Thread: Suzuki DF4 vs. DF6
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Bruce in Bangkok[_5_] Bruce in Bangkok[_5_] is offline
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First recorded activity by BoatBanter: Mar 2008
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Default The Suzuki 2.5 hp makes the final cut...but what about TWO of them, in tandem?
On Sat, 26 Apr 2008 10:38:59 GMT, (Richard
Casady) wrote:

On Sat, 26 Apr 2008 13:58:22 +0700, Bruce in Bangkok
wrote:

You might "Ping" Roger
as to why doubling the Horse Power doesn't necessarily mean double the
speed. Has to do with all kind of hull forms and hydrodynamics and too
much of it will make your eyes cross.

Its very simple. Power required is proportional to the cube of the
speed, and, [gets out the calculator that takes no prisoners], you get
1.26 times the speed. Mileage is inversely proportional to speed. That
you can check for yourself, with your car.

Casady

Right! Up to the time that the boat begins to plane, then all the
calculations go to hell.

Or right up to the time you exceed hull speed and the calculations go
to hell again.

I keep telling the guy, "call Roger". He don;t listen.

Bruce-in-Bangkok
(correct email address for reply)
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