(5) Boattest.com Cox Marine - Prop Torque
Ring Power Cox Marine
383.4K views - 2 years ago
This video explains why gas-powered outboard engines need to be revved high to get a boat on plane. It compares the horsepower and torque curves of a gas engine and a diesel engine, showing how the gas engine's peak power comes at a higher RPM than the diesel engine. The video also discusses the gear ratios used in gas and diesel outboards, explaining how gas engines need a higher gear reduction ratio to increase torque.