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Moth Nationals 22 |
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turnturtle 
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Joined: 05 Dec 14 Online Status: Offline Posts: 2538 |
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 Topic: Moth Nationals 22Posted: 13 Jun 22 at 7:22am |
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no thread on this folks?
I thought the front page write-ups were excellent, great reading and a real sense of competitive camaraderie. Anyone got any feedback on the main technical developments at the bleeding edge of this class that might one day trickle down? The word I'm picking up is Aero - and not in the RS sense, more in the carbon bike sense.
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Mozzy
Far too distracted from work 
Joined: 21 Apr 20 Online Status: Offline Posts: 209 |
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Posted: 13 Jun 22 at 7:57am |
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What strikes me most, is that after 4 days racing, 16 races and some pretty decent breeze there were very few DNF/DNCs.
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Mozzy
Far too distracted from work
Joined: 21 Apr 20 Online Status: Offline Posts: 209 |
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Posted: 13 Jun 22 at 8:05am |
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In terms of tech I guess the interest would be in whether the aerocet was a step ahead of the tried and tested bieker.. looks like it's more on par, but maybe hard to tell definitively with dylan being a bit light and conditions being breezy.
Not many exploders in the fleet. Would be interesting to hear what happened to Dave Hivey. Mike Lennon seemed to have a decent outing in his, but again, he's not a big chap, so hard to draw conclusions about the level of the boat. |
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423zero
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Joined: 08 Jan 15 Location: United Kingdom Online Status: Offline Posts: 3420 |
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Posted: 13 Jun 22 at 9:09am |
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Vaguely recall a serialised moth build on here, ages ago, sure it was James Sainsbury, had a quick look but can't find it.
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Robert
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Guests
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Posted: 13 Jun 22 at 9:14am |
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Very much enjoyed the reports and photos, and amazed at the lack of DNF. Seems like they have become a really mature product with some excellent sailors. What’s the bit in this photo? It looks much to wide to just be seam tape and appears to stick up above the boom.
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Mozzy
Far too distracted from work
Joined: 21 Apr 20 Online Status: Offline Posts: 209 |
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Posted: 13 Jun 22 at 9:42am |
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I think that is just cloth, same as the cloth used in the main body of the sail. It goes either side of the boom and meets above where the sail returns to single ply.
Brad Funk has the same arrangement here but with the angle you can see a little better what is going on. Talking to Mike quite a lot of work goes in to the battens in this area to keep the cloth smooth around the boom and support it down to the deck, but also allowing for significant movement of the sail relative to the boom with changes in control lines
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H2
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Joined: 26 Jul 17 Online Status: Offline Posts: 750 |
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Posted: 13 Jun 22 at 2:25pm |
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At some point I would have thought that the person becomes an aero issue - how long before we start seeing aero clothing / helmets like they wear in time trails on the bikes? I am half joking but also half serious!
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H2 #115 (sold)
H2 145 OK 2082 |
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Sam.Spoons
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Joined: 07 Mar 12 Location: Manchester UK Online Status: Offline Posts: 3400 |
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Posted: 13 Jun 22 at 3:10pm |
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It's been tried by speed windsurfers but the latest top speeds have been achieved with basically normal windsurfing kit (plus, maybe an impact vest
 ). They go a lot faster than Moths, Bjorn Dunkerbeck recently clocked 100kph (with a GoPro on his helmet so not the best aero package...).
Edited by Sam.Spoons - 13 Jun 22 at 3:48pm |
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Spice 346 "Flat Broke"
Blaze 671 "supersonic soap dish" |
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423zero
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Joined: 08 Jan 15 Location: United Kingdom Online Status: Offline Posts: 3420 |
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Posted: 13 Jun 22 at 6:46pm |
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https://www.ebay.co.uk/itm/125357821166?hash=item1d2fe88cee:g:KLMAAOSwD-liNiKs
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Robert
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Mozzy
Far too distracted from work
Joined: 21 Apr 20 Online Status: Offline Posts: 209 |
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Posted: 13 Jun 22 at 7:07pm |
I think windsurfing the development has been more about the venue than the kit.
Hydro-drag will always trump aero. But I wouldn't be surprised if aero drag is of more concern in a moth due to the apparent wind speeds seen going upwind... you don't see many spray tops. Tope be honest even in the 800 I think there a good gains from ditching the spray tops, getting the helm hidden behind the crew, and trapezing low so that you're bodies only see slower true wind speeds (as long as you don't hit the water). |
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