Engines — By
Capt. Ken Kreisler — January 2001
|Part 2: Volvo Penta D-12 Series continued|
is a measure of power. Torque, which is mathematically related to horsepower,
is a measure of twisting force. Torque is what turns the propeller; the
more torque delivered to a propeller (assuming an efficient hull and the
correct-size propeller), the faster and more efficiently the boat will
This article originally appeared in the May 2003 issue of Power & Motoryacht magazine.