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Lockheed AH-56 Cheyenne
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This beauty deserves a topic!1

ah56a-lc1.jpg



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damn, that's a cobra fused with a jet, nice smile



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More at Stingray's rotorcraft spectacular...

https://sites.google.com/site/stingrayslistofrotorcraft/lockheed-ah-56-cheyenne



-- Edited by Stingray on Wednesday 29th of April 2020 11:55:40 PM



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Speaking of which, has anyone seen the following proposed derivatives before?

(From Dronte)

-Navy's combat rescue

-Twin engine

-Marines "twin pack" engine version

(source: Warbirdtech Series Volume 27-AH56 Cheyenne)



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XMH-4M project by Mitsubishi Heavy Industries

mitsubishian.jpg



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555


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Source?



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I love this forum. biggrin

Who knew Japan proposed a civil varaint of the Cheyenne?



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555 wrote:

Source?


 

http://www.geocities.co.jp/Technopolis/2415/sato.html



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-airfoil- wrote:

I love this forum. biggrin

Who knew Japan proposed a civil varaint of the Cheyenne?


 

From boxkite:

Lockheed's proposed commercial version of the AH-56. (SOURCE: Hellman: Helicopters and other VTOLs, Garden City, N. Y., 1970).

And also see this 3-view GIF of the CL-1026:



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Darrell, you posted one of the Cheyenne variations in the unbuilt Lockheed thread:

http://stingraysrotorforum.activeboard.com/forum.spark?aBID=126840&topicID=26406080&p=3&page=1

According to Jens, this is an ASW proposal. From Aviation Week 1965 9-17.

http://www.flightglobal.com/pdfarchive/view/1965/1965%20-%200875.html



-- Edited by Stingray on Monday 4th of April 2011 07:28:40 PM



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Also from Jens:



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Stingray wrote:

Darrell, you posted one of the Cheyenne variations in the unbuilt Lockheed thread:

http://stingraysrotorforum.activeboard.com/forum.spark?aBID=126840&topicID=26406080&p=3&page=1

According to Jens, this is an ASW proposal. From Aviation Week 1965 9-17.


 

How 'bout that? I had no idea it was a AH-56 derivative.



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http://www.flightglobal.com/airspace/media/experimentalaircraftcutaways/images/9331/lockheed-ah64a-cheyenne-cutaway.jpg

lockheed-ah64a-cheyenne-cutaway.jpg



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Thanks to Triton:

AH-56 Cheyenne armament

XM51

A nose turret with one M129 40 mm grenade launcher with 300 rounds. In light of the failure of the AH-56 was proposed as a replacement for the M5 system on the UH-1 helicopter. Designed to be interchangeable with the XM53.


XM52

Belly turret with a single XM140 30 mm cannon. Use on other helicopters was also debated.


XM53

A nose turret with one XM196 7.62x51 mm machine gun. Also said to be suitable for the UH-1 series of helicopters. Designed to be interchangeable with the XM51.

http://en.wikipedia.org/wiki/U.S._Helicopter_Armament_Subsystems
http://tri.army.mil/LC/CS/csa/aaarmsy2.htm#XM51



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Wow... thanks for all that!



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From Terry:

Lockheed CL-1026 Cheyenne commercial derivative project model - Aviation Magazine International No. 471 - 15 Juillet 1967...

http://img852.imageshack.us/img852/7276/lockheedcl1026cheyennec.jpg

Lockheed CL-1090 Cheyenne commercial derivative project - Aviation Magazine International - No. 503 - 1 D�cembre 1968...

http://img593.imageshack.us/img593/4845/lockheedcl1090cheyennec.jpg

Lockheed rigid-rotor & convertible helicopter projects - Aviation Magazine International - No. 485 - 15 F�vrier 1968...

Dear Boys and Girls, here is a article in French about Lockheed's rigid rotor derivatives of the Lockheed AH-56 Cheyenne. Illustrated are the "projects" for the Lockheed CL-1026 30 passenger compound helicopter and the Lockheed CL-879 90 passenger compound helicopter (together with a picture of the CARR Retractoplane CL-945 "project")......

The picture comes from the 15th February 1968 issue of Aviation Magazine International......

Terry (Caravellarella)

http://img84.imageshack.us/img84/9998/lockheedrigidrotorconve.jpg



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they should have gone through with putting it into service



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http://www.secretprojects.co.uk/forum/index.php/topic,941.msg122480.html#new

See Imageshack links for pictures:

http://img709.imageshack.us/img709/5504/lockheedah56acheyenneco.jpg

http://img830.imageshack.us/img830/5504/lockheedah56acheyenneco.jpg

http://img594.imageshack.us/img594/5504/lockheedah56acheyenneco.jpg

 

Dear Boys and Girls, here is an article in French describing the Lockheed AH-56A Cheyenne helicopter and its rigid-rotor; though by this stage it is obviously not a "project"......

The article comes from the 1st July 1967 issue of Aviation Magazine International......

Terry (Caravellarella)



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555


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http://www.secretprojects.co.uk/forum/index.php/topic,941.210.html

Dear Boys and Girls, here is a picture with a caption in French of the "projectedLockheed Air Commuter passenger derivative of the Lockheed AH-56 Cheyenne......

The picture comes from the 15th December 1966 issue of Aviation Magazine International......

Terry (Caravellarella)......



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From Triton:

"The Cheyenne" episode from the Project: Cancelled television series.

 



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In 1967 NASA proposed a VTOL version of the Lockheed Model 18 Lodestar that would be equipped with the engine, transmission and tailrotor of an AH-56 Cheyenne. The blades would be compact and able to fold backward.



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Posted Image

Posted Image 



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Something went wrong with the pics so I'll attach them instead.



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Ah the AH-56.  My favorite helo that never entered service.  Here's a bit more Cheyenne goodness from teh US Army Aviation Museum archives. 

    Ray

4442.jpg

4445.jpg

4446.jpg

4443.jpg

6766.jpg



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beleive it or not but i have a picture of the civil variant of the cheyenne in one of the magazines i got from my pop, and these magazines also have a whole buch of rotorcraft listings, gunships, gyros, transports and civil helicopters

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scorpio213 wrote:

beleive it or not but i have a picture of the civil variant of the cheyenne in one of the magazines i got from my pop, and these magazines also have a whole buch of rotorcraft listings, gunships, gyros, transports and civil helicopters


 I'd be anxious to see this one!



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scorpio213 wrote:

beleive it or not but i have a picture of the civil variant of the cheyenne in one of the magazines i got from my pop, and these magazines also have a whole buch of rotorcraft listings, gunships, gyros, transports and civil helicopters


 

Please share with us if you can. The civil CL-1026 proposal can also be found toward the top of this page.



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Manufacturer's display model of a Navy AH-56:



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Air Force AH-56 model:



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