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Sailing downwind with a wing mast #181559
06/09/09 02:07 PM
06/09/09 02:07 PM
Joined: Nov 2005
Posts: 246
Kiel, Germany
Baltic Offline OP
enthusiast
Baltic  Offline OP
enthusiast

Joined: Nov 2005
Posts: 246
Kiel, Germany
I am still not sure how to work the traveller and main sheet. Is it in general correct to place the traveller in the middle to support the mast except on very, very low winds (< 8 kts or so)? I use to keep the main sheet pretty tight and leave it cleated - but I saw recently a video with Darren Bundock on the helm of a Tiger, working heavily the main sheet. I wonder what he is doing there and if this applies to the Capricorn as well ...

Thanks,
Kai


F18: C2 / A-Cat: Minelli
-- Have You Seen This? --
Re: Sailing downwind with a wing mast [Re: Baltic] #181565
06/09/09 02:45 PM
06/09/09 02:45 PM
Joined: Oct 2008
Posts: 88
Memphis, TN
A
Andy Humphries Offline
journeyman
Andy Humphries  Offline
journeyman
A

Joined: Oct 2008
Posts: 88
Memphis, TN
The mainsheet supports the mast and should be fairly tight. You can fine tune according to the tell tales. You may drop the traveler if needed to sail a higher course. In very light air, you may try dropping the traveler a few inches. See the tuning guide on the AHPC website.

Re: Sailing downwind with a wing mast [Re: Baltic] #181768
06/11/09 06:11 PM
06/11/09 06:11 PM
Joined: May 2008
Posts: 107
Melbourne, Australia
MitchB Offline
member
MitchB  Offline
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Joined: May 2008
Posts: 107
Melbourne, Australia
I am fairly sure I have heard Darren Bundock say something along the lines of
"The Tiger has a pear shaped mast which means we are able to play the mainsheet a little more down wind"

The capricorn masts are very strong, but not as strong as the Tiger: Definitely make sure mast rotation is out to 90 degrees! Don't "dump" the mainsheet under any conditions - The AHPC tuning conditions suggest a centered traveler in most situations (except very light air).


Stingray #579
GLYCish
Re: Sailing downwind with a wing mast [Re: MitchB] #182062
06/16/09 03:20 AM
06/16/09 03:20 AM
Joined: Nov 2005
Posts: 246
Kiel, Germany
Baltic Offline OP
enthusiast
Baltic  Offline OP
enthusiast

Joined: Nov 2005
Posts: 246
Kiel, Germany
Since the 'big three' (Infusion, Capricorn, and I think the Wildcat, too) all have wing masts: where is the advantage over the standard-shaped masts?


F18: C2 / A-Cat: Minelli
Re: Sailing downwind with a wing mast [Re: Baltic] #182088
06/16/09 09:37 AM
06/16/09 09:37 AM
Joined: Aug 2006
Posts: 297
R
rexdenton Offline
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rexdenton  Offline
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R

Joined: Aug 2006
Posts: 297
It
1)when rotated the mast itself adds depth to the chord to the mainsail main up near the luff,
2)on the minor axis, wing mast adds flexibility on the top of the mast, allowing the top of the main to twist off considerably when the mast is fully rotated, but adding fullness at the luff (the mast itself!), when adjusting in the mainsheet. More tuning potential.
3) Removing mast minor axis rot., mast is stiffer, and while sheeting in, removes top main 'twist off', decreasing wind surface area of both mast and sail (depower or light air). With the mast at more neutral rotation, luff and downhaul spreads curve over entire mast, which radically flattens the mainsail for depowering/light air. (I still can't figure it all out!)

Last edited by rexdenton; 06/16/09 09:42 AM.

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