{Stus-List} trimming...

Ronald B. Frerker rbfrerker at yahoo.com
Tue Jun 9 11:57:25 EDT 2009


I wouldn't use the sheet lead to effect change in leech flutter.
The sheet lead should be adjusted so the luff breaks evenly from head to tack.  The leech line should be used to adjust flutter.
Could you have cut the jib too full?
Ron
Wild Cheri


--- On Tue, 6/9/09, Gavin Peters <gpeters at deepsky.com> wrote:

> From: Gavin Peters <gpeters at deepsky.com>
> Subject: {Stus-List} trimming...
> To: cnc-list at cnc-list.com
> Date: Tuesday, June 9, 2009, 9:38 AM
> Anyone have any ideas on trim? 
> All ideas welcome, I'm trying to drive
> my 30 Mk1 a bit faster upwind with a new sail.
> 
> I have a new 110% I sewed over the winter.  It's cut
> relatively low,
> barely clearing the lifelines.  6.5oz dacron, with a
> sunbrella sun
> cover.  I put my jib sheet through snatch blocks on
> the toerail; no
> genoa track yet.
> 
> When I'm going upwind with it, I get a lot of leech
> flutter.  If I
> move the block forward, I can stop the flutter, but now I
> can't put
> much tension on the foot, and I can't point as high. 
> If I try to use
> the leechline, I have to put a lot of force into it.
> 
> I've tried putting the block 7 holes forward of the cockpit
> bulkhead
> stancheon, and that's I think too far aft; but 4 holes in
> front of
> that is definitely too far forward...
> 
> Ideas?  
> 
> Plan B is: put a garhauer genoa track on this winter.
> 
> - Gavin
> 
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