From:	<kites-request@das.harvard.edu>
Date:	Wed, 25 May 1994 06:43:19 -1000
	From:	Clint.Morrison<Clint.Morrison@columbiasc.ncr.com>
Message-Id: <CqDAG7.6uD@ncrcae.ColumbiaSC.NCR.COM>
Organization: NCR Columbia
Subject: Flight Conditions and Necessary Adjustments

I've been flying my first delta for a month now and I love it!!!  The sharp 
turns, and screaming lines are incredible.  However, I'm a little confused about 
how I can adjust my kite for different wind conditions. When should I move the 
bridles up (towards the nose) and down (towards the base of the kite)? 

If anybody knows the physics behind what actually happens when the bridles are 
adjusted, please post!

Cheers and Stiff Breezes

Clint 





NCR Corporation - An AT&T Company
Clint Morrison
Clint.Morrison@ColumbiaSC.NCR.COM
(803) 939-2310




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Date:	Wed, 25 May 1994 15:35:45 -1000
From:	rec@dancer.NoSubdomain.NoDomain (Raymond E. Cline)
Message-Id: <2s0udh$j87@dancer.ca.sandia.gov>
Organization: Sandia National Labs
Subject: Re: Flight Conditions and Necessary Adjustments

Okay, let me see if I can remember this stuff. When you move the bridle point
toward the nose you are relying on the aerodynamics of the wing (because you are
providing more of a wing surface to the wind). When you move the bridle point
back fro the nose you are presenting more of a "flat board in the wind" profile.
So, move the bridle forward for more lift, less pull, and slower speed. Move it
back for less lift, more pull (barn door in the wind for some kites), and more
speed. It then follows that you want to move the bridle point toward the nose in
low winds and move it back in high winds. Remeber, the total adjustment "window"
on the bridle is not very much, in some cases only about half an inch. So, make
small adjustments and "eye it" to make sure you've got both sides about the same.
Given the above "easy" rules, just go and play around. Have fun.

-- 
Raymond E. Cline, Jr.
Department Manager, Distributed Computing	Phone:	(510) 294-1395
Sandia National Laboratories			FAX:	(510) 294-1225
Box 969, MS9011					E-mail:	rec@sandia.gov
Livermore, CA 94551
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