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3 votes
1 answer
218 views

Why can the rear rotors of helicopters move freely in this direction?

As you can see in the video in the imgur link below i recorded a video of the Alouette 2 rear tail rotor and as you can see it moves freely in that direction. Why does it freely move in that ...
Timothy Scherer's user avatar
5 votes
3 answers
4k views

Helicopter mast bumping in low g condition

The helicopter shown in the concrete pouring video seems to taking off from a hill and descending down in a way which can be classified as low G with low rotor loading. Although, the helicopter is ...
user19440's user avatar
  • 1,075
5 votes
3 answers
8k views

How does a Delta-3 hinge on a helicopter tail rotor work?

I am trying to understand how adding offset hinges would provide a self-feathering force. Does anyone have more information on Delta hinges on helicopters? I am a bit confused with the information I ...
Gerry's user avatar
  • 920