Model 250-B17F  
Initial Operational Capability (IOC):
Total Production: 1,200
Also Known As: M250-B17F/2 and Model 250-B17D
Origin: United States of America
Corporations: Rolls-Royce
Parent System: Model 250
Initial Operational Capability (IOC):
Total Production: 31,000
Family Members: Model 250
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Description: The Rolls-Royce/Allison Model 250 is a compact turboshaft engine designed to power both civil and military helicopters. Developing between 420 and 715 shat-horse-power and featuring a two-shaft modular design. It was originally developed as the T63 to meet the requirements of the US Army for a small turboshaft engine. Rolls-Royce has delivered nearly 30,000 Model 250 engines which have logged over 160 million flight hours. Currently, there are 16,000 Model 250 engines in service. Rolls-Royce has developed turboprop, generators and turbojet applications based on the Model 250 design.

The Rolls-Royce Model 250 turboprop variant is a small and compact engine developing between 300 and 450 shaft-horsepower (shp). Over 1,200 engines produced accumulating five million flight hours to date. This engine has been provided to 63 turboprop aircraft types including : Extra EA-500, Fuji T-7, Grob G140TP, Schweizer RU-38B and the Enaer T-35 Turbo Pillan. The latest version 250-B17F is a derivative of 250-C20R+ turboshaft developing up to 450-shp.

Model 250-B17F Applications


Combat Aircraft Grob 120TP Private Aircraft Bell 407GXP

Model 250-B17F Specifications

Fan Pressure Ratio: 7.90
Power
Max Power at Cruise: 380 shp
Max Power at TakeOff: 450 shp (336 kW)
Weight
Dry Weight: 205 pound (93 kilogram)
CEP: Circular Error Probable
Meters (m)   Kilometers (km)   Nautic Miles (nm)   Inch (in)   Yard (yd)   Foot (ft)   Millimeter (mm)
Pound (lb)   Kilogram (kg)   kN (KiloNewton)   Ton (t)
Meters per Second (mps)   Kilometers per Hour (kph)   Knot (kt)   Miles per Hour (mph)
Liter (l)   Galon (gl)
Year (yr)   Minutes (min)   Second (sec)
Shaft-Horse-Power (shp)

Model 250-B17F News

There are 3 news between
27 Jul 2008 and 10 Jul 2012
Tuesday, July 10, 2012Rolls-Royce Delivers M250 Engines for Powerful Grob G120TP Trainer
Thursday, July 28, 2011GippsAERO Selects Rolls-Royce M250 Engine for GA10 Aircraft
Sunday, July 27, 2008Rolls-Royce Model 250 Turboprop to Power New Executive Transport Aircraft

Operators & Related Equipment


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Grand Total 187
 
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