Re: [Paddlewise] Paddling efficiency (was: Rudders)

how 'bout a 6' storm paddle?

Fred

Richard Fawcett wrote:

> John Winters wrote:
>
> > I don't know that anyone has done much with small blades and a more
> > vertical stroke. Always it seems to be small blades on long shafts
> > (Greenland) or large blades on short shafts (racing and white water) . This
> > is not really a fair comparison. From a purely mechanical standpoint, the
> > stroke closer to the boat wastes less energy (less wasted on turning
> > moment). From a purely biomechanical  standpoint the more vertical stroke
> > promotes more body rotation and use of torso muscles while making best use
> > of the arms for maximum push and pull.
> >
> > It would seem to me that one might get best results using a small blade
> > that did not stress muscles an a short paddle with a more upright stroke
> > for greatest efficiency.
>
> John, I agree with this analysis. The problem is where do you find such
> paddles.  Everything I have seen is short with wide blades, or long with narrow
> blades. I can't find any paddles with a short shaft and narrow blades.  Any
> suggestions?
>
> Richard Fawcett
> Mayberry, NC
>
> > Cheers,
> > John Winters
> > Redwing Designs
> > Specialists in Human Powered Watercraft
> > http://home.ican.net/~735769/
> >
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