crankshaft speed

supersonic speed (exceeds speed of sound / Mach 1)

variable-speed with speed control

instantaneous vertical speed indicator / instantaneous vertical-speed indicator (IVSI)

Nr gauge (Nr = speed of rotation) / rotor speed sensor

Motor PWM speed separated from PID speed

crankshaft gear

elevating crankshaft

crankshaft assembly

crankshaft bearing

crankshaft distance piece

crankshaft end cap

crankshaft fan pulley

crankshaft oil thrower

crankshaft oilway

crankshaft piece

crankshaft ratchet

crankshaft starting jaw

crankshaft-type engine

upper center crankshaft bearing

upper front crankshaft bearing

upper rear crankshaft bearing

crankshaft

crankshaft counterweight

crankshaft crank

crankshaft crank cheek

crankshaft crankpin

crankshaft main journal

apparent speed

average speed

blade speed

convoy speed

critical speed