New Posts New Posts RSS Feed: Airborne 12ft skiff
  FAQ FAQ  Forum Search   Register Register  Login Login

Airborne 12ft skiff

 Post Reply Post Reply Page  <1 56789>
Author
I luv Wight View Drop Down
Really should get out more
Really should get out more
Avatar

Joined: 28 Jan 05
Location: United Kingdom
Online Status: Offline
Posts: 628
Post Options Post Options   Quote I luv Wight Quote  Post ReplyReply Direct Link To This Post Topic: Airborne 12ft skiff
    Posted: 09 Feb 05 at 6:27pm
Originally posted by Chris 249



I quite like the interesting shapes on the UK Cherubs



To make an 'old' cherub competetive, it is likely that it will need a new main. jib and kite ( fairly obviously, and these do wear out )
but also a longer mast, longer boom, longer pole.
Also the self tacker track may need moving to get some extra area in the jib, and maybe moving the mast.
and the daggerboard might need moving
oh - and the hull shape might need changing!

Back to Top
Twin Poles View Drop Down
Newbie
Newbie
Avatar

Joined: 06 Nov 04
Location: United Kingdom
Online Status: Offline
Posts: 33
Post Options Post Options   Quote Twin Poles Quote  Post ReplyReply Direct Link To This Post Posted: 09 Feb 05 at 5:51pm

Cheers JimC very informtive.

I read you cherub guys are testing bigger kites but wasn't aware you were looking at a bigger upwind sail area as well.

What sort of weight is that Loco Perro, are you having to put correctors in yet or do you just beef up the hull?



Edited by Twin Poles
Back to Top
Jack Sparrow View Drop Down
Really should get out more
Really should get out more
Avatar

Joined: 08 Feb 05
Location: United Kingdom
Online Status: Offline
Posts: 2965
Post Options Post Options   Quote Jack Sparrow Quote  Post ReplyReply Direct Link To This Post Posted: 09 Feb 05 at 5:05pm
go here http://clearthinking.users.btopenworld.com/cherubpics.html to
see the lattest UK Cherub, it is still in development. Just waitting for that
bigger rig.
Back to Top
Brian View Drop Down
Really should get out more
Really should get out more


Joined: 27 Sep 04
Location: Ireland
Online Status: Offline
Posts: 503
Post Options Post Options   Quote Brian Quote  Post ReplyReply Direct Link To This Post Posted: 09 Feb 05 at 4:22pm

Originally posted by Chris 249


Ooops...can I say "bugger" on a UK forum? Insert "crickey" or "dash it" if you please.

na, sweet as mate!

Back to Top
Chris 249 View Drop Down
Really should get out more
Really should get out more
Avatar

Joined: 10 May 04
Online Status: Offline
Posts: 2041
Post Options Post Options   Quote Chris 249 Quote  Post ReplyReply Direct Link To This Post Posted: 09 Feb 05 at 12:08pm
Bugger, I hope you don't change the rigs in that case

I quite like the interesting shapes on the UK Cherubs and there are enough 12 shapes around as it is

Ooops...can I say "bugger" on a UK forum? Insert "crickey" or "dash it" if you please.
Back to Top
I luv Wight View Drop Down
Really should get out more
Really should get out more
Avatar

Joined: 28 Jan 05
Location: United Kingdom
Online Status: Offline
Posts: 628
Post Options Post Options   Quote I luv Wight Quote  Post ReplyReply Direct Link To This Post Posted: 08 Feb 05 at 11:18pm
Soon the cherubs will probably have 15.5m² upwind and + 21m² down wind..... so getting more 12 skifflike, and therefore requiring a completely different design development route.

I have been looking at the Woof 12 design.... very nice and fair, and with a flattish part of hull horizontal - regardless of the heel angle!

so maybe the next generation of uk cherubs may look more like this.

The current low sail area favours flat shapes that plane early, but need to be sailed flat or heeled to windward.
The best training for cherub sailing is moth sailing where you learn the windward heel thing.
Back to Top
Chris 249 View Drop Down
Really should get out more
Really should get out more
Avatar

Joined: 10 May 04
Online Status: Offline
Posts: 2041
Post Options Post Options   Quote Chris 249 Quote  Post ReplyReply Direct Link To This Post Posted: 08 Feb 05 at 10:28pm
Yep, that's what the 12 guys say.


Back to Top
JimC View Drop Down
Really should get out more
Really should get out more
Avatar

Joined: 17 May 04
Location: United Kingdom
Online Status: Offline
Posts: 6662
Post Options Post Options   Quote JimC Quote  Post ReplyReply Direct Link To This Post Posted: 08 Feb 05 at 9:32pm
Originally posted by Twin Poles

From what i've seen of 12 footers they tend to have alot rounder hull shapes compared to the Cherub's harder chines.


Can anyone tell me why this is? Does it make them easier to control at high speeds?



My theory is that the Cherub hulls are bolt upright hulls - you shed about a knot for every 2 degrees of heel, but really quick when upright. This is probably exactly right for a moderately canvassed single string boat which is what all the current UK designs were when on the drawing board. Twelves on the other hand have a lot more power, and are rather more challenging tkeep bolt upright every second so slightly more drag in exchange for more tolerance to heel is a good call - especially when the static waterline beam is a bit narrower as well.
Back to Top
Twin Poles View Drop Down
Newbie
Newbie
Avatar

Joined: 06 Nov 04
Location: United Kingdom
Online Status: Offline
Posts: 33
Post Options Post Options   Quote Twin Poles Quote  Post ReplyReply Direct Link To This Post Posted: 08 Feb 05 at 5:51pm

From what i've seen of 12 footers they tend to have alot rounder hull shapes compared to the Cherub's harder chines.

Can anyone tell me why this is? Does it make them easier to control at high speeds?

Back to Top
Brian View Drop Down
Really should get out more
Really should get out more


Joined: 27 Sep 04
Location: Ireland
Online Status: Offline
Posts: 503
Post Options Post Options   Quote Brian Quote  Post ReplyReply Direct Link To This Post Posted: 08 Feb 05 at 4:00pm
Originally posted by hurricane

"cough" tornado sport "cough"

*cough* two toothpaste tubes *cough*
Back to Top
 Post Reply Post Reply Page  <1 56789>

Forum Jump Forum Permissions View Drop Down

Bulletin Board Software by Web Wiz Forums® version 9.665y
Copyright ©2001-2010 Web Wiz
Change your personal settings, or read our privacy policy