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  2. Bell 47 - Wikipedia

    en.wikipedia.org/wiki/Bell_47

    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 ...

  3. Boeing CH-47 Chinook - Wikipedia

    en.wikipedia.org/wiki/Boeing_CH-47_Chinook

    The helicopter was unable to be recovered and was destroyed in place. [63] [64] To compensate for the loss, the ADF added two ex-U.S. Army CH-47Ds to the fleet which are expected to be in service until the introduction of the CH-47Fs in 2016. [65] A Boeing CH-47 Chinook at Campbell Army Airfield on 7 August 2012 delivering two Humvees by sling load

  4. Bell 47J Ranger - Wikipedia

    en.wikipedia.org/wiki/Bell_47J_Ranger

    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.

  5. Rolls-Royce RR300 - Wikipedia

    en.wikipedia.org/wiki/Rolls-Royce_RR300

    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]

  6. Fuel economy in aircraft - Wikipedia

    en.wikipedia.org/wiki/Fuel_economy_in_aircraft

    The fuel economy in aircraft is the measure of the transport energy ... Average fuel burn of new aircraft fell 45% from 1968 to 2014, a compounded annual reduction 1. ...

  7. Allison Model 250 - Wikipedia

    en.wikipedia.org/wiki/Allison_Model_250

    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 followed. This version, rated at 250 hp, passed the Model Qualification Test in September 1962.

  8. Bell 427 - Wikipedia

    en.wikipedia.org/wiki/Bell_427

    The company began development of a new light twin, in partnership with South Korea's Samsung Aerospace Industries. In February 1996, Bell announced its Model 427 at the Heli Expo in Dallas. The Bell 427 was the company's first aircraft designed entirely on computer. [2] The Bell 427 first flew on December 11, 1997.

  9. Scott's – Bell 47 - Wikipedia

    en.wikipedia.org/wiki/Scott's_–_Bell_47

    Scott's – Bell 47, Inc. is an American company that supports the Bell 47 helicopter. The company was formed in 2009 after acquiring the type certificates from Bell Helicopter . The company supplies original specification parts either new, overhauled or remade as well as new Supplemental type certificate parts including composite rotor blades ...