[Paddlewise] my pre-teen perspective on planing

From: Kevin Whilden <kevin_at_yourplanetearth.org>
Date: Thu, 17 Jan 2002 22:55:13 -0800
As a little boy, I spent a lot of time zooming about in outboard powered
dingies.  My parents had a sail boat that they took to Catalina Island off
LA.  I spent many a summer there, frolicking about in boats.  As an eight
year old, I had a pretty good definition of planing that I haven't seen
reason yet to jetison.  Simply put, planing boats generate a smooth green
wake behind the transom, often called a rooster tail when it gets big. I
used to love watching the rooster tail behind every speed boat I saw zooming
by. Conversely, non-planing boats do not create a rooster tail, and often
have a breaking wave as the first wake behind the transom.

Now,  I am aware that kayaks never have a breaking wave behind them when
moving in displacement mode.  But the issue at hand is not whether kayaks
can move in displacement mode, but rather the issue is whether kayaks are
planing when surfing a wave.

People who doubt that kayaks are planing when surfing really ought to take a
trip to Skookumchuk and watch the kayakers there surfing that 10' high
monster standing wave.  You'll notice that every kayak on the green part of
the wave has a nice fat rooster tail behind it, while it planes.

Kevin

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Received on Thu Jan 17 2002 - 22:53:41 PST

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