Boeing Vertol alternate HLH proposals and other crane helicopters

From Aviation Week 1/1968, the model 297, called "Chinook Crane" :
 

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But the XCH-62 flew in september 1987 ! ;D ;) ;D
 

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Oh, my...Thanks!!!
 
Thanks for this one I have missed, going to see the same file in another topic but forgetting to check all... Why ???
Concerning this helicopter, I wondered whether there were 2 booms or one asymmetric boom, but as the rotor is not driven from the center but from the tips, there is no torque, so no need of asymmetry, so twin-boom probably, you were very right. ;D
 
Hi,

http://www.flightglobal.com/pdfarchive/view/1970/1970%20-%200086.html
 

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Heavy Lift Helicopter - Prototype Technical Summary Boeing Vertol Co April 1980

Abstract:
This report summarizes the Heavy Lift Helicopter (HLH) Prototype program. The program was designed to demonstrate, in the actual flight environment, the capabilities of HLH components previously developed by Boeing Vertol under the Advanced Technology Components (ATC) effort. Design, fabrication, and assembly of one prototype HLH was 90 percent completed. An advanced aluminum honeycomb airframe, landing gear, and subsystems not included in the ATC effort were designed and fabricated. Limited laboratory tests were conducted to assure airworthiness of the prototype aircraft. Mockups were constructed of the crew compartment and aft area. A description of the aircraft, discussion of the tests conducted, and weight and performance data are presented. A list of references containing detailed documentation of the program is appended.

Handle / proxy Url: http://handle.dtic.mil/100.2/ADA085290
 
Heavy Lift Helicopter - Advanced Technology Component Program - Hub and Upper Controls Boeing Vertol Co September 1977

Abstract:
The Heavy Lift Helicopter Advanced Technology Component (ATC) development program was conducted by the Boeing Vertol Company for the U.S. Army from July 1971 through July 1975. As a part of this program, an advanced rotor hub and upper controls system design was developed and demonstrated to be satisfactory for application to the XCH-62 Prototype HLH. The ATC hub and upper control component development/demonstration activities included the flap/lag pitch elastomeric bearing, frequency selective lag damper, and shear bearing development efforts; manufacturing techniques development; fretting inhibitor evaluation; safe-life, fail-safe, and endurance testing of major hub and upper control components; whirl tower tests; and integrated rotor-drive system tests.
Handle / proxy Url: http://handle.dtic.mil/100.2/ADA051348
 
Heavy Lift Helicopter - Advanced Technology Component Program - Rotor Blade Boeing Vertol Co September 1977

Abstract:
This report reviews the development of the Model 301 Heavy Lift Helicopter rotor blade. It describes the design, structural analysis, testing, and manufacturing process of the HLH rotor blade

Handle / proxy Url: http://handle.dtic.mil/100.2/ADA053423
 
From the 1980 file (first of the three threads):
 

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Artist's concept of the tandem rotor, three-engined, commercial version of the US Army's HLH, the Boeing-Vertol Model 301. The Model 301 could lift 35 tons at a time. It could be used to speed heavy construction work such as the transport and placing of huge bridge sections or precast concrete walls.

Source: "World's Heaviest Lifting Helicopter" Popular Mechanics September 1974
 

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Artist's concept of Boeing Vertol XCH-62.

Source: Stepniewsk, Wieslaw; Keys, CN. Rotary-Wing Aerodynamics Dover 1979.
 

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I'm sad to hear that the XCH-62 mockup was destroyed... I guess it was way too cumbersome for such a small piece of aviation history... though it could have been a milestone of Army aviation had it not been canceled.
 
Print of artist's impression of Boeing-Vertol Model 297 Chinook Crane found for sale on eBay.

Description:
This auction is for an official Boeing print from a photo negative slide of a concept illustration of a HLH or Heavy Lift Helicopter. It measures 11" X 8 1/2". This is a match to a negative I am also listing today and is probably the source for this print. This is one of many prints and color negatives from the estate of a Boeing engineer I will be listing in the coming days. Many are labeled as having been used in various "presentations to the Board of Directors" from the late 60's to early 70's and are in cardboard frames, some are not. This one is labeled CHINOOK CRANE BOEING-VERTOL MODEL - 297 on the bottom front and is stamped RECEIVED OCT 26 11:50 AM '67 OFFICE OF DIRECTOR OF RESEARCH on the back along with a hand written note that says There is a model 299- but its so new they don't have pictures yet.

URL: http://cgi.ebay.com/Heavy-Lift-Helicopter-Official-Boeing-Concept-Print-NR_W0QQitemZ330393034490QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item4cecf59efaLoading...
 

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Barrington Bond said:
Does this belong here?!

Flug Revue+Flugwelt International 10/1969

Well, yeah, this depicts the ill-fated XCH-62A (HLH program) which was canceled before completion of the prototype. So both programs were connected from a technological viewpoint.
 
Does anyone know if Boeing or the US Army considered any names for the XCH-62? Perhaps names of other Native American tribes or Native Americans in/from Washington state?
 
Never heard of any. But if you consider the way the Army wasted beautiful names like Comanche or Cheyenne on canceled programs, it is likely that they prefer to hold on to the names until a program goes full fling. Most recent case was the H-70, which they finally named the Arapaho months into the program's progression... only to find it canceled.
 
Names have been reused in other services with the addition of Roman numerals, why not in United States Army Aviation? There are also other Native American tribes and peoples and helicopters have been named for Native American leaders. I don't believe that the US Army will run out of names anytime soon.
 
ISTR that the aircraft's role influences the name chosen, in that,
for example, an attack helicopter wil have the name of a warlike nation,
eg Apache, Comanche, Cheyenne, etc., whereas a rescue helo, or a
utility aircraft will have the name of a peaceful nation, eg Seminole,
or Chickasaw...


cheers,
Robin.
 
The UH-60 is named after Black Hawk, an Indian chief, not Blackhawk, as the Indian tribe as the S-67, often confused......

Triton said:
The Sikorsky CH-54 Tarhe was named for Tarhe (1742–1818) a leader of the Wyandot people in the Ohio country. He fought European-American expansion into the region until the Western Indian Confederacy was defeated at the Battle of Fallen Timbers in 1794.

Sources:
http://en.wikipedia.org/wiki/Tarhe
http://en.wikipedia.org/wiki/CH-54_Tarhe
 
Boeing XCH-62 model found on eBay. Manufacturer of the model is unknown.

[link no longer active]

Description:
UP FOR BID WITH "NO RESERVE" IS AN ULTRA RARE DESK MODEL OF THE HUGE EXPERIMENTAL HLH ( HEAVY LIFT) ARMY HELICOPTER CONCEIVED BY BOEING IN THE LATE 1970'S BUT WHICH NEVER FLEW OFF THE GROUND. THIS DESK MODEL WAS MADE FOR BOEING POSSIBLY BY TOPPING OR ROLEN AND DISTRIBUTED TO ARMY GENERALS AT THE PENTAGON.

THE MODEL IS IN PRISTINE CONDITION WITH NO MISSING PARTS THAT I CAN TELL NOR ANY CRACKS OR GLUED AREAS ANYWHERE. IT'S AWESOME TO LOOK AT AS IT IS DIFFERENT THAN OTHER HEICOPTERS WE ARE ACCUSTOMED TO SEE AROUND US.

THE MODEL IS LIKE NEW AND IS IN EXCELLENT CONDITION EXCEPTING A COUPLE OF MINUTE CHIPS OFF THE DECALS AND COMES WITH 4 ROTOR BLADES AND A BLACK PLASTIC STAND. NOT SURE IF THE MODEL IS MADE OF PLASTIC OR FIBERGLASS, EITHER WAY IT'S AN OUTSTANDING MODEL TO OWN AND ADD TO ANY HELICOPTER COLLECTION. THIS ONE WAS PURCHASED ALMOST 20 YEARS AGO FROM A GOOD FRIEND PILOT (DECEASED)WHO CAPTAINED A GOLDEN DC9 OWNED BY THE LATE MALCOLM FORBES.

THE MODEL STANDS ABOUT 5 INCHES HIGH AT IT'S TAIL, APPROXIMATELY 4 INCHES WIDE AT IT'S WIDEST BODY SECTION CARRYING THE REAR WHEELS AND IS APPROXIMATELY 11 INCHES LONG. THE SCALE IS PRINTED ON THE STAND'S DECAL AS 1/96TH. A REAL GEM OF A MODEL AND VERY VERY UNUSUAL. I HAVE NOT SEEN ANOTHER ONE LIKE IT IN MY 35 YEARS OF COLLECTING HELIS EXCEPTING ONE (1) EXAMPLE AT THE HELICOPTER MUSEUM IN VIRGINIA.
 

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Boeing XCH-62 model found on eBay. Manufacturer of the model is unknown.

[link no longer active]
 

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Dear Boys and Girls, here is a little feature on the plans for a Boeing-Vertol HLH "project" alongside a Boeing tilt-wing "project"......

The HLH has three turboshaft engines located in front of the rear rotor pylon and a faired or "trousered" main undercarriage......

The feature comes from the 1st September 1969 issue of Aviation Magazine International......

(Moderators, should I be posting this here or on http://www.secretprojects.co.uk/forum/index.php/topic,565.0/highlight,hlh.html ?)

Terry (Caravellarella)
 

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Cool painting of the HLH, one of my pet helo projects! Thanks for sharing.

Second image is well-known and depicts the LIT (Light Intratheater Transport) which is discussed elsewhere on this forum.
 
Hi,

more info about the BV.166 helicopter project.
 

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Stargazer2006 said:
Cool painting of the HLH, one of my pet helo projects! Thanks for sharing.

Stéphane, here is a picture from the year before of another version of the Boeing-Vertol HLH design......

The picture comes from the 1st September 1968 issue of Aviation Magazine International......

Terry (Caravellarella)
 

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Greetings All -

http://cgi.ebay.com/BOEING-XCH-62A-Army-Crane-Helicopter-Photo-Vintage-/270759565983?pt=LH_DefaultDomain_0&hash=item3f0a871a9f

Enjoy the Day! Mark
 
Seller's description:
BOEING XCH-62A Prototype Giant Helicopter Photo Print. Neat Old Print .Printed on Photographic paper MECOM 73 stamped on back Measures "11x "14 would look awesome framed. Assume all the signatures are from BOEING engineers at the plant. This thing was a true GIANT. Max gross over 110,000 over 24,000 hp of engines. 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) 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) The Boeing Vertol XCH-62 (Model 301) was a three turbine-engined, heavy-lift helicopter project designed for the United States Army by Boeing Vertol. 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.
 

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Artist's impression of Boeing-Vertol XCH-62A.

Source:
http://www.anigrand.com/AA4062_XCH-62.htm
 

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Photographs of Boeing-Vertol XCH-62.

Sources:
http://www.globalsecurity.org/military/systems/aircraft/h-62-pics.htm
http://cavok.com.br/blog/?p=2080
http://nhungdoicanh.blogspot.com/2010/12/boeing-vertol-xch-62.html
http://kr.blog.yahoo.com/acftacft/2997
 

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Artist's impression of Boeing-Vertol XCH-62.

Source:
http://www.super-mystere.net/ci020/planche/pages/38.htm
 

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