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The Rotax 914 is a turbo-charged, four-stroke, four-cylinder, horizontally opposed aircraft engine with air-cooled cylinders and water-cooled cylinder heads.It is designed and built by the Austrian company BRP-Powertrain, owned by Bombardier Recreational Products (BRP), as part of its Rotax brand.
Wards 10 Best Engines is an annual list of the ten "best" automobile engines available in the U.S. market, that are selected by Wards AutoWorld magazine. The list was started in 1994 for model year 1995, and has been drawn every year since then, published at the end of the preceding year.
GA-ASI's design is larger than the Sea Avenger and is powered by the Pratt & Whitney PW815 high-bypass turbofan, the same engine used on the Gulfstream G600. Generating 16,000 lb (7,300 kg) of thrust, it is four times more powerful than the Predator C's PW545B turbofan, [31] and the most powerful engine used by any Stingray competitor. [32]
The engine runs on a mixture of unleaded auto fuel and oil. [1] [2] Producing 22 hp (16 kW) at 6600 rpm, the G-25 competed in the early 1980s ultralight powerplant market against the similar Rotax 277. Production of the engine was completed in the late 1980s and today only used engines and parts are available. [1] [2]
The Reaper has a 950-shaft-horsepower (712 kW) turboprop engine (compared to the Predator's 115 hp (86 kW) piston engine). The greater power allows the Reaper to carry 15 times more ordnance payload and cruise at about three times the speed of the MQ-1.
It was also to develop a variant with two Lycoming O-360-A1G6 engines of 180 hp (134 kW) each and a re-designed cockpit, it was designated the TB 360. The first Tangara was a modified Cougar, had 160 hp (119 kW) engines and first flew in mid-1996. The complete Tangara prototype was also a converted Cougar and had the 180 hp (134 kW) engines.
The Rotax 912 was first sold in 1989 in non-certificated form for use in ultralights and motorgliders. [3]The original 60 kW (80 hp) 912 UL engine has a capacity of 1,211 cc (73.9 cu in) and a compression ratio of 9.1:1, and is designed to work with regular automotive gasoline, with up to 10% ethanol.
The Honeywell TPE331 (military designation: T76) is a turboprop engine. It was designed in the 1950s by Garrett AiResearch, and produced since 1999 by successor Honeywell Aerospace. The engine's power output ranges from 575 to 1,650 shaft horsepower (429 to 1,230 kW). [2] [3] [4]