Date: Wed, 24 Feb 1993 20:53:59 GMT
From: sasaki@netop3 (Marty Sasaki)
Message-ID: <1993Feb24.205454.23474@das.harvard.edu>
Organization: Division of Applied Sciences, Harvard University
Subject: Re: Flexi

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	- Marty Sasaki
From: grantm@syacus.acus.oz.au
Subject: Re: Flexi
Date: Fri, 19 Feb 93 14:40:34 EST
Cc: kites0as.harvard.edu@munnari.OZ.AU

Hi Graeme,

	I must say I have also become hooked on flexis. Only last week
I went out and bought a 6ft foil (checker design). I am not an expert
on the flexifoil, but I may be able to shed some light on your problem.

	You will notice that the leading edge spar bends a fair bit when
under load. During such conditions the vent along the front of the flexi
will become distorted, particularly towards the spar tips. It may be that
your flexi is distorting to such an extent that the vent on the end cell
closes. Two reasons which come to mind as to why it closes are:

	1) the vent is a tad too narrow at the end causing the problem.
	2) the pocket which the spar slips down may also be to narrow.

A fix that may work without adjusting the "bag" is to move the little
grommets on the spar in a bit, to decrease the stress on the bag. I 
take it you bought a flexi foil spar??

Remember, I don't know much about flexis, so anyone please correct me
if I am wrong!

Grant...
PS: I was planning on going to Adelaide for the Championships but money and
time are preventing me. Maybe next year.

-- 
Grant McCauley
Australian Centre for Unisys Software (ACUS)
115 Wicks Rd,			Internet: grantm@syacus.acus.oz.au
North Ryde 2113			UUCP: uunet!munnari!syacus.acus.oz.au!grantm
N.S.W
AUSTRALIA
Ph: +61 2 3901333		Fax: +61 2 3901391


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