Re: [Paddlewise] Excessive Weather Cocking (or is it Fairy gliding with the wind)

From: John Blackburn <digipixs_at_erols.com>
Date: Wed, 11 Dec 2002 11:42:50 -0500
Nick Schade wrote:

> The energy applied to the water increases with the square of your 
> velocity. So the faster you go, the higher the energy you are applying 
> to the water and the harder you have to paddle. Hull speed is when you 
> reach a point on the velocity/energy curve where the energy required 
> to go faster starts to climb steeply and your additional power does 
> not add much additional speed.

Great explanation.  The speed power curve is a quadratic function and 
it'll get vertical very fast.  Just plot 5 points on a piece of graph 
paper (1,1)  (2,4)  (3,9)  (4,16)  and (5,25) and you'll be convinced.

John

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Received on Wed Dec 11 2002 - 08:44:22 PST

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