(It’s why curveballs curve.) This can be used for propulsion on a boat, by spinning a tall cylinder called a Flettner rotor. This takes advantage of Magnus effect to generate thrust. The boat ...

Select your boat to get started. A boat's history affects it's value—check the history of this 1982 Muncie Metal Spinning Inc and avoid buying a previously damaged boat. Check for storm damage, ...

Select your boat to get started. A boat's history affects it's value—check the history of this 1996 Muncie Metal Spinning Inc and avoid buying a previously damaged boat. Check for storm damage, ...