So = Si / r (2)
where
So = output speed (rad/s, rpm)
Si = input speed (rad/s, rpm)
Example - Gear Output Speed
The output speed of a transmission with input speed 2000 rpm and transmission ratio 3.8 can be calculated as
So = (2000 rpm) / (3.8)
= 526 rpm
Gear Output Horsepower
Po = Pi μ (3)
where
Po = output horsepower (W, hp)
Pi = input horsepower (W, hp)
The output power from a transmission with input power 300 kW and efficiency 0.9 can be calculated as
Po = (300 kW) (0.9)
= 270 kW
Forces, acceleration, displacement, vectors, motion, momentum, energy of objects and more.
Calculate length and speed of belt and belt gearing.
The pulley laws - driver and driven - diameter and rpm
The connecting rod mechanism.
The force ratio is the load force versus the effort force.
Gear train transmissions - bicycle gearing.
Gears effort force vs. load force.
Improvise a torque wrench with a luggage scale.
A toggle joint mechanism can be used to multiply force.
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