Questions tagged [ch-47]

The Boeing CH-47 Chinook is an American twin-engine, tandem-rotor, heavy-lift helicopter developed by American rotorcraft company Vertol and manufactured by Boeing Vertol.

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5answers
11k views

What would the reason be for this helicopter maneuver?

At 4:30 in this YouTube video, a Chinook traverses the runway on its rear wheels. The text on the video lists "Emergency landing and take-off". Is there any reason for the pilot to do this other than "...
16
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3answers
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What are the differences between the CH-46 and the CH-47?

The CH-46 and the CH-47 Chinook are very similar-looking aircraft and seem to serve similar purposes - only though for different branches of the U.S. military. What are the differences between the CH-...
16
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2answers
5k views

Are there any reported cases of noise from helicopters causing damage to property?

In the Netherlands, three cases have been reported of Chinook helicopters' rattle noise (low frequency sound) damaging solar panels. The Dutch defense ministry recognises this problem and the lawyer ...
14
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1answer
2k views

What are these engine inlet devices used for?

While looking at the Boeing Chinook CH-47 for this question, I noticed the screens in front of the engines, and found similar devices in other photos: Source: left -- right What are these devices ...
14
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1answer
3k views

What are these sensors on the Night Stalkers' Chinook MH-47G?

What are these sensors (or lights) on this heavy assault Chinook MH-47G of the US 160th Special Operations Aviation Regiment, "Night Stalkers"? Source, picture by Russell Hill This regiment was the ...
12
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2answers
4k views

What is this helicopter (and probe) in the film “Act of Valor”?

In the film Act of Valor, two helicopters are used to airdrop troops and their boats onto a river. (Clip here.) Firstly can you identify the aircraft? Second, what is the extremely long probe on the ...
10
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1answer
3k views

What kind of Chinook helicopter/airplane hybrid is this?

I had this question: Could this helicopter's body be a flying wing? and this picture came up. What kind of helicopter is this? What is the extra wing for?
9
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2answers
536 views

How do CH-47 pilots lower the tail during a pinnacle landing?

(thedrive.com) Given the recent rescue of a climber on Mt. Hood by a Chinook, how are the pilots able to lower the tail in this situation? Is this just the natural angle during a hover, or are there ...
3
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2answers
244 views

Does a dual-rotor helicoptor like the Chinook transition from hover to forward flight differently than a single rotor helicopter?

I watched this video of an RAF Chinook taking off vertically and transitioning to forward flight. I'm curious if the method for increasing lift to move forward, controlled by the cyclic in a single ...
0
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3answers
897 views

Would a Chinook helicopter fly better with contra-rotating along with counter-rotating propellers?

Would a Chinook perform better or have any advantage with dual contra-rotating propellers over a Chinook with just normal counter-rotating propellers?
-1
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2answers
431 views

Could a BV-347 be upgraded by extending the wings?

The CH-47 Model 347, also referenced as BV-347, was a helicopter that utilized a wing for forward flight and to carry external payloads. Could the wings be extended and engines on the rear rotor ...