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CV-7 / C-8A Buffalo / DHC-5
The DeHavilland CV-7 Buffalo was the turbine powered successor to the CV-2 Caribou, and the Buffalo was originally named the Caribou II. The Army gave the aircraft the designation AC-2, which became CV-7A in 1962, and the C-8A when it was transferred from the Army to the Air Force in 1966. Note the T tail, engines, and wing shape which distinguishing the Buffalo from the Caribou. The wings are high-mounted, straight from body to engines, and equally tapered outboard of engines to the blunt tips. Two turboprops are mounted under the wings’ leading edges. The fuselage is slab-sided with solid, rounded nose and a stepped cockpit. The tail fin is slightly swept-back and tapered with square tip. Flats are equally tapered with blunt tips and high-mounted on the fin forming a T.
In May 1962 the US Army invited twenty-five aircraft manufacturers to submit plans for a new STOL (Short Take-Off and Landing) tactical transport capable of carrying the same tactical loads as the Boeing Vertol CH-47 Chinook helicopter. deHavilland Aircraft of Canada Ltd. won the competition with this improved version of the CV-2, featuring an enlarged fuselage, turbine power, and increased payload capacity. In late 1965 the US Army proposed the procurement of 120 Buffalos. The US Air Force viewed this initiative as a duplication of their C-123 Provider, and Secretary of Defense McNamara ruled further procurement of the Buffalo in December of 1965. Commercial production of the Buffalo ended in December of 1986 after some 126 aircraft had been delivered to various worldwide customers.
The Buffalo was used to fly artillery, trucks, troops and supplies into short strips of unprepared land. The Buffalo accommodates payloads of over five tons. The military version can carry 41 fully equipped troops or 35 paratroopers. For evacuation purposes, 24 litters and 6 seats can be carried. The commercial version seats 44 passengers. Its general dimensions coupled with a rear-loading door and adjustable ramp facilities, permits fast loading and unloading of bulky cargoes, vehicles and machinery.
NASA Ames Research Center's C-8A Buffalo Augmentor Wing Jet-STOL research aircraft is an extensively modified version of a high-wing, high-tail, turboprop Buffalo military transport manufactured by deHavilland, Ltd., of Canada, and designated NASA 716. It was used to study the design and operational characteristics of jet-STOL aircraft using split-flow turbofan engines to provide both propulsive and augmentor wing jet flows for increased powered-lift. The Quiet Short-Haul Research Aircraft (QSRA) is a flight research facility for investigating terminal area flight operations. The aircraft is a highly modified De Havilland C-8A Buffalo consisting of a new swept, supercritical wing and 4 YF-102 geared, high-bypass-ratio turbofan engines mounted in an "over-the-wing" installation. Upper surface blowing is used to generate high-lift coefficients to provide low approach speeds and steep approach path angles.
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DeHavilland CV-7 Buffalo - aircraft |
