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In February 2010, the Bell 47 type certificates were transferred to Scott's Helicopter Services. [7] The sister company that was formed, Scott's - Bell 47 , is in the process of starting production of a turboshaft powered version of the Bell 47, the 47GT-6, using a Rolls-Royce RR300 engine and with composite rotor blades, with deliveries ...
In March 2013, the engine was named as the power plant for the new Scott's Bell 47GT-6. The 47GT-6 will be based upon the 47G-3B-2A type design and produced by Scott's Bell 47, the current holder of the Bell 47 type certificate. [3] FAA type certification for the RR300 was achieved in February 2008. [4]
Turboshaft engine with a maximum and normal power rating of 2,200 and 1,850 shp (1,640 and 1,380 kW) and a pressure ratio of 6:1; high-speed version of the T55-L-3 [21] allowed for use on the Chinook instead of the geared YT55-L-3 engine due to August 1958 engine contract modification, with the reduction gearing now provided in the helicopter ...
The Bell 47J Ranger is an American single-engine single-rotor light helicopter manufactured by Bell Helicopter. It was an executive variant of the highly successful Bell 47 and was the first helicopter to carry a United States president.
These studies culminated in the testing of the first prototype engine, designated YT63-A-3, in April 1959. [1] In 1960, the US Army settled for a rotary wing platform. The YT63-A-3 first flew in a variant of the Bell 47 helicopter in 1961. A modified version of the engine (YT63-A-5) with the exhaust pointing upwards (to avoid grass fires) soon ...
The newest helicopters are a heavy-duty complement to Cal Fire’s fleet of 34-year-old UH-1H Super Huey helicopters, also military surplus. The Fire Hawks are able to dump more than two-and-a ...
The Bell 407 is a four-blade, single-engine, civil utility helicopter. A derivative of the Bell 206L-4 LongRanger, the 407 uses the four-blade, soft-in-plane design rotor with composite hub developed for the United States Army's OH-58D Kiowa Warrior instead of the two-blade, semi-rigid, teetering rotor of the 206L-4.
The Sioux is a single-engine single-rotor three-seat observation and basic training helicopter. In 1953 the Bell 47G design was introduced. It can be recognized by the full "soap bubble" canopy (as its designer Arthur M. Young termed it), [7] exposed welded-tube tail boom, saddle fuel tanks and skid landing gear.