Difference between torque and power – Easy Explanation
Engineering Explained did a video explaining what is the difference between torque and power. You can find it here.
He starts off okay when he states
“Torque is force applied at a distance”
But from then on, I think he goes into the weeds when explaining horsepower.
Short explanation of power
Power is the speed at which the torque can be applied.
Example
How much torque can we maintain on a spanner if the spanner is turning at 2000rpm?
On a stationary nut we can maintain say 50lbs/ft. But what torque can we maintain if the nut was turning at 2000 rpm? How much work can we do on the nut?
When we know this torque number we can calculate/extrapolate the power being applied to the spanner, at 2000rpm.
Its just than simple.
Torque is the force. Power is the rate at which we can apply that force.
Calculators
StrikeEngine has a number of calculators related to power and torque
Measure engine power without a dyno
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