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...
19 mph
Yes. I motor doesn't guarantee that a boat cannot sink.
it all depends on water conditions and the boat.the right size boat for a 100 hp should do around 55-60mph
i would guess no more then 10mph but prob an average of 8mph we have a 250hp 26ft tri toon that does 30 - 35mph