An auxiliary rotor at the tail of a helicopter designed to counterbalance the torque of the main rotor.
〔航空〕（直升机的）尾桨
Example sentencesExamples
Absence of the tail rotor enables the helicopter to perform flat turns within the entire flight speed range.
Although a helicopter has a main blade, rotating at 500 rpm above it, and a tail rotor that acts as a rudder, it remains a completely unstable machine.
The tail rotor is designed on a biplane configuration, with independently controlled X-shaped blades.
The Mi - 17, recognizable because the tail rotor is located on the starboard side instead of the port side, is a multipurpose helicopter capable of carrying either cargo in the cabin or up to 30 passengers.
Kamov helicopters are well known for the co-axial contra-rotating rotor design, but the Ka - 60 has a single four-bladed main rotor with an anti-torque tail rotor.
Definition of tail rotor in US English:
tail rotor
nountāl ˈrōdər
Aeronautics
An auxiliary rotor at the tail of a helicopter designed to counterbalance the torque of the main rotor.
〔航空〕（直升机的）尾桨
Example sentencesExamples
Absence of the tail rotor enables the helicopter to perform flat turns within the entire flight speed range.
The Mi - 17, recognizable because the tail rotor is located on the starboard side instead of the port side, is a multipurpose helicopter capable of carrying either cargo in the cabin or up to 30 passengers.
Kamov helicopters are well known for the co-axial contra-rotating rotor design, but the Ka - 60 has a single four-bladed main rotor with an anti-torque tail rotor.
Although a helicopter has a main blade, rotating at 500 rpm above it, and a tail rotor that acts as a rudder, it remains a completely unstable machine.
The tail rotor is designed on a biplane configuration, with independently controlled X-shaped blades.