Interesting question / debate ????

[JustMrWill]

Re: Interesting question / debate ????

They just need to invent a boat that runs on saltwater and we would be all set....<br /><br />ok...runs on saltwater as a fuel...I know that most already do run ON saltwater...

 

[andrewgroup]

Re: Interesting question / debate ????

Speed requires horsepower. To go fast in little boats you must get up on plane. Keeping it their is a constant unlike that of your car. Once the car gets up to it's cruising speed you can actually back off the gas slight and engage the cruise control. getting 30mpg, at 50 in a car is possible because the laws of physics (body in motion, stays in motion stuff) Air resistance is significantly less that the TDF (total drag forces) working against a boat. Back off the horsepower and voila' you are a canoe again. Spinning the prop requires the same forces so changing gears up, will require an immediate increase in input horsepower to maintain the same thrust.<br /><br />Keep your boat waxed and keep dreaming.

 

[chris in va]

Re: Interesting question / debate ????

jstmrwill is right...if we can come up with a 'motor' that runs off of hydrogen + oxygen, there ya go.