Why does the UH60 have a titled tail rotor?

Asked Mar 14 '21 at 14:19

Active Mar 14 '21 at 14:19

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I've been looking at helicopter design recently, particularly UK military helicopters. I've noticed that most tail rotors are parallel/flush with the tail of the helicopter in most designs. When looking at the UH-60, I noticed that the tail rotor is diagonal WRT the tail (see image below).

My questions are:

Why is this?
Does this impact it's the ability to counter torque?
Does the rear rotor for the UH-60 have a component of lift?

asked Mar 14 '21 at 14:19

Shaun Cockram

This seems familiar--?? – quiet flyer Mar 14 '21 at 14:21
I did check similar questions when writing the title. If there's already an answer out in the ether, I apologise! – Shaun Cockram Mar 14 '21 at 14:23
Yep, that does it! Although, from that post alone, I don't see how it can fully counter the torque without having too much rear thrust in the lift component. – Shaun Cockram Mar 14 '21 at 14:27
@ShaunCockram check the link at the bottom of my answer in Bianfable's linked post. It's a study of canted rotor effects. – John K Mar 14 '21 at 15:23

Why does the UH60 have a titled tail rotor?

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