In an engine’s torque derived from its power, or is power derived from torque? In other words, which of the two is directly measured or designed?

Question

In an engine’s torque derived from its power, or is power derived from torque? In other words, which of the two is directly measured or designed?

In: 1

Answer 1

Engines produce a torque at a speed.

Dynos, used to measure power, measure the torque and rpm. By multiplying the two you can find the power output of the engine. Note that this varies depending on the RPM and the fuel put in the engine.