On Sun, 26 Feb 2006 14:17:30 +1100, "K. Smith" wrote:

I don't care how you do it 1 big engine, 2, 3, or 6 it will take about
300Hp to push boats of that size & weight at 35mph & that will take the
best part of 30gph of fuel

Sounds about right to me.

10 hp = 1 gph (gas)

The laws of physics have not yet been over turned.