[Public-list] Maximum Roach in Mainsail

[Gordon Laco]

Good morning - 

In our boats, less power in the main means it will be easier to keep a
balanced helm... If you are not racing you will not often miss less roach.
Too much roach results in unusable power... You would have to rake your mast
forward a little to achieve that much sought after slight weather helm.

Gord #426 Surprise











> The fully battened mainsail that came with my boat has too much roach. he
> folks at my loft measured it at 26" and say 10-12" is a normal max. for a
> monohull. A few years ago they made a mainsail for an A30 and they cut
> it with 5" of roach at request of the owner.
> 
> I'm going to have a new main made for my boat and I'm wondering how much
> roach would be suitable for maintaining decent speed while better enabling a
> balanced helm and a more manageable boat in gusty conditions. I use the
> boat strictly for cruising, so class rules, etc. aren't a factor.
> 
> I'd like to hear about any experiences others have had with various
> configurations of mainsails, thanks.
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