Rolls-Royce RR500
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| RR500 | |
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| The RR500TS was unveiled at Heli-Expo 2009. |
The Rolls-Royce RR500 is a family of small gas turbine engines developed by Rolls-Royce Corporation. The RR500TP turboprop variant was intended for use in small aircraft. The RR500TS was the turboshaft variant designed for light helicopters. Development of the RR500 was abandoned in 2012.
Design and development
The RR500 is a larger derivative of the Rolls-Royce RR300 turboshaft, with the engine core scaled-up for increased power.[1]
The basic weight of the engine with accessories is 250 lb (113 kg). The model produces around 500 shp (373 kW) for takeoff and can produce Script error: No such module "convert". in continuous use. Like its predecessor the Rolls-Royce Model 250 and all turbine engines (including the competing Pratt & Whitney Canada PT6), it is claimed to require less frequent maintenance than piston engines of similar power, albeit with the higher maintenance costs associated with turbine engines. A RR500TS turboshaft variant was also under development.
Development of the RR500 series ended in 2012.Script error: No such module "Unsubst".
Variants
- RR500TP
- RR500TS
Specifications (RR500 proposed)
Data from Rolls-Royce [2]
General characteristics
- Type: Twin-spool turboprop
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- Dry weight: Script error: No such module "convert".
Components
- Compressor: Single-stage centrifugal
Performance
- Maximum power output: Take-off : Script error: No such module "convert".
- Maximum continuous: Script error: No such module "convert".
- Normal cruise: Script error: No such module "convert".
- Overall pressure ratio: 7.5:1
- Fuel consumption: Take-off : Script error: No such module "convert". per hour
- Maximum continuous: Script error: No such module "convert". per hour
- Normal cruise: Script error: No such module "convert". per hour
- Specific fuel consumption: Take-off: Script error: No such module "convert".
- Maximum continuous: Script error: No such module "convert".
- Normal cruise: Script error: No such module "convert".
- Power-to-weight ratio: Script error: No such module "convert".
See also
References
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Sources
- Flying (magazine), Vol. 135 Issue 11, Nov. 2008, p. 32, "Rolls-Royce Launches Turboprop for Small Airplanes"