Sikorsky S-434
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The Sikorsky S-434 is a light, turbine-powered helicopter. The S-434 is an improved development of the Schweizer S333.
Schweizer S 434
Allison Model 250
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The Allison Model 250 is a highly successful turboshaft engine family, originally developed by the Allison Engine Company in the early 1960s. Rolls-Royce has produced the Model 250 since it acquired A
Sikorsky S-434
…Fuel capacity: 84 US gal (70 imp gal; 318 L) Powerplant: 1 × Rolls Royce 250-C20W turboshaft engine, 320 shp (240 kW) for take-off Main rotor diameter: 27 ft 6 in (8.38 m…
MTU-built Allison 250-C20B