Great Lakes Kayaker

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January 15, 2021

Miscellaneous Technical Information on Kayaks

  • Length vs Resistance

    This technical page shows a graph of data on the first tab. The graph is also technical, and compares the resistance to forward motion, in kilograms; to the length of the kayak, in centimeters. The line plotted is a least squares fit. However, it shows a slight increase in resistance versus length; counter to what most paddlers assume.

    The reason is that overall length is not a good indicator of the speed; (resistance felt) of a kayak. Waterline length is a slightly better indicator. But other technical factors are significant.

The raw data is on the second tab. Furthermore, the data is taken from Sea Kayaker magazine kayak reviews.

kayak technical

  • Lift Versus Drag in Technical and Greenland Style Paddles

    A simple analysis of the relative importance of lift and drag in a greenland style paddle.

  • Why Kayaks Weathercock

    A diagram and explanation of weathercocking by Frank Goodman.

  • Why Kayaks Rotate About Their Center of Gravity

    A simple and technical demonstration of the physics principles imvolved in rotating a kayak. Moreover, it shows that kayaks do rotate about their centers of gravity when paddled.

  • Shock Absorbing Towlines – what size bungie is required?

    Nonetheless, some paddlers want a shock absorption system in a towline. This page explains how to determine what size bungie is required to limit the forces on a tow rig.

 

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