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The Sikorsky S-76 is a medium-size commercial utility helicopter designed and produced by the American helicopter manufacturer Sikorsky Aircraft. It is the company's first helicopter specifically developed for the civilian market. The S-76 was developed during the mid-1970s, originally being designated S-74 but renamed in honor of the U.S ...
The S.76 uses a 4-cylinder engine, with a displacement of 28,353 cm 3 (1,730.2 in 3) (190 mm × 250 mm)(7.48in x 9.84in), providing 290 metric horsepower (210 kW) at 1400 rpm, 4 valves (3 valves the airship engine) starting with trembler coil, 2 spark plugs per cylinder (3 spark plug the aeroship engine), ignition with high voltage magneto BOSCH type DR4/4, and water cooling.
Download as PDF; Printable version; ... Able Experimental Aircraft Engine Co. [6] (Able Experimental Aircraft Engine Co., ... (BMW Conversion) Advanced Engine Design ...
Larger engines have mostly retained the non-free design, although many are two-shaft designs where the 'power' turbine drives the propeller and the low-pressure compressor while the high-pressure compressor has its own turbine. The first free-turbine gas turbine engine was the Bristol Theseus turboprop. [8]
English: An overlay diagram showing five of the largest airplanes ever built, the Hughes H-4 Spruce Goose (airplane with the greatest height), the Antonov An-225 Mriya (the largest airplane), the Boeing 747-8 Intercontinental (the largest version of the Boeing 747 Jumbojet), the Airbus A380-800 (the largest passenger airplane), and the Scaled Composites Stratolaunch (airplane with the greatest ...
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The Turbomeca Arriel is a series of French turboshaft engines that first ran in 1974. [1] Delivering 650 to 1,000 hp (480 to 750 kW), over 12,000 Arriel engines have been produced from 1978 to 2018, logging more than 50 million flight hours for 40 helicopter applications.
The use of a T-tail on the Model 76 met with mixed critical reception when the aircraft was introduced. Plane & Pilot pronounced: "Outstanding design characteristics of the new Duchess include an aerodynamically advantageous T-tail, which places the horizontal surfaces above the propeller slipstream for better stability and handling.", [10] while Gerald Foster said: "[Beechcraft's] interest in ...