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HelicopterMain Discussion › Big tandem heli
12-28-2009 11:41 PM  7 years agoPost 1
Brokenlink

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Oakdale

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Jamie Griffith

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12-29-2009 12:45 AM  7 years agoPost 2
Furious Predator

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Kitchener, Ontario, Canada

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holly crap, never seen that before.

wonder if its close to the size of the Mil 26.

Shawn
Team Leisure-Tech
Team HelixRC

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12-29-2009 01:36 AM  7 years agoPost 3
Brokenlink

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I don't know if it's that big.

Jamie Griffith

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12-29-2009 01:43 AM  7 years agoPost 4
Swoop

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Newark, DE USA

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Wow that thing has invisible rotors

Chris
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Titan,Kasama,MP5,Radix,JR770
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12-29-2009 03:54 AM  7 years agoPost 5
Ralphw

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Spring, TX

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From Wikipedia:
The Boeing Vertol XCH-62 (Model 301) was a three turbine-engined, heavy-lift helicopter project for the United States Army. Approved in 1971, only one aircraft was built before it was cancelled in 1974. An attempt by NASA to resurrect the program was aborted in 1983.

While the CH-47 Chinook is a large helicopter by American standards, it is dwarfed by the huge Soviet-Russian heavy-lift helicopters designed by the Mil organization, and for a long time Boeing and the US military had an urge to match or top the Mil heavy lifters.

In the late 1960s, Boeing came up with designs for machines with broad similarities to the Sea Knight and Chinook, but about twice the size of the Chinook in terms of linear dimensions. Proposed machines included the "Model 227" transport and the "Model 237" flying crane.

Following award of an Army contract for a prototype of a "Heavy Lift Helicopter (HLH)" in 1973, Boeing did move forward on building an oversized flying crane machine, the "XCH-62". Rotor diameter was to be 28 meters (92 ft), fuselage length 27.2 meters (89 feet 3 inches), and footprint length 49.5 meters (162 feet 3 inches). Its widely-spaced landing gear would allow it to straddle heavy cargoes such as armored vehicles, and still carry twelve troops in its slender fuselage. Boeing also considered selling a commercial version, the "Model 301".

The XCH-62 prototype was in an advanced state of assembly in 1975, being readied for a planned initial flight the next year, when the US Congress cut funding for the program in August. The CH-53E Super Stallion/Sikorsky S-80 was felt to give adequate heavy-lift capability for US forces.

The incomplete XCH-62 prototype (73-22012) was stored at US Army Aviation Museum at Fort Rucker, Alabama. It was to be pulled out of storage in the mid-1980s when the Army, the US National Aeronautics & Space Administration (NASA), and the Defense Advanced Research Projects Agency (DARPA) collaborated on a scheme to finish the XCH-62 for experimental flights. However, Congress declined funding, and it didn't happen.

General characteristics

* Length: 87 ft 3 in (26.59 m) (overall fuselage length)
* Height: 32 ft 3 in (9.83 m) (to top of pylon)
* Empty weight: 59,580 lb (27,025 kg)
* Gross weight: 118,000 lb (53,524 kg)
* Powerplant: 3 × Allison T701-AD-700 turboshaft, 8,080 hp (6,030 kW) each
* Main rotor diameter: 2× 92 ft 0 in (28.04 m)
* Main rotor area: 13,260 sq ft (1,232 m2)

Performance

* Maximum speed: 145 kn (167 mph; 269 km/h) with external load
* Combat range: 150 nmi (170 mi; 280 km)
* Ferry range: 1,500 nmi (1,700 mi; 2,800 km)

Ralph W.
"Life's Short, Fly Fast"

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12-29-2009 07:39 AM  7 years agoPost 6
Scott Anderson

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Enterprise, Al

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The incomplete XCH-62 prototype (73-22012) was stored at US Army Aviation Museum at Fort Rucker, Alabama. It was to be pulled out of storage in the mid-1980s when the Army, the US National Aeronautics & Space Administration (NASA), and the Defense Advanced Research Projects Agency (DARPA) collaborated on a scheme to finish the XCH-62 for experimental flights. However, Congress declined funding, and it didn't happen.
The only time it flew was when a CH-47 sling loaded it in to Rucker. I've seen it in person that thing was a GIANT. It was parked outside next to Yano Hall in a fenced in area with a fixed wings and another experimental CH-47. It was NOT in the museum that i know of I've been living here since 1994. It was moved again back around the mid 2000's not sure where in ended up? However there are many places on post that it could be stored at...matter a fact there are tons of old experiments that were never finished or just used for R&D for future helicopter technology that fill up many hangers and outside storage areas that are gated & restricted to the public i would love to see everything thats in these areas...i did see in one building that had part of a hanger door open "first time i have seen it open since i lived here" i dang neer wrecked the car lol! there was some stuff in there i had never seen before! One heli looked about the size of a OH-6 (hughes 500) with a turbo fan engine mounted on both sides of the fuselage !!!

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12-29-2009 07:51 AM  7 years agoPost 7
Scott Anderson

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Enterprise, Al

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Yano Hall in the background...About a mile from the Aviation Museum. They the FWD rotor head and eight blades, the AFT rotor head was made of WOOD no bs! take a closer look I've seen it there are more photos of it in google images. The two stories i was told, 1. the aft head was lost is storage & shipping when it first came to Rucker. 2. Because of the budget and the project being cut by good ol congress it was never made?

EDIT SAD TO POST THIS

It was demolished in 2005

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12-29-2009 12:56 PM  7 years agoPost 8
Stykz

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Oldham/ England

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No good to me it's not RTF

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12-29-2009 02:48 PM  7 years agoPost 9
hootowl

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Garnet Valley, Pa.

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I sat up inside of that thing and ate my lunch one summer day.... no lie.

10 million to execute the program.
10 million to shut it down.

Your tax dollars at work. All it needed was the drivetrain and engines installed.

Wolves don't lose sleep over the opinions of sheep

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12-29-2009 05:39 PM  7 years agoPost 10
Scott Anderson

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Enterprise, Al

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I sat up inside of that thing and ate my lunch one summer day
Mans that's cool!!! that year and where was it then?
All it needed was the drivetrain and engines installed
Maybe you can answer the questions rumoring the aft head?

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12-29-2009 05:41 PM  7 years agoPost 11
hootowl

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Garnet Valley, Pa.

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That's all I know. Back in the mid 80's it was sitting at the Boeing Helicopter facility in Ridley, Pa. There was an aluminum staircase set up under it. I work there so getting access wasn't a problem. Must have been the time period where they pulled it out of storage and brought it back to Boeing but I never knew it ever left Boeing until the late 80's.

Wolves don't lose sleep over the opinions of sheep

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12-29-2009 05:48 PM  7 years agoPost 12
Scott Anderson

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Enterprise, Al

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wow lucky man, it's cool to sit and chew the fat about stories like this.

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12-29-2009 05:59 PM  7 years agoPost 13
jgunpilot

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Pollock, LA

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The Army Aviation Museum at Ft. Rucker is one the most mis-managed farcical institutions in the US. The director is a do nothing retired COL who is letting museum quality airframes rot in non-climate control out buildings because he's too lazy to make something of the museum.

I've seen some of the history making aircraft that should be on display instead of a whole wing of WWI biplanes. Anyone who boubts my words should visit the Naval Aviation Museum and see what a professionally run museum looks like.

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12-29-2009 06:03 PM  7 years agoPost 14
Brokenlink

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Oakdale

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This link explains about the heads and drive train.
http://www.globalsecurity.org/milit...rcraft/h-62.htm

Jamie Griffith

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12-29-2009 09:03 PM  7 years agoPost 15
Rafael23cc

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Junction City, KS

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Andersons:

Did you see the movie Avatar? I think that what you saw, is used on that movie. At least look at the previews.

Watch at YouTube

Rafael

Edit: Added video

Keep your feet on the ground, but your eyes on the sky.
Team Heliproz.com

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12-29-2009 10:19 PM  7 years agoPost 16
yoshgixxer

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york PA usa

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man that sucks they demoed it!all that money down the drink..

dude..wheres my heli?????ama#902014

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12-29-2009 10:26 PM  7 years agoPost 17
jgunpilot

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Pollock, LA

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I rest my case about the Commissioned Aviator Museum of Mediocrity at Ft. Rucker.

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12-29-2009 11:03 PM  7 years agoPost 18
Brokenlink

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Oakdale

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I agree with jgunpilot.I also have been to Ft. Rucker,and you would not believe some of the helis that are out in some of those outbuildings just wasting away.

Jamie Griffith

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12-30-2009 01:59 AM  7 years agoPost 19
Scott Anderson

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Enterprise, Al

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yep i see them every freakin day

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12-30-2009 05:21 AM  7 years agoPost 20
krashtagain

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ohio

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That looks like a CH 47 with a lift kit

If you're not living on the edge you're just taking up space !

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