Assertion: vibrating structure gyroscope | /r/CapableOf | control the helicopter's tail rotor
Facets:
value: to help keep the altitude
type: PURPOSE
Source sentences:
text: Vibrating structure gyroscopes are commonly used in radio-controlled helicopters to help control the helicopter's tail rotor and in radio-controlled airplanes to help keep the altitude steady during flight.
text: Vibrating structure gyroscopes are commonly used in radio-controlled helicopters to help control the helicopter's tail rotor and in radio-controlled airplanes to help keep the altitude steady during flight.