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RS800 Video Library

Printed From: Yachts and Yachting Online
Category: Dinghy classes
Forum Name: Technique
Forum Discription: 'How to' section for dinghy questions and answers
URL: http://www.yachtsandyachting.com/forum/forum_posts.asp?TID=12957
Printed Date: 20 Aug 19 at 1:41pm
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Topic: RS800 Video Library
Posted By: mozzy
Subject: RS800 Video Library
Date Posted: 15 Jan 18 at 2:30pm
Thought I'd learn some new skills in 2018... so sailing an 800 will be one, but also trying to learn how to use video editing software.

Anyway; here's the first product of both! Pretty average on each account but hopefully I'll get better!

Comments, questions or tips very welcome, on sailing or editing!

[TUBE]kXwd2f25FXU[/TUBE]


http://https://youtu.be/kXwd2f25FXU" rel="nofollow - Skiff Gybe: Step by Step

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https://www.youtube.com/user/656mozzy/" rel="nofollow - YouTube Channel
RS800 1144



Replies:
Posted By: Ardea
Date Posted: 17 Jan 18 at 12:45pm
Always good to see clear guides and analysis of manoeuvres.  I'd say there's not enough videos demonstrating good technique.


Posted By: mozzy
Date Posted: 26 Feb 18 at 7:27am
Another one... no talking this time, just a quick few shots of an empty Chichester Harbour from Sunday.

[TUBE]https://www.youtube.com/watch?v=fy93dLizvTA[/TUBE]


Posted By: mozzy
Date Posted: 05 Mar 18 at 11:32am
Less wind than last week, struggling to build power a lot of the time. A little warmer though!

Trying out two camera's, with the old GoPro on the boom and Yi Lite Action Camera on the rack / head.

[TUBE]https://www.youtube.com/watch?v=Wob1dPvtixU[/TUBE]


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https://www.youtube.com/user/656mozzy/" rel="nofollow - YouTube Channel
RS800 1144


Posted By: Daniel Holman
Date Posted: 05 Mar 18 at 11:58am
Very smooth.
Quick question - during gybes, does helm route mainsheet sheet behind wire before initiating, or does he just drop it when letting go of "old" trap handle and grab off the ratchet when passing under boom before doing hand swap? Whats the "official" way thats taught to kids in 29er / 49er?
Dan


Posted By: jaydub
Date Posted: 05 Mar 18 at 12:02pm
What a nice polite vid, at least until the end. ;)


Posted By: mozzy
Date Posted: 05 Mar 18 at 12:28pm
Originally posted by Daniel Holman

Very smooth.
Quick question - during gybes, does helm route mainsheet sheet behind wire before initiating, or does he just drop it when letting go of "old" trap handle and grab off the ratchet when passing under boom before doing hand swap? Whats the "official" way thats taught to kids in 29er / 49er?
Dan
In the 29er the helm doesn't have the issue, so the technique was to send the single extension through the gybe underneath the main sheet. 

In the 49er I was never really coached, so my technique was 'home taught'! I would often hold the main sheet behind the wire and sheet that way downwind so it was always the right side of the wire but  sometimes (mostly light) I would passed the sheet around the wire on the entry to the gybe. Not sure which is better "textbook" technique, maybe the latter?  

In the 800 I'm trying to just do it by passing the sheet around the wire, as it's more comfortable sheeting that way and means you're always ready to gybe. I still drop the sheet every now and then, or leave it wrapped round the old wire!

I've seen some people drop the sheet as they step in, then pick it up again from the block as they pull the boom over. I'd rather always have the sheet in my hand though. 


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https://www.youtube.com/user/656mozzy/" rel="nofollow - YouTube Channel
RS800 1144


Posted By: Daniel Holman
Date Posted: 05 Mar 18 at 12:52pm
Thats some comfort to me - pretty much how I deal with it, its minging holding sheet behind wire and I don't like not being immediately ready, but it makes for a cleaner gybe, 


Posted By: mozzy
Date Posted: 10 Mar 18 at 11:17pm
I'm not sure about you, but for me the first evening sail of the year is a most significant mark of spring; more than the changing of the clocks, the equinox, or whatever the meteorological definition is anyway!

Here's a little video to mark the first evening sail of 2018. Unfortunately, Bosley the dog doesn't have a buoyancy aid yet, so he'll have to wait.

Evening racing doesn't start for well over another month though, and I doubt work will allow me an early get away again, so maybe this was a premature blooming! 

When does evening sailing start for the rest of you?

[TUBE]https://www.youtube.com/watch?v=XkuVz4g_pb4[/TUBE]




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https://www.youtube.com/user/656mozzy/" rel="nofollow - YouTube Channel
RS800 1144


Posted By: cad99uk
Date Posted: 11 Mar 18 at 9:25am
Very nice indeed. Hope you get more evening sails.

Must get my 800 out soon. Or will it be the 29er?


Posted By: Oli
Date Posted: 11 Mar 18 at 10:09pm
great vids Mozzy, keep them coming, we're starting to get back into sailing here in Essex, next weekend we'll be having our first get the skiffs on the river together session at Blackwater SC with some 49ers and RS800s, i will have to get the cameras dusted off.  check out some of my https://www.youtube.com/ojsphotography" rel="nofollow - videos  

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https://www.facebook.com/OJSPhoto" rel="nofollow - OJSPhotography
https://www.youtube.com/ojsphotography/" rel="nofollow - YouTube Channel
RS800 868
Marconi SC


Posted By: mozzy
Date Posted: 12 Mar 18 at 10:35am
Thanks!

Took a look at some of your videos, I think I had seen a few before when browsing the inter-webs! Following you on YouTube now, so will look forward to some videos once you get out in Essex. 

We were out again at the weekend. A friend had a drone out too, so hopefully got some good footage... unfortunately we also did some inspection on the underside of hull which was caught tin full 4k HD from the drone Embarrassed

That'll probably be our last sail until our first event next month. Looking forward to doing some  racing and seeing how fair against others when under pressure. It feels like we're still some way to being really competitive so I expect a bit of reality check! 


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https://www.youtube.com/user/656mozzy/" rel="nofollow - YouTube Channel
RS800 1144


Posted By: Oli
Date Posted: 12 Mar 18 at 12:27pm
thanks for the follow!

i try for hull inspection to be on dry land, never turns out that way!

are you actively on the 800 circuit? A couple of boats at our clubs way will be doing the RS games i believe, we're focusing more on local events this year to help build the skiff fleets up on the river.  The take up the last couple of years has been phenomenal and we want to keep that momentum up.  You'd be most welcome to come along for the East Coast Piers Race in the 800, we had 4 last year, we had a really close race out with all 4 boats reaching the leeward mark after 14 miles within 30 seconds of each other, and hope to get half a dozen at least this year along with the 49ers / Musto Skiffs and RS600s.


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https://www.facebook.com/OJSPhoto" rel="nofollow - OJSPhotography
https://www.youtube.com/ojsphotography/" rel="nofollow - YouTube Channel
RS800 868
Marconi SC


Posted By: mozzy
Date Posted: 12 Mar 18 at 4:02pm
We've not been actively doing the circuit, we only got the boat in November. But we do plan to make some events this year, depending on work commitments. Hopefully we'll make it to Euro's or the Nationals. 

When is the piers race? 


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https://www.youtube.com/user/656mozzy/" rel="nofollow - YouTube Channel
RS800 1144


Posted By: Oli
Date Posted: 14 Mar 18 at 12:47pm
Piers race is the weekend of 7/8 july.

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https://www.facebook.com/OJSPhoto" rel="nofollow - OJSPhotography
https://www.youtube.com/ojsphotography/" rel="nofollow - YouTube Channel
RS800 868
Marconi SC


Posted By: mozzy
Date Posted: 25 Apr 18 at 8:40am
Difficult evening sail, first time in over 20 knots. Unfortunately the jib tack broke before we got a chance to put in any decent manoeuvres, but I thought it only fair to share the rubbish sailing I do as well as the highlights where it all goes perfect!

Enjoy a bit of mozzy swimming LOL

[TUBE]https://www.youtube.com/watch?v=x1o6OWJK5Cc[/TUBE]


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https://www.youtube.com/user/656mozzy/" rel="nofollow - YouTube Channel
RS800 1144


Posted By: mozzy
Date Posted: 15 May 18 at 9:12am
It's nice when a sea breeze actually works. We bailed from the Datchet open as we had a few gluing and epoxying jobs to do for which the shed is great at HISC (a lot of rain on Saturday). Thank fully we were rewarded with a great sea breeze on Sunday. So often we sit on the beach speculating about when and if the sea breeze will happen, but when it comes in like the text book and build to 15 knots it's a real treat. 

https://www.youtube.com/watch?v=bjwY_RbgsI0" rel="nofollow - Hayling Bay Sea Breeze
[TUBE]https://www.youtube.com/watch?v=bjwY_RbgsI0[/TUBE]



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https://www.youtube.com/user/656mozzy/" rel="nofollow - YouTube Channel
RS800 1144


Posted By: 423zero
Date Posted: 15 May 18 at 8:22pm
Nice vid's.
Is your rudder self centering ?


Posted By: mozzy
Date Posted: 16 May 18 at 7:03am
It's a lifting rudder, so the line I think you can see is what pulls the rudder down. It's not self-centering though. 

At speed it does naturally follow the heel though, so if the boat is flat and you drop the tiller, it will keep centred as long as the boat is flat. 


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https://www.youtube.com/user/656mozzy/" rel="nofollow - YouTube Channel
RS800 1144


Posted By: mozzy
Date Posted: 27 May 18 at 9:42pm
Not really 800 sailing, but it is an RS...

HISC Whitsun Regatta. Great weekend and the club went to great efforts to lay on a superb event. One for the 2019 diaries! This is from the third race on Saturday which got a bit lively! 
[TUBE]https://www.youtube.com/watch?v=leBjSXOsjKU[/TUBE]

https://vrsport.tv/vr-media/whitsun-regatta-2018-hayling-island-day-one" rel="nofollow - And this is how the pro's do it... thanks to VR Sport


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https://www.youtube.com/user/656mozzy/" rel="nofollow - YouTube Channel
RS800 1144


Posted By: mozzy
Date Posted: 12 Jun 18 at 10:12am
Very short video with comparison of two 'hooking on' styles. Plus some close up of sheet work around the trap handle on entry. 
[TUBE]https://www.youtube.com/watch?v=B8d3ZK2DbIk[/TUBE]


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https://www.youtube.com/user/656mozzy/" rel="nofollow - YouTube Channel
RS800 1144


Posted By: Hengest
Date Posted: 12 Jun 18 at 8:15pm
Quick question, what are you using for editing software?


Posted By: mozzy
Date Posted: 12 Jun 18 at 9:03pm
Davinci Resolve. 

It's way too powerful for what I'm doing really, but I fancied learning to use some software, and it's free!

Shotcut I played around with and does most of what I'd need. 


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https://www.youtube.com/user/656mozzy/" rel="nofollow - YouTube Channel
RS800 1144


Posted By: Hengest
Date Posted: 13 Jun 18 at 12:07pm
Thanks, I'm looking to edit some of my RS600 videos,

Hopefully I'll be able to find a tack that starts ok, and one that ends ok. Glue them together for a complete tack :-)


Posted By: mozzy
Date Posted: 20 Jun 18 at 4:18pm
POV video from last night. After a relatively windless May, the last couple of weeks in June have really delivered. 

[TUBE]DDEyyW3UgMg[/TUBE]


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https://www.youtube.com/user/656mozzy/" rel="nofollow - YouTube Channel
RS800 1144


Posted By: mozzy
Date Posted: 10 Aug 18 at 10:37am
Raw footage of some breeze back in June, warts and all. Not enough angles to make into a decent video, but the rack mounting is kinda interesting view. 

[TUBE]https://www.youtube.com/watch?v=Q-9RoWNxeDU[/TUBE]


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https://www.youtube.com/user/656mozzy/" rel="nofollow - YouTube Channel
RS800 1144


Posted By: mozzy
Date Posted: 27 Aug 18 at 8:57pm
Volunteered myself to do a few videos showing how we got our ten year old RS800 in to championship shape. 

Here's the first: [TUBE]https://youtu.be/MWpuwNrlZ1w[/TUBE]



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https://www.youtube.com/user/656mozzy/" rel="nofollow - YouTube Channel
RS800 1144


Posted By: dohertpk
Date Posted: 28 Aug 18 at 8:47am
Great stuff. Thinking of picking one up at some stage to complement the Musto. Looking forward to the next video.


Posted By: mozzy
Date Posted: 10 Sep 18 at 11:53am
Sorting out the off boom sheeting with elastic take up, variable system length and single splice adjustable strops. 

The RS800 off boom sheeting came in in 2017. It really makes the boat for us, however, there are some things you need to get right for the system to work well. 

1) It must be 3:1, which requires quite a long sheet. This can get washed out of the boat, which at beast is irritating, but as worst cause capsizes when you can't ease the sheet. An effective elastic take up solves this issue.
2) Split strops aren't allowed. So the sheet must terminate on the block at the bridle.  This means strop height is critical to getting the boom centred and the leech tight. We have a single adjustable splice which alters both sides together, making quick changes possible and always keeps the bridle centred. 
3) Tie the jib sheet to the main sheet with a clove hitch around a bite in the mainsheet. This is secure knot, but can be slipped along the mainsheet easily. Moving the knot toward the end of the mainsheet lengthens the system. 

[TUBE]https://youtu.be/rnXuOOfzbHY[/TUBE]


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RS800 1144


Posted By: mozzy
Date Posted: 24 Sep 18 at 2:41pm
We got out yesterday despite the weather warnings. Forecast was coming down all the time in the second half of last week, so it looked do-able, but could get challenging if we got caught in the back end of the rain.  

We got an extra coffee at the club, as the wind had increased sharply from 15 to 20+ knots and we wondered if it would continue building on that trend. But after 30 minutes of discussing which WindGuru model was correct it seemed to have stabilised around 20 knots. Plus the rain had stopped so we rigged to go out. Club racing was still on although only a couple of solos chose to go out. We didn't race, but just went for a sail up and down enjoying the near full tide in the harbour. 

The trickiest bit was just next to the club, with a strong incoming tide meeting the fresh northerly it kicked up quite a chop. But we sailed through that and did a few windward-leeward laps over Pilsey Sands to the south of Thorney island in mostly flat water. 

The boat handling was fairly ropy as I was trying a new gybing technique, plus we'd moved where my trapeze lines are routed to... probably not ideal to be changing things up in this weather, but it was our last sail before the inlands and I was keen to test it all out.   

Anyway, we got out and back with no capsizes or breakages, and a relatively controlled return to the leeward shore by dropping our main. Just as we were de-rigging it got really fresh and they 40 knots on the race box! Glad we missed that.

Short but sweet clip, enjoy! 
[TUBE]https://www.youtube.com/watch?v=KifxocJkMWk[/TUBE]


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https://www.youtube.com/user/656mozzy/" rel="nofollow - YouTube Channel
RS800 1144


Posted By: whacko!
Date Posted: 25 Sep 18 at 5:45pm


Posted By: whacko!
Date Posted: 25 Sep 18 at 5:48pm
"only a couple of solos chose to go out" 

....... and I understand only one returned with a serviceable mast!

Well done for going out; the Fireballs debated it long and hard and then even longer still until we realised we were out of time and were going to miss the start anyway.




Posted By: mozzy
Date Posted: 26 Sep 18 at 10:00am
Yeah, think there was a bent mast after bumping it on the winner. 

It was perfect Fireball weather! Outside the main channels was pretty manageable. 

I actually think it would have been a cracking sail just after mid day. The squall blew through revealing perfect blue skies and 20 knots. Plus the tide changed which flattened the chop right off that was just in front of the club house. 

Photo from the race box anemometer just after we got ashore



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https://www.youtube.com/user/656mozzy/" rel="nofollow - YouTube Channel
RS800 1144


Posted By: mozzy
Date Posted: 23 Oct 18 at 9:46am
Something about this just seems quite satisfying to watch...

Charging down the harbour with just a few other boats out end up on a converging course with a solo. First we try to push it high, but eventually have to drop. 

Just after the drop the crew comes out and takes the main, just as a gust hits. The very small amount of leeward heel, and that the main is at the end of it's run and tight n the take up elastic means the rudder loads up and breaks free. Quite interesting to see the amount of fine spray it kicks up and how much the stern of the boat slides sideways. 

Luckily the main gets dropped pretty quick and with not kick screwing up into the breeze de-powers us... would have been a different result with kite up. 

[TUBE]https://youtu.be/9T5p59-iFIY[/TUBE]




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https://www.youtube.com/user/656mozzy/" rel="nofollow - YouTube Channel
RS800 1144


Posted By: mozzy
Date Posted: 07 Nov 18 at 10:13am
This tips video is super simple, but massively effective. I think it would probably be pretty relevant to any boat which uses a lot of downhaul and has a mast track and bolt rope. 

Downhaul / Cunningham is critical in RS800s in anything over 15 knots and once above 20 knots you will want to be cranking it on as hard as you can. The difficulty is that the standard 2x2x2 (8:1) cascade struggles for range and friction in the system and bolt rope leaves many sailing downwind with tension still in the system, de-powering the main when max power is needed!

This is the third in a series covering the simple improvements and renovations we made to 1144 to make get her systems working smooth and reliable.

This video covers:
- Take- up elastics
- Getting 8:1 with maximum range 
- Release elastic

Comment if there is anything else you'd like to know!


[TUBE]https://youtu.be/9YlvpAZpS84[/TUBE]


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RS800 1144


Posted By: mozzy
Date Posted: 13 Nov 18 at 6:09am
Longer video, with a bit of split view this week. 

Trialling out new trapeze elastic routing for myself, with the aim to have the wires a little further out to make them easier to grab as I launch myself over the side!

Also trying a new gybing technique when I got out on the handle rather than hooking in to the hoop then taking up the slack as I got out. When the wires are low it seems a lot easier to grab for the handle rather than reach down to the hoop. The downside is you have to wait for the crew to hook you on. 

Going to try lower trapeze handles in the coming weeks and maybe a short distance between handle and hoop will make hooking on possible by myself even at the back of the rack.

Anyway, hope that's of some interest to you, well done if you made it all the way through to the end!

[TUBE]https://youtu.be/k9mLvyIh5PU[/TUBE]


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RS800 1144


Posted By: E.J.
Date Posted: 13 Nov 18 at 8:01am
Would you be allowed to used a tack stick on the 800? it seems like that would allow you to grab the handle but still hook yourself on.

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Reach For The Pies.


Posted By: mozzy
Date Posted: 13 Nov 18 at 8:29am
Rules are a bit silent on trapeze wires... so that's possibly a no, but people do use different things. Are tacking sticks the tubes that at from handke to hoop?

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RS800 1144


Posted By: E.J.
Date Posted: 13 Nov 18 at 9:13am
Yes, we use them in Contenders to grab on and then hook on once on the side. It takes seconds off the tack, has the added advantage of the ring always being the same distance from the handle.

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Reach For The Pies.


Posted By: mozzy
Date Posted: 19 Nov 18 at 10:50am
Got out this Saturday, less breeze than we expected, but still solid twin wiring. 

Neap tides and wind with tide, so nice flat water and another 800 out to sail against. It was pretty much a perfect autumn sail until the last 5 minute when first I got body dragged and bruised my shins, then on the next mark rounding we over shot the channel mark and hit the bank... hard! 

[TUBE]https://youtu.be/TdS6W12aok8[/TUBE]


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https://www.youtube.com/user/656mozzy/" rel="nofollow - YouTube Channel
RS800 1144


Posted By: 423zero
Date Posted: 19 Nov 18 at 1:12pm
First glance it looks like a octopus has got you looks like the cover of a thriller novel


Posted By: Sam.Spoons
Date Posted: 19 Nov 18 at 1:41pm
Obviously a Sam Llewellin.....

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Spice 346 "Flat Broke"
Blaze 671 "supersonic soap dish"


Posted By: Gordon 1430
Date Posted: 19 Nov 18 at 2:21pm
Mozzy
That looked like it could have been expensive. Dagger boards and case to repair?
Much better wind than we had at Lee on Solent its so shifty in a NE like the weekend.



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Gordon
Phantom 1430


Posted By: mozzy
Date Posted: 19 Nov 18 at 3:05pm
Originally posted by Gordon 1430

Mozzy
That looked like it could have been expensive. Dagger boards and case to repair?
Much better wind than we had at Lee on Solent its so shifty in a NE like the weekend.

Luckily we were just entering a tack and slowing down as we hit. It also meant our weight was off the wire and most the energy was lost as we were flung forward. 

The crew sustained some damage to his thumb which ended the sail, but we were getting pretty knackered by then anyway. 

There is a chunk out the back of the foil, but the case looks okay. This same chunk has broken out a few times, and seems to act a sacrificial part in each of our episodes with the bottom, breaking off before more expensive damage is made to the hull.  

There are little rubber bumpers front and back of the case to absorb and spread some of the energy which help. But despite that there have been two 800s who have put boards through the back of casing this past year, so we're very lucky!


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RS800 1144


Posted By: mozzy
Date Posted: 28 Nov 18 at 1:15pm
A grey November day in Chichester Harbour. Constant drizzle, but fortunately more breeze than the forecast of 10 knots, which made the sail a lot more fun. Full tide in the harbour too, so plenty of room. By the time we came in the tide was really ripping out though.

We were trialling new trapeze lines with greater range.  They can now be be lowered even further when it's windy. This brings the handles closer in reach, especially downwind. However, getting in and out is a bit more physical, but after a days sailing we are starting to get a feel for it. 

Unfortunately our kicker broke, snapping a shackle at the mast base about 20 minutes in. We limped back to the beach and managed to steal a replacement off the RS200 to get us back out on the water. We don't seem to have much luck with breakages recently!

[TUBE]https://youtu.be/A3xxqQlTl4U[/TUBE]


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https://www.youtube.com/user/656mozzy/" rel="nofollow - YouTube Channel
RS800 1144


Posted By: 423zero
Date Posted: 28 Nov 18 at 6:54pm
Metal fatigue ?
You seem to have good wind down south, we have had a poor wind year.


Posted By: mozzy
Date Posted: 29 Nov 18 at 10:20am
The kicker shackles to the mast step plate, which is abut 2-3mm thick. The shackle pin sheared off leaving the threaded end still screwed in to the shackle.  The broken pin end flew off, and is now in the harbour.  

I think over time pin must have worn a grove in it from the metal plate and just snapped there. We had a look at the plate itself and that seems fine. Tried to tie it up with some dynema on the water but the sharp edges cut through it in seconds. 

The wind from May-July wasn't great, but the hot weather produced some decent sea breezes at Hayling, but we didn't have anything over 10 knots at any opens. But since August it's been pretty great. Forecast for big winds this weekend, hopefully it will moderate. 


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https://www.youtube.com/user/656mozzy/" rel="nofollow - YouTube Channel
RS800 1144


Posted By: mozzy
Date Posted: 04 Dec 18 at 4:51pm
I found out you can sync GPS data to footage using Garmin's Virb Edit free software without having to have a Garmin Virb camera... so here's last Sunday's sail with some metrics overlaid. I think it's quite cool.  

I did a breakdown of a few a manoeuvres plus some other 'interesting' parts of what was quite a breezy sail. 

I'm quite happy with how the data came out. I know from cycling that using GPS for speed can lead to speeds jumping about a bit. But with this units GONLASS addition it seems pretty good for the purposes here. I was also surprised at how steady the bearings for heading are. Allowing for tide it should give a pretty good idea of shifts and mode changes (coupled with speed). 

I'm hoping in the future with the audio from a head camera, plus a second camera on the boom, plus an inserted overlay chart with the track on top it should give a pretty good insight to review races. Shifts and gusts, listening back to tactical discussions, seeing where we were on the course etc. 

[TUBE]https://youtu.be/9ZY0xmdDpqg[/TUBE]


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RS800 1144


Posted By: 423zero
Date Posted: 04 Dec 18 at 8:14pm
Looks good, would it be possible to put a live wind direction arrow on ?
Can't help thinking a self centreing rudder would help in some of the rushed manouvers.


Posted By: mozzy
Date Posted: 05 Dec 18 at 9:54am
There's some wind data I could get from camber met, and insert in to the GPX file... I think I just need to name the fields correctly in the file and edit software should recognise it (I've seen a few youtube video of yachts displaying this from Garmin). 

The thing is, that's true wind speed and direction on top of a mast, at 5 minute intervals, so I'm not sure how relevant it will be to me second by second speed and heading. The yachts with show this have on board sensors which we don't have. 

The last couple of sails we've taken out some elastic to put around the tiller, Moth style. But it's been too windy to risk trialling it. When we get 10 knots I want to give it a go.


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RS800 1144


Posted By: Daniel Holman
Date Posted: 05 Dec 18 at 5:18pm
Nice work, higher speeds than Iíd expect from an 800 as well. High hr presumably from crew assume you were doing right courses.
Keep it up!


Posted By: mozzy
Date Posted: 05 Dec 18 at 5:23pm
HR is mine! I have the flu so it's a bit high. Never measured it on a boat before and surprised at how high it was! 

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RS800 1144


Posted By: Daniel Holman
Date Posted: 05 Dec 18 at 5:26pm
I meant to say tight courses.


Posted By: Daniel Holman
Date Posted: 05 Dec 18 at 5:27pm
Bloody hell! 180 out of a helm of a trap boat!
Reckon you shouldíve been wrapped up in bed 😀


Posted By: mozzy
Date Posted: 05 Dec 18 at 5:32pm
Been off work last two days! I was pretty spent after one lap. Was low tide so we were pinging back and forth off the banks, never much more than 30 seconds before a tack or gybe. Makes it look like I'm putting some effort in though!

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RS800 1144


Posted By: Daniel Holman
Date Posted: 05 Dec 18 at 5:46pm
Fair play recon Iíd struggle to hit 180 in my old age even running away from a lion.
Proper workout!


Posted By: iGRF
Date Posted: 05 Dec 18 at 6:28pm
Originally posted by Daniel Holman

Fair play recon Iíd struggle to hit 180 in my old age!


1st.. Can I be so bold as to point out the defition of old in relation to human lifespan and that you're probably only a third of the way there.

2nd 180? Even I don't reach that going anaerobic uphill on my mountain bike, he's clearly very sick, and not just mentally..

Nice work though, always fancied an RS800, had a go once but purely a beat home.

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Posted By: mozzy
Date Posted: 05 Dec 18 at 6:49pm
Well, max for the sail was 193. Cycling I can get up to high 190s, but the more fatigued I m the max comes down a little. Probably a little unfit compared to a year ago, plus being unwell might have added as much as 10 or 20. But it was a pretty tough sail with quite a few manoeuvres, but I've not worn it before, so don't have much to compare to.

I'll put the monitor on again next time, it'll be interesting to see if it's always that high. 

https://www.strava.com/activities/1996244468/analysis" rel="nofollow - https://www.strava.com/activities/1996244468/analysis


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RS800 1144


Posted By: Wee Man
Date Posted: 06 Dec 18 at 11:20am
Loving these videos & the extra data makes it more fun.
I'm going to start wearing HR monitor next year crewing an F18...reckon that'll be quite high.

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Nacra Infusion F18


Posted By: mozzy
Date Posted: 06 Dec 18 at 11:21am
Had a little play around with the analytics graphics and worked out how to export in MP4 from my editing software to the Gamrin Software. The upshot is I can get an semi-transparent map insert underneath the GPS track. I think the data is a little clearer like this also. 

Ignoring the content, I just synced up the first few minutes of footage for the sake of an example, what do you think about the overlay? Do you think they'd help build more of a picture for race footage? 

[TUBE]https://www.youtube.com/watch?v=Xz2UXFDHgN0[/TUBE]


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RS800 1144


Posted By: iGRF
Date Posted: 06 Dec 18 at 12:28pm
Originally posted by Wee Man

Loving these videos & the extra data makes it more fun.
I'm going to start wearing HR monitor next year crewing an F18...reckon that'll be quite high.


I'd love to know what mine was last week in a bit of a breeze, can't say it's something I've ever considered sailing, only reason I notice it on the bike is my apple watch goes mental sometimes and starts clicking my wrist on over-haptic!. That's never happened on the water.

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Posted By: Oli
Date Posted: 06 Dec 18 at 12:28pm
looking good mozzy, what equipment are you currently running? cameras and software etc?

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RS800 868
Marconi SC


Posted By: mozzy
Date Posted: 06 Dec 18 at 1:50pm
Boom
Old GoPro 960. Shooting 960p 30fps. Use this on the boom as it has the best wide angle and I can crop top and bottom back to 720p in post and correct the framing. It would be nice to get a newer Gopro here with stabilisation and an extreme wide angle lens. Also the 30 fps isn't great for slow mo, so something with a higher frame rate would be better. 

Head / compass bracket
Yi Lite Action Camera. Shooting in 1080p and 60fps. Picture quality is lots better than the go-pro, but it's loads newer. It has some electronic stabilisation, but I don't use it as it gives the video a jelly look. I find 60 fps is pretty good as it gives you the option for slomo in edit. Ideally you'd shoot in 30fps to get a smoother image for real time playback, but it doesn't give you any slomo option. 

Editing
Davinci Resolve 15, just the free version. Playback in the timeline is slow which is frustrating, mostly down to my slow laptop. But I quite like playing around with the colour which it's amazing at. The other downside is I often get glitches in my editing which are hard to detect in the stuttering playback in the software, so it's only after rendering for hours that you realise!

Overlay
Garmin VIRB Edit. It' rubbish editing software, but it's free and you can use any MP4 file coupled with any GPX or FIT file. You have to Sync up the footage manually, which can be pain, as the Yi has ten minute clip lengths, so if you want to sync the whole sail you have to do it ten times! 

The first video I brought raw footage into VIRB and synced it, then rendered the whole load. The plus side of this was that you had your whole video overlaid which you could then bring in to Resolve to edit. The downside is the time in take to bring in sync and export all that footage, much of which gets edited out anyway! 

The second video I did the edit and colour in resolve, exported to MP4, then overlaid in VIRB. This is less rendering time, but the downside is all your edits need to be locked in, and you can't do any slomo before. You can have the map overlay underneath the GPS track though, which I really like. 

I'll probably end up with some hybrid workflow where I do some prelim editing in resolve, overlay in VIRB, then add some final speed ramping and cuts in resolve after. It'll be a lot of rendering though and might lose some image quality through compression with each render. 



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RS800 1144


Posted By: Sam.Spoons
Date Posted: 06 Dec 18 at 2:02pm
Very good footage mozzy, having done a (very) small amount of basic video editing I envy your knowledge and patience Thumbs Up audio is much easier......

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Blaze 671 "supersonic soap dish"


Posted By: 423zero
Date Posted: 06 Dec 18 at 6:09pm
Very good videos Mozzy, I always try to comment to show appreciation of your useful work, keep up the good work.


Posted By: mozzy
Date Posted: 19 Dec 18 at 1:42pm
Forgot to press start on the GPS, so no fancy overlay this week I am sorry! So, that will have to wait until next week and Christmas Cracker, but I feel the overlay is probably more interesting in a race scenario anyway. 

But, I thought I'd do something a little different with a talk through of our sail including a few manoeuvres. 

Wind was very pleasant 10 knots aligned with the current in the main channel, so nice flat water.

[TUBE]Lros5sRyAZQ[/TUBE]


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RS800 1144


Posted By: mozzy
Date Posted: 29 Dec 18 at 10:25am
Merry Christmas from the HISC Xmas cracker!

Unfortunately our launch line broke, meaning 3 minutes of frustratingly tying it back in the bow whilst two sailing down wind! Still a perfect course and breeze for skiffs and really run race!

[TUBE]https://youtu.be/aI720_uGuY4[/TUBE]


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Posted By: Daniel Holman
Date Posted: 29 Dec 18 at 4:09pm
Nice vid! It was a cracking race. Spring highs made the 3 sailers over the shallows a touch less twitchy!
We did a wrong course just out of the start and had to drop and sail back to n winner.
Between that and your pole issue we could both have been pretty close to that 29er.
That said it looked like it was being sailed very slickly. And enough breeze for it to light up.


Posted By: Oli
Date Posted: 29 Dec 18 at 4:15pm
who was wearing the heart monitor Mozzy?

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Marconi SC


Posted By: mozzy
Date Posted: 29 Dec 18 at 5:50pm
Oli, HR was on me again, with no flu to blame the high HR on... sailing must be pretty decent work out after all! 

The 29er boys are pretty good, won their last circuit event comprehensively. 

The 800 and I14 seem to hold pretty similar speed downwind (give or take a knot or two), but you guys have such deep gybing angles it was insane! Were you crewing for the day?


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RS800 1144


Posted By: 423zero
Date Posted: 29 Dec 18 at 7:56pm
Mozzy what's your resting heart rate ?
Nice video again.


Posted By: mozzy
Date Posted: 29 Dec 18 at 8:12pm
40-50 

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Posted By: 423zero
Date Posted: 29 Dec 18 at 8:37pm
That's good Smile you are very fit, was concerned you were running at 100% of your recommended BPM Thumbs Up


Posted By: Sam.Spoons
Date Posted: 29 Dec 18 at 9:04pm
How do you calculate max BPM? I understand it should be 220 minus your age?

A resting heart rate of 40-50 is, indeed, impressive, top flight endurance athletes like Bradley Wiggins have a RHR of around 40 BPM (though Miguel Indurain reputedly measured at 28 BPM). For comparison, us ordinary mortals usually come in at between 60 and 70 BPM resting


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Blaze 671 "supersonic soap dish"


Posted By: mozzy
Date Posted: 29 Dec 18 at 9:35pm
Max heart rate should never be calculated, it should be measured as it is totally personal. It might generally decline with age, but anyone actual max won't align with that formula beyond chance. Mine has always been around 190-200 depending on how fatigued I am. I've never seen any correlation between my fitness and my max heart rate. 

Typically if you sign up to a (rubbish) gym they will do some max HR calculation from your age then set you training zones for cardio... but it's not worth the paper it's written on and could even be dangerous, yet you see this calculation often repeated. 

Resting heart rate varies. If I measure it first thing in the morning laying down it's usually in the high 30's (but I've measured 28!). Typically sat down middle of the day, relaxed it will be somewhere between 40 and 50.

I am surprised though how high it is sailing. I don't perceive it to be as hard as cycling. However, sailing you have a lot of other things to focus on beyond how hard you're working. 

I do know I can hold a pretty high HR for a long time... https://www.strava.com/activities/1019388069" rel="nofollow - 182 for 2.5 hours in a road race  -  https://www.strava.com/activities/1063496392" rel="nofollow - 176 for 50 miles, TT effort  - https://www.strava.com/activities/1075716171" rel="nofollow - 171 for 100 miles . So the https://www.strava.com/activities/2032735318" rel="nofollow - 164 average for 1hr15 in the pursuit, whilst higher than I thought, is still some way off a 'race' effort. More like a hard-ish training ride. 


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RS800 1144


Posted By: Sam.Spoons
Date Posted: 29 Dec 18 at 9:46pm
By max BPM in this context I mean what is a safe max when exercising. I'm 65 and have a slight heart abnormality (which is been monitored and has not been getting worse over the last 10 years). I had an episode of AV a few years ago during a pretty intense light wind Raceboard which was pretty frightening so I'm a little conscious of not overdoing it these days. 

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Spice 346 "Flat Broke"
Blaze 671 "supersonic soap dish"


Posted By: mozzy
Date Posted: 29 Dec 18 at 9:53pm
Mmm in that case, I'd be speaking to your doctor... but 220 minus your age will not give a max, or safe working limit, or anything at all useful to an individual in anyway. 

I'd run a mile from any trainer or even worse health professional who quoted a 'safe' or 'max' heart rate from a formula based on age... but i'd run slowly... just to be safe :)  


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RS800 1144


Posted By: NickM99
Date Posted: 29 Dec 18 at 10:46pm
Mozzy, so how have you worked out what is "safe" for you?  I am curious to know how  anybody can work out what is "safe" for them individually if they don't take advice from gym trainers etc?


Posted By: 423zero
Date Posted: 29 Dec 18 at 10:57pm
You can't work it out You just get on with it.


Posted By: mozzy
Date Posted: 29 Dec 18 at 11:23pm
There is no safe heart rate. Max is just the highest you can get your heart to beat. You find out your max by working as hard as you can til you can't anymore, and that's the max. Your heart doesn't explode if it hits max. It's not some deadly limit.  You just get exhausted pretty quick and it drops. 

Stressing your heart over time will be bad for it... but so is not stressing it at all. If you have a condition, working your heart harder may put you in danger, a doctor may be able to advise... but if they give you a number using a 'max heart rate' guess scale then, I'd get a different doctor. I doubt many people who have heart attacks were at 'max' when it happens. 




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RS800 1144


Posted By: Daniel Holman
Date Posted: 29 Dec 18 at 11:49pm
Originally posted by mozzy

Oli, HR was on me again, with no flu to blame the high HR on... sailing must be pretty decent work out after all!†
The 29er boys are pretty good, won their last circuit event comprehensively.†
The 800 and I14 seem to hold pretty similar speed downwind (give or take a knot or two), but you guys have such deep gybing angles it was insane! Were you crewing for the day?

Alex Knight was crewing me he entered by phone so it was a bit wrong.
Yes in that weather similar speeds but reckon 5 or more degrees deeper. In less wind we may be faster.
Deffo faster upwind by a knot or so once powered.


Posted By: mozzy
Date Posted: 30 Dec 18 at 12:06am
It would be interesting to compare distance sailed and speed, upwind and down. 

The 14 is quite narrow for it's sail area, which I guess is why bigger crews are favoured. 

The 800 is over leveraged downwind up to the high teens. With it's fractional kite it easy to push to hard and stall the kite. It still pays to push hard for the VMG, but you have to be careful.

Do you reckon the I14 would be faster downwind with a smaller kite above a certain wind strength? Do you ever get that point where it's too powerful to get flow over it, jib backing? 


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RS800 1144


Posted By: Sam.Spoons
Date Posted: 30 Dec 18 at 12:23am
Originally posted by mozzy

Mmm in that case, I'd be speaking to your doctor... but 220 minus your age will not give a max, or safe working limit, or anything at all useful to an individual in anyway. 

I'd run a mile from any trainer or even worse health professional who quoted a 'safe' or 'max' heart rate from a formula based on age... but i'd run slowly... just to be safe :)  

GP is on it and while I have a couple of issues I've been passed as pretty fit and healthy for my age (my EF of 65% is in the upper half of the normal range). I will probably refrain from doing anything too full on unless I have built up to it again (I used to race Raceboards and ride mountain bikes hard but have not done the same intensity exercise for a few years).

IIRC I read about the "220 minus your age" figure either on t'net (so it must be true Wink) or in a mountain bike mag or some such. I have never troubled 'personal trainers' with my time or my money..........


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Blaze 671 "supersonic soap dish"


Posted By: Daniel Holman
Date Posted: 30 Dec 18 at 9:45am
Originally posted by mozzy

It would be interesting to compare distance sailed and speed, upwind and down.†
The 14 is quite narrow for it's sail area, which I guess is why bigger crews are favoured.†
The 800 is over leveraged downwind up to the high teens. With it's fractional kite it easy to push to hard and stall the kite. It still pays to push hard for the VMG, but you have to be careful.
Do you reckon the I14 would be faster downwind with a smaller kite above a certain wind strength? Do you ever get that point where it's too powerful to get flow over it, jib backing?†

Yes shame I donít use the pro start these days that would probs store the info. In 15 kt flat water I would expect 11-12 kts upwind at 100 deg give or take a few degrees upwind. Downwind maybe 15 or 16 kts not sure of gybeing angle maybe 80deg varying massively with wind strength. You canít rally lean on the kite too hard but at 35m2 itís nearly twice size of 800 kite I think.
Yep only 6í wide so a bit tender but tuneable so plenty people win races down at 155kg which is max of corrected range 800 I think.
Yes I think in wind smaller / flatter kite would be good, but you can only measure one in at major regattas so they tend to be more of a compromise. Champs have reaches too which moderates things too.   I suspect the boatspeed is limited slightly by the tfoil downwind, as well as lack of rm, but foil makes downwind in 15kts plus possible. And makes the boat a lot faster upwind.
I donít think Iíve ever had full goosewing jib whilst twin stringing, itís sketchy as hell if crew is in to drop or hoist, but I imagine that in 20kts plus kite is very well eased and more of a parachute than foil even when twin stringing. Gybeing angles get pretty low I guess thru 60 deg.


Posted By: 423zero
Date Posted: 30 Dec 18 at 10:14am
Is tfoil adjustable ?


Posted By: Daniel Holman
Date Posted: 30 Dec 18 at 3:26pm
Yep like an n12 the whole stock cants on the transom, through a range of 15-20 deg. Max on ie +10 for upwind until about 9kts boatspeed then you start backing off else the bow gets driven in. Downwind you go -5 or more degrees off in breeze.


Posted By: mozzy
Date Posted: 12 Jan 19 at 8:52am
Chilled out and slowed down edit of the winter sailing so far, highs and lows!

[TUBE]https://youtu.be/um2_pciDPeo[/TUBE]


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RS800 1144


Posted By: mozzy
Date Posted: 23 Jan 19 at 9:07am
Light wind sail on Sunday. Wind with tide didn't help either. 

But we took the opportunity to try a new tacking technique that we'd played around with a bit in the light winds last year, but jut hadn't had opportunity to work on due to it being so windy all winter. 

The idea is that by having the helm move through the boat in front of the their own trapeze lines and the control lines then the weight is kept forward. It seems to keep the wide transom clear, but the downside is that you don't have a hand on the helm for much of the tack which makes correcting the turn rate difficult. Also, facing backwards you can't see the crew or jib and how they're moving, which makes getting the timings correct more difficult... the jury is still out!

It was also apparent that we were running quite a bit of weather helm, especially when just getting the helm on the wire. I guess with a tight leech to hold power, all the weight forward and some leeward heel to reduce wetted area it's not surprising.  But we put some bungee over the tiller and had  play around rudderless sailing to get a feel for the amount of sheet and heel to get a neutral helm. 

[TUBE]https://youtu.be/FUAqNtj_dd8[/TUBE]




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RS800 1144


Posted By: paolochilds
Date Posted: 25 Jan 19 at 10:36am
Can you route the helm trapeze elastic forward for the light? Might mean you can stay holding the tiller?

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Paul Childs
RS Sailing
Sales Team and RS100 Class Development Officer


Posted By: mozzy
Date Posted: 25 Jan 19 at 12:03pm
I have in light winds taken the crews wire, with the tiller in front of the helms wires and elastics. Which works, but if there's a gust and the crew needs to move out then it get s bit awkward. 

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RS800 1144


Posted By: JimC
Date Posted: 25 Jan 19 at 1:01pm
Originally posted by mozzy

Do you reckon the I14 would be faster downwind with a smaller kite above a certain wind strength?

You only have to look at the 12 foot skiffs... There's two sorts of faster, faster through the water and faster round the course. With a smaller kite and hotter angles you are inevitably going to be faster through the water, but the evidence seems to be that geometry wins out and lower and still pretty quick wins races.


Posted By: mozzy
Date Posted: 25 Jan 19 at 1:20pm
But look at foiling cats. There a flatter kite is faster around the course. 

In light winds you can't put much weight against the kite otherwise the apparent will go to far forward and create a load of drag on the deep cut kite. Then you'll just end up sailing the same speed but higher. That's why the 49er went to tighter cuts and slightly smaller too but faster round the course as well as straight line. There's a Canadian article describing the feel on this for 49ers somewhere... 

Then in heavy winds if the kite is too big you can't get the flow initiated over it which is slow also. 

But the 14 doesn't have great leverage s you can see why they went for a fuller kite to take the depth. 

I just wonder a what amount of righting moment and hull drag that it starts to become faster in VMG to have flatter or smaller kites. 




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RS800 1144


Posted By: mozzy
Date Posted: 13 Feb 19 at 7:28am
20 knots boat speed... with probably 2 knots of current and flat water and only achieved for a nano second!

Nice yacht around a week or so ago. Not much water in the harbour put a focus on boat handling but the flat water made it quite nice. A bit of sun helps too!

[TUBE]https://youtu.be/COLHjNrkaIo[/TUBE]


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Posted By: mozzy
Date Posted: 06 Mar 19 at 7:26pm
Simple short and sweet how to for mark roundings... 

https://youtu.be/jKZYuWTYe8s" rel="nofollow - https://youtu.be/jKZYuWTYe8s

[TUBE]jKZYuWTYe8s[/TUBE]


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RS800 1144


Posted By: mozzy
Date Posted: 13 May 19 at 11:31am
Early May Bank Holiday Pursuit... not our finest ever race in the 800. But despite a capsize a and a 720 we actually had decent pace and sailed it pretty well, but two big shut downs in the breeze cost us as lot and we finished near the back overall. 

edit: I think the volume levels are a bit low so you might have to turn it up to hear the chatter, sorry. Also tried to edit out any swearing, but a few might have slipped through. 

[TUBE]https://youtu.be/XaaM1lhYGB0[/TUBE]


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RS800 1144


Posted By: 423zero
Date Posted: 14 May 19 at 6:09am
Can't stand pursuit races, I usually sit them out, seen loads of disputes, usual one is, if first boat does 2 laps you have to pass it twice.
Heartening to see you make mistakes glad I am not the only one.


Posted By: mozzy
Date Posted: 14 May 19 at 8:40am
Pursuit racing has it's own foibles as does corrected time. But as it builds to an exciting finish I find it easier to forgive the frustrations just because of the suspense of the chase. Corrected time is just as inaccurate, but I also find the format pretty dull. 




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RS800 1144


Posted By: iGRF
Date Posted: 14 May 19 at 9:24am
Having that other wiggle stick thing banging about and dragging in the water would really piss me off,I'd have to devise some other method of steering.

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Posted By: mozzy
Date Posted: 14 May 19 at 9:41am
Yeah, it's super annoying. Especially on start lines and they're very prone to breaking if a leeward boat sits it's racks on them. 

Quite a few boats in the fleet are unused to them and sail in late at the start tight to leeward, forgetting that when you head up to keep clear not only will your transom need room to swing toward them, but also the extension will too on top of that. 

On the other hand, it means there's no main-sheet in the middle which is one less thing to get snagged on in tacks and gybes. Plus it means you're much less restricted in where your weight is in manoeuvres . For instance the crew doesn't have to go forward between main and kicker and can keep their weight a little further back in hoists and drops, with more space for their arms flailing. Plus it's easier for the helm to keep their weight forward in light wind tacks.  


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RS800 1144


Posted By: zeon
Date Posted: 14 May 19 at 10:57am
Originally posted by mozzy

Pursuit racing has it's own foibles as does corrected time. But as it builds to an exciting finish I find it easier to forgive the frustrations just because of the suspense of the chase. Corrected time is just as inaccurate, but I also find the format pretty dull. 


Couldnít agree more ClapSmile



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