# Tag Info

5

$P$ is power. $P = \tau \omega$ $\tau = Torque$ $\omega = Angular Velocity (rad/s)$ https://byjus.com/physics/relation-between-torque-and-power/

3

$$M_t = \frac{P}{2\pi\cdot n}$$ where: $M_t$ is the torque transmitted through the shaft (unit in SI: Nm). P is the power transmitted through the shaft (unit in SI: W). $n$ are the rotations of the shaft in revolutions per minute (rps). (this is important for the units to be correct) If you want to use $n$ with revolutions per minute (rpm), you should use ...

3

For every action there is an equal, but opposite, reaction. Never found a case that this is not true. Torque reaction on the P51 even caused uneven tire wear: https://www.aopa.org/news-and-media/all-news/2007/august/pilot/north-american-aviation-p-51d-mustang So, if you open the bonnet or hood of a car and run the engine with it in neutral, then blip the ...

2

Of course engine size affects torque, but RPM (& power) is more complicated. First of all, the thing that matters in an engine is power. Power is what gets things done and is the best measure of an engine's performance. Power is torque times RPM, so half the torque at twice the speed is the same. We can get whatever torque we want at the wheels ...

2

Generally large displacement engines tend to lower the rpms. The reason is that the inertial forces tend increase for larger displacements (assuming the stroke size remains the same) and eventually exceed the available material strengths. Also, in general the power of an engine will be strongly correlated with the fuel consumed. This is the driving factor. ...

1

Yes, indeed it creates a reaction torque equal and in opposite direction in the frame of the airplane. All the engine mounts have diagonal braces designed to transfer the propeller's torque to the wing or mount. It is immediately noticeable in a helicoper with a disabled rudder propeller and will cause imminent danger of crash because it causes the copter to ...

1

Yes the engine would have its throttle wide-open (or whatever position gives the highest torque reading). Each rpm point on the torque curve shows the maximum torque resistance that the engine can maintain and NOT result in a drop in rpm. Once rpm starts to drop, that indicates the engine cannot overcome the amount of torque resistance that is being applied ...

1

Tc/J where: T: internal torque in the shaft c: radius of the circular rod J: Polar moment of inertia (pi*d^4/32 for a solid circular shaft)

Only top voted, non community-wiki answers of a minimum length are eligible