Search results
Results from the WOW.Com Content Network
The PT6 consists of two basic sections: a gas generator with accessory gearbox, and a free-power turbine with reduction gearbox. In aircraft, the engine is often mounted "backwards," with the intake at the rear and the exhaust at the front, so that the turbine is directly connected to the propeller.
Template: Aircraft gas turbine engine components. ... Download QR code; Print/export Download as PDF; Printable version; In other projects
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 ...
Both engines allow the Moose to take off in roughly 180 m (600 ft). At least one owner has equipped their aircraft with a Pratt & Whitney Canada PT6A-20 turboprop engine [ 2 ] [ 3 ] [ 4 ] and another builder has installed a 460 hp (343 kW) General Motors LS3 V-8 engine.
A free-turbine turboshaft is a form of turboshaft or turboprop gas turbine engine where the power is extracted from the exhaust stream of a gas turbine by an independent turbine, downstream of the gas turbine. The power turbine is not mechanically connected to the turbines that drive the compressors, hence the term "free", referring to the ...
The engine mounted on the nose could be shut off, decreasing the speed to 180 mph (160 kn; 290 km/h) and increasing the range of the aircraft. It was used by Polair and Maritime Patrol and Rescue . [ citation needed ] It was fitted with skis for use in polar regions and flew in the North Pole region out of Resolute Bay Airport in Canada.
Maintenance on the PT6 series is simplified because the free turbine section can be removed while leaving the gas generator etc. in place. I gather this is made possible by the fact that it is a free turbine design.
The PT6 uses a "free turbine" that acts as a torque coupler, so the new design did not require a transmission and was able to drive the powered wheels directly. The power cars had three engine bays on either side of the car and could mount engines in pairs for two to six turbines, depending on the needs of the carrier. [4]