Assertion: rotor's speed | /r/HasProperty | rotational
Facets:
Source sentences:
text: A rotor that operates at a rotational speed below 70 percent of its critical speed is considered to be a rigid rotor.
text: Synchronous speed is the rotational velocity, expressed in rpm, of the magnetic field in the motor stator.
text: If wings are also used to lift the aircraft, the rotor can be unloaded (partially or fully) and its rotational speed further reduced, enabling higher aircraft speed.