it is very fast
it depends on the prop and weight of boat, 15in prop moves boat forward 15 inches each revelotion,, so with out getting to technical, a 200 lb alum boat and 200 lb person can go about 18-25 miles per...
a 75 hp merc goes 19 mph
it all depends on water conditions and the boat.the right size boat for a 100 hp should do around 55-60mph
Depends if it fiberglass or Aluminium. For Fiberglass you would be looking at around 50hp-60hp and and Aluminium would be between 30hp and 40hp.
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