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From: Ron Dunnington <rbdunningtons1_at_home.com>
subject: [Paddlewise] Vortex and thrust!
Date: Mon, 19 Nov 2001 09:22:51 -0600
I knew it was coming ...., a technical analysis of the paddle blade traveling
through water. I probably won't understand half of this but, by all means,
let's have it!





I can feel the tips of my Lightning paddles flex and recover if I pull very
hard. The trouble is, seems to me, the release of stored up energy comes at a
time when you least need it, i.e., at the end of the stroke. That's my highly
non-technical 2 cents worth.





Ron





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From: Bob Denton <gulfstream_at_flinet.com>
subject: RE: [Paddlewise] Vortex and thrust!
Date: Mon, 19 Nov 2001 11:25:06 -0500
The difference between these fins and standard fins may be analogous to
kayak paddles. Typical dive fins are stiff as possible so you can push
against the water for thrust. You use a long straight kick for maximum
effect. The Force Fins are short, flexible fins that are used with a
short flutter kick to maximize the snapping action. 

I don't think the concept would work in a kayak paddle as you would want
the snap with the blade parallel to both the surface of the water and
the direction of travel.

cya

-----Original Message-----
From: owner-paddlewise_at_paddlewise.net
[mailto:owner-paddlewise_at_paddlewise.net] On Behalf Of Ron Dunnington
Sent: Monday, November 19, 2001 10:23 AM
To: PaddleWise_at_paddlewise.net
Subject: [Paddlewise] Vortex and thrust!


I knew it was coming ...., a technical analysis of the paddle blade
traveling through water. I probably won't understand half of this but,
by all means, let's have it!





I can feel the tips of my Lightning paddles flex and recover if I pull
very hard. The trouble is, seems to me, the release of stored up energy
comes at a time when you least need it, i.e., at the end of the stroke.
That's my highly non-technical 2 cents worth.





Ron





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***
PaddleWise Paddling Mailing List - Any opinions or suggestions expressed
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author.
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Subscriptions:   PaddleWise-request_at_PaddleWise.net
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***************************************************************************
PaddleWise Paddling Mailing List - Any opinions or suggestions expressed
here are solely those of the writer(s). You must assume the entire
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