Seago 260 rubber tender Selborne |
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Rossiter Pintail Mortagne sur Gironde, near Bordeaux |
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Laser 28 - Excellent example of this great design Hamble |
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List classes of boat for sale |
CHERUB |
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Granite ![]() Far too distracted from work ![]() ![]() Joined: 12 May 04 Location: Scotland Online Status: Offline Posts: 476 |
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Chris, are you going to be in Largs at the weekend? could go for a Scream around the bay
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If it doesn't break it's too heavy; if it does it wasn't built right
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tgruitt ![]() Really should get out more ![]() ![]() Joined: 02 Dec 04 Online Status: Offline Posts: 2479 |
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so who has designed the hydrofoiling cherub then?? http://www.sailingsource.com/cherub/images/xxxx-20050816.jpg so will it work? |
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Needs to sail more...
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I luv Wight ![]() Really should get out more ![]() ![]() Joined: 28 Jan 05 Location: United Kingdom Online Status: Offline Posts: 628 |
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the tricky bit of moth foiling is not keeping the hull flying above water, but keeping the lift foil below the surface. by having the main lift foil on the daggerboard only halfway up the board = half the height to fly in = twice as difficult! And no height control ? ( flap or pivoting foil? ) foil looks a bit small to fly the boat, so maybe it's intended to lift the boat rather than fully fly it. |
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Ginger_69 ![]() Far too distracted from work ![]() ![]() Joined: 04 Jun 05 Location: United Kingdom Online Status: Offline Posts: 481 |
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ye because lifting the boat and not flying the boat would create less drag and potentialy be faster.
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Chew valley lake s c
Topper(RED)-29412 I14 1209 lightning-168 Whaam (cherub) Atum bom (cherub)old crew (the 1 in the youtube vids) Will be arup skiff crew aka marmite |
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Strawberry ![]() Really should get out more ![]() ![]() Joined: 21 Jun 05 Location: United Kingdom Online Status: Offline Posts: 1337 |
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How will lifting the boat and not fully flying create less drag? Do you actually know what your talkin about?
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Cherub 2649 "Dangerous Strawberry
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I luv Wight ![]() Really should get out more ![]() ![]() Joined: 28 Jan 05 Location: United Kingdom Online Status: Offline Posts: 628 |
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[QUOTE=Jack Sparrow] Shiny Beast ( pro boatbuilder/foil maker, sails all the time )
USED to sail all the time.... not so much recently, but has many hours of sailing over many years . [QUOTE=Jim C] I think Andy Paterson put together better campaigns and sailed at a better crew weight, but I'm not convinced his boat is intrinsically quicker overall. Heavier than ususal new crew this year ( 24 stone total ) but faster on average..... Nationals recently have been mostly light winds, some medium, and a few strong winds. |
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I luv Wight ![]() Really should get out more ![]() ![]() Joined: 28 Jan 05 Location: United Kingdom Online Status: Offline Posts: 628 |
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might work...... the balance of drag from less diplacement and more foil drag will be close.... testing will soon show! |
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andy_cherub ![]() Really should get out more ![]() Joined: 16 Mar 05 Location: United Kingdom Online Status: Offline Posts: 768 |
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By not fully lifting may make it faster, same as how a t-foil on the rudder works. More force on foil = less on hull, but saying that the net result will be alot faster if the entire boat flew, then there is NO resistance from the hull. I could calculate it all out if you wanted, but my brains sore as it is from Mechanics coursework ive just finished! Arrr, sailing tomor will sort that out! |
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-12ft skiff, Team 'CST Composites'
-Many thanks goes out to all of my sponsors. Ignore my user name, my views are of a 12ft skiff |
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Wave Rider ![]() Really should get out more ![]() Joined: 27 Oct 04 Location: United Kingdom Online Status: Offline Posts: 909 |
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Yeah i think your right Ed, if you put foils which are the right angle etc, it will lift the hull slightly in the water thus creating less drag on the hull, so i guess you would go faster! hmm hot sure if it would be noticable? Lol if whaam wasnt so darn heavy we could get her flying
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-[Franko]-
Chew Valley Lake Sailing Club RS600 933 |
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Ginger_69 ![]() Far too distracted from work ![]() ![]() Joined: 04 Jun 05 Location: United Kingdom Online Status: Offline Posts: 481 |
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well my dad has offred to make us some foils after looking at the cherub website says "maby if u ask ur dad nicely he might make you some of them" and they would be on a diffrent board so we can have a spair one.
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Chew valley lake s c
Topper(RED)-29412 I14 1209 lightning-168 Whaam (cherub) Atum bom (cherub)old crew (the 1 in the youtube vids) Will be arup skiff crew aka marmite |
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