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From: PeterO <rebyl_kayak_at_energysustained.com>
subject: RE: [Paddlewise] Comparing sweeps chine and round hull - 'inertial' vs 'damped' responses
Date: Mon, 5 Jul 2010 17:57:02 +1000
Matt commented:
>SNIP I suspect turning into the wind you are willing to lean further to the

>inside (and into the wind) while low bracing on a reverse sweep than you
are
>willing do to the outside (leaning downwind) doing a forward stroke.
Turning 
>downwind you are in the opposite situation where you get to lean into the
wind 
>with the outside lean and must lean downwind doing a reverse sweep. Since
you 
>naturally lean into a wind some to compensate for the wind strength (to 
>maintain balance) you aren't so far off balance when leaning into the wind 
>than when leaning at an equal angle downwind.


G'day Matt,

I had a chance to try your suggestions in about 15 knot wind and flat water
on Sunday and again the bow sweep strokes worked effectively with and
against the wind. There may have been a tendency for the bow sweep to also
push the boat a bit forward when turning against the wind. The stern sweep
against the wind did little more than send the boat in a straight line
backwards, I was edging it but nowhere near as much as with the forward
sweep. The ease of turning with the boat moving was also evident.

I'm almost completely convinced by your ideas now and will work on improving
my edge during that stern sweep and see if the problem disappears. 

Many thanks and all the best, PeterO
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From: PeterO <rebyl_kayak_at_energysustained.com>
subject: RE: [Paddlewise] Comparing sweeps chine and round hull - 'inertial' vs 'damped' responses
Date: Mon, 5 Jul 2010 18:23:31 +1000
P.S, Matt I should have added that the only reason I'm not completely
certain is the need for more and better measurements on my reverse sweep,
nothing to do with the explanation you gave, which is very credible.

All the best, PeterO


G'day Matt,

I had a chance to try your suggestions in about 15 knot wind and flat water
on Sunday and again the bow sweep strokes worked effectively with and
against the wind. There may have been a tendency for the bow sweep to also
push the boat a bit forward when turning against the wind. The stern sweep
against the wind did little more than send the boat in a straight line
backwards, I was edging it but nowhere near as much as with the forward
sweep. The ease of turning with the boat moving was also evident.

I'm almost completely convinced by your ideas now and will work on improving
my edge during that stern sweep and see if the problem disappears. 

Many thanks and all the best, PeterO
***************************************************************************
PaddleWise Paddling Mailing List - Any opinions or suggestions expressed
here are solely those of the writer(s). You must assume the entire
responsibility for reliance upon them. All postings copyright the author.
Submissions:     PaddleWise_at_PaddleWise.net
Subscriptions:   PaddleWise-request_at_PaddleWise.net
Website:         http://www.paddlewise.net/
***************************************************************************

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