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Aviation History
1950
1950 - 0193.PDF
FLIGHT. 26 January 1950 Transports • • g prt J(t upper left is the llyushin 11-12 of the type used for the dropping of Russian paratroops. Below it is the French N»C> 211 Cofmoran and a model of the projected Piasecki XH-16 helicopter, with a fuselage as large as the Sky- dl t O th iht th Ci Ai H Piki HRP2 d Sikk H19 The twin-engined transport h Fh NC 21 C master's having an undercarriage which retracts into the fuselage. A non-retractable, track-type gear, skis or floats are alternative installations. « Of the larger American "strategic" types, the Boeing C-97 family merits special consideration by# virtue of high ' performance, great capacity and near relationship to the civil Stratocruiser. The latest C-97A carries up to 53,000 lb of cargo, or 134 troops with combat equipment; alter- natively, as an ambulance, it accommodates 83 litter patients, four attendants and 2,800 lb of medical supplies. Under'the tail is a ramp for the loading, to the upper deck, of vehicles or equipment. A specially developed1 delivery system permits the dropping of 25,500 lb of supplies through the rear hatch in under thirteen seconds. A derivative of the Douglas C-74 Globemaster, operated over the Atlantic in support of the Berlin Air Lift, the new C-124 Globemaster II is designed to fly a load of about 50,000 lb for 850 miles, unload and return to base without refuelling. The fuselage provides more than 10,000 cu ft of usable cargo space, the cabin being nearly 13ft high and 77ft long. Clamshell nose doors and a built-in ramp facilitate loading. For troop transport the interior can be converted into a double-deck cabin with a capacity of 200 men with equipment. Even more spacious is a projected development of the Convair XC-99, intended to lift 100,000-lb payload on the trans-Atlantic run, or 116,000 lb over shorter distances. Using major components of the B-36 bomber, it will have Pratt and Whitney Wasp Major engines and two decks, the s upper pressurized for troops or hospital cases, and the I" lower—for cargo—unpressurized. Though vulnerable to ground and air action, helicopters hold great promise not only as aerial cranes, or pantech- pj p g g y compartment. On the right are the Cierva Air Horse, Piasecki HRP-2 and Sikorsky H-19. nicons, but as weapons of assault, carrying shock troops with their specialized armament. Britain's 17,500 lb Cierva Air Horse, with a single Rolls-Royce Merlin engine, is the forerunner of a larger and much improved type, known as the W.11T, for which either two Merlins or two Dart turbo- prop units are foreseen. Designed gross and empty weights are, respectively, 15,350 lb and 9,650 lb, and the cabin volume 1,200 cu ft, as against the 800 cu ft of the Air Horse. Cruising at 128 m.p.h., a range of 440 miles should be attainable. The Piasecki XH-16, being developed for the U.S. Navy, Army and Air Force, is forecast to attain the longest range ever achieved by a helicopter, and is notable for its exceptionally large dimensions. The fuselage will be of the same general shape and dimensions as that of the four- engined Douglas Sk^master and, additionally, provision is being made for a large, detachable, underslung pannier. Two types of undercarriage will be provided, the shorter for use with the normal fuselage only. With the taller gear the machine will be operated either with the pannier, or, without it, as a flying crane. Another noteworthy American project is the Doman HC-3, transportable bodily by a Fairchild C-120 Packet and designed to carry a 6,600-lb load for no miles, or 1,300 lb for 1,400 miles. As a flying crane it could lift a 12,000-lb object for a short distance; troop capacity would be 33. Interest in assault and cargo gliders is at a low ebb, de- velopment resources having largely been transferred to powered aircraft intended to meet similar requirements. In some instances, these themselves are closely related to gliders; the French Castel Mauboussin CM. 100, for instance, is a direct development of the unpowered CM. 10, now in limited production for the French Air Force.
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