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Post Info TOPIC: Lockheed AH-56 Cheyenne


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RE: Lockheed AH-56 Cheyenne
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Army AH-56 model:



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Image doesn't show on my computer...

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Stéphane



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It's a video. Fixed the code...



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That video is very good. Rare too, I should imagine.

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Great video.  Here's some stuff from a AH-56 development slide presentation.  Courtesy of USAAM.

   Ray

 

AH-56%2520devel0006.jpg

 

AH-56%2520devel0019.jpg

 

AH-56%2520devel0025.jpg

 

AH-56%2520devel0042.jpg

 

AH-56%2520devel0043.jpg

 

AH-56%2520devel0044.jpg

 

AH-56%2520devel0047.jpg

 

AH-56%2520devel0061.jpg

 

AH-56%2520devel0065.jpg

 

AH-56%2520devel0066.jpg

 

AH-56%2520devel0125.jpg

 

Pilot seat:

Random0320a.jpg

 

gunner seat:

Random0325a.jpg\

 

Some very rare photos of early tests on the strength of the airframe:

AH-56033_1280x845.jpg

 

AH-56032_1280x862.jpg

 

 



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Gosh! There's only one thing that rivals any of rotorwash's previous posts... a brand new post by him!! Thank you so much Ray.

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Stéphane



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My pleasure.  Good reasearch material should be shared not locked away forever!  Here's you some more random shots.

   Ray

30MM Chain gun that was to be used on the AH-56.  Not much different from what was ultimately used on the AH-64:

30mm%2520chain%2520gun%2520and%2520universal%2520turret002.jpg

 

TOW armed AH-56 photo taken from chase plane at Yuma Proving ground May 22 1971:

AH-56A%2520Yuma%2520Proving%2520Ground%25204-A1-100-56A-022%2520May%25201971034.jpg

 

AH-56 mockup:

Misc%252046.jpg

 

Close up of the 3 missile TOW launcher whihc was very similar to the system used by two UH-1B Hueys in the 1972 Easter offensive at Kantum

PICT0767.jpg

 

A couple of photos of the wind tunnel test bird before the test:

PICT0791.jpg

 

PICT0814.jpg

And after.  Fortunately, one a couple of injuries resulted from this failure:

PICT0803.jpg

 

PICT0784.jpg

 

Finally, here is a summary of the planned flight test program showing the intended use for each pre-production bird:

PICT0808.jpg

 

 



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Thanks for these wonderful rare pictures, Ray!!!!



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Date: Feb 17, 2012
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Damn you, rotorwash! Now I got a load more pics to save and archive and I'm increasingly becoming interested in the Cheyenne. I think we are very lucky to have such a member as rotorwash with us here.

As a side-note, I know the ultimate prize for any fan of this helicopter, my dentist's assistant is quite an attractive girl named Cheyenne! I think of the helicopter every time I see her!



-- Edited by Flyboy on Saturday 18th of February 2012 03:29:07 PM

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Maybe she'd rather you thought of HER when you see the helo... lol

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Stéphane



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Stargazer2006 wrote:

Maybe she'd rather you thought of HER when you see the helo... lol


 Took the words right out of my mouth.



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I doubt it. Anyhow, Leela is the only girl for me! aww



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Rotor schematics scan from Thomas Hanson's book. I have more detailed drawings from manual, not for low resolution pictures, if anybody want them, just ask.



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http://elementsofpower.blogspot.com/2011/07/debunking-close-air-support-myths-part_24.html



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Cool video found by Boxman, a 1966 film about the Honeywell Helmet Sight System:

Quote from his post at SPF:

The film describes the technology being possibly used for "armament, reconaissance, and navigation." Mention is also made of the US Air Force's TACREACT system contract awarded to Honeywell in 1967.*

The footage includes early feasibility tests, including use of rudimentary camera/sight system within the co.ckpit of an F-8 Crusader to see if it was possible for pilots traveling at high-speed to identify and track offset targets. The film then goes into detail on the development of the helmet mounted sight system for the AH-56A Cheyenne attack helicopter, including tests which utilized a UH-1A Huey test-bed. Air-to-air tests of the system are also protrayed, with the system mounted in a Beech Model 18 (N67641, ex-USAAF 41-9503; AT-11, c/n 929).** At the conclusion of the film, future applications for the system are briefly discussed.

*As an aside, the TACREACT system is mentioned in a footnote in Air University Review, Vol. XXV, No. 3, March-April 1974, "Visually Coupled Systems," authored by Lt. Col. Joseph A. Birt (USAF) and Thomas A. Furness III. It is in the context ofthe referenced article, and this passage, "In 1968 the Air Force sponsored a test of air-to-ground navigation/reconnaissance using a similar unit to pinpoint targets." The footnote on page 40 reads "USAF Tactical Air Reconnaissance Center, TACREACT, Tactical Air Command Test 67-118, TAC 7058-01054, Tactical Air Command/TARC, Shaw AFB, South Carolina, January 1968. (Report is CONFIDENTIAL.)" The Air University Review article cited, which is a good read with respect to the history and development of helmet-mounted sights, is attached here for reference.

** And for good measure, that Beech 18/AT-11 is still extant (now registered as N88KD) as an exhibit at the Hangar 25 Museum in Big Spring, Texas.



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