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The Pratt & Whitney Canada PT6 is a turboprop aircraft engine produced by Pratt & Whitney Canada.Its design was started in 1958, it first ran in February 1960, first flew on 30 May 1961, entered service in 1964, and has been continuously updated since.
Congress only approved the purchase when it was assured that a U.S. source would be found for the PT6T engines. This source was Pratt & Whitney Engine Services in Bridgeport, West Virginia, which was established in 1971 to assemble and test new T400-WV-402 engines. As a result, the U.S. military ordered 294 Bell 212s under the designation UH-1N ...
The Conroy Tri-Turbo-Three was a Douglas DC-3 fitted with three Pratt & Whitney Canada PT6A turboprop engines by Conroy Aircraft; the third engine was mounted on the nose of the aircraft. Design and development
The F406 Caravan II is a twin turboprop engined, fourteen-seat low-wing monoplane of conventional aluminium (airframe) and steel (engine internal parts, exhaust, landing gear) construction. It is a development of the Cessna 404 Titan with two Pratt & Whitney PT6A turboprop engines.
AT-401A - AT-401 with PZL-3S engine. One built. [2] AT-401B-Improved revision of AT-401, with revised wingtips and further increased span (51 ft 1¼ in (15.57 m)). 69 built by December 2001. [2] AT-402 - AT-401 with Pratt & Whitney Canada PT6A-15 engine. [3] 68 built. [2] AT-402A - low cost version of AT-401B, with Pratt & Whitney Canada PT6A ...
Power was to be supplied by four Pratt & Whitney Canada PT6A-65R turboprop engines driving five-bladed Hartzell Propeller constant speed reversible propellers. [1] Production facilities were constructed at Youngstown Municipal Airport in Youngstown, Ohio but the project was shelved in 1983 before its first flight. [5]
The last variant, in 1998, was the PZL-106BTU-34 Turbo Kruk, with a Pratt & Whitney PT6A-34AG engine. Both turboprop variants have a taller tailfin, and the BTU-34 differs again with a restyled nose, a bigger fuel tank (780 L), a revised cockpit layout, and improved performance.
The engine was first run in August 1967 before being test flown on an Avro Canada CF-100 Canuck in an underslung external test pod. [3] In 1975 a unique over-wing installation in place of Pratt & Whitney Canada PT6 turboprops was fitted to a Beechcraft Super King Air and flown for 93 hours to investigate the use of turbofan engines on that ...