Thread: Hull speed
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Steven Shelikoff
 
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Default Hull speed

On Wed, 15 Oct 2003 23:17:29 -0400, Joe Wood
wrote:



Jere Lull wrote:
Jim Woodward wrote:


Your dinghy may not do it, but it is possible to fool the water -- the
Kiwis tried it in the last America's Cup

As I recall, that attempt didn't work particularly well....

But our little boat with a wide flattish transom considers hull speed
(1.34 x sqrt(LWL)) a suggestion rather than the law. It seems the AC
boats and other newer sleds are more advanced that way.


Two points he

1. Hull speed only relates to displacement hulls. Planing hulls such as
the aforementioned sleds are another story.


It also only applies to displacement hulls with a L/W of less than
around 3 or 4. When you get to the 8-10 range, you can easily exceed
hull speed, as catamarans (also displacement hulls) do.

Steve