Re: [Paddlewise] Greenland paddle - Throw-weight

Bruce wrote;

(Large snips)



>Thus contrary to John's opinion (and contrary to mine the last time he and
I
>discussed this sort of thing), the weight distribution of the paddle
(moment
>of inertia) is important in the amount of (physiological) work one does,
>supporting the paddle against its inclination to turn in a disc instead of
a
>cone.


See how useful it is to have Bruce around.

Now this raises a question. Typically wood Greenland style paddles are
heavier in the ends (blades) than modern lightweight paddles. Nevertheless,
users claim they require less effort to achieve the same result as work
than the low aspect ratio modern paddles.

What is the explanation for this?

Cheers,
John Winters
Redwing Designs
Specialists in Human Powered Watercraft
http://home.ican.net/~735769/



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