Questions tagged [uh-60]

The Sikorsky UH-60 Black Hawk is a four-bladed, twin-engine, medium-lift utility helicopter manufactured by Sikorsky Aircraft.

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27
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5answers
7k views

Why is the UH-60 tail rotor canted?

The Sikorsky UH-60 (S-70) has a tail rotor that is canted 20 degrees upwards. Why is that? Picture source
10
votes
1answer
418 views

What is the bend in the tip of the blade of the new Black Hawk?

The newer Black Hawks have this angle added to the end of their rotor blades. What is it for? How does it increase or decrease performance? Could this be used on airplane propellers? (...
6
votes
4answers
1k views

Why would a helicopter hold a 'nose-up' in hover?

(The Grand Tour; episode 2) SAS unit fast roping from a Blackhawk. Why is the helicopter pitched-up? Actual scene footage have it like that for a few seconds while holding steady over a building. How ...
9
votes
1answer
765 views

What is the relationship between the UH60 Blackhawk stabilator function lateral sideslip and pitch coupling?

I'm having a hard time understanding the correlation between the wind gusts (where are they coming from, what are they affecting) and why, in a nose left situation, the stabilator is driven down. I ...
11
votes
3answers
1k views

Can the MH-60 helicopter fly without one or all of the stabilators?

The MH-60R helicopter has a horizontal Stabilator that consists of three subassemblies, RH Stabilator, LH Stabilator, and Center Stabilator. Can the aircraft fly without the RH Stabilator? Can the ...
22
votes
3answers
7k views

How is it safe for helicopters and Ospreys to refuel in mid-air?

How do military helicopters like the Blackhawk and CH-53, as well as the V-22 Osprey, perform mid-air refueling without their rotor blades (periodically and accidentally) contacting the drogue or fuel ...