Rolls-Royce Dart

The Dart was still in production forty years later when the last Fokker F27 Friendships and Hawker Siddeley HS 748s were produced in 1987.Designed in 1946 by a team led by Lionel Haworth, the Dart engine was derived using experience gained from the earlier more powerful Rolls-Royce Clyde turboprop.Consequently, under normal operating conditions, the power delivered to the propeller could not be modulated at a fixed prop speed.[2] The Dart was initially rated at 890 shp and first flew in October 1947 mounted to the nose of a converted Avro Lancaster.Some versions of the engine were fitted with water methanol injection, which boosted power in hot and high altitude conditions.
A Rolls-Royce Dart mounted on a Fokker F27 Friendship
Rolls-Royce Darts on a Vickers Viscount
Rolls Royce Dart Engine on Display at the Pima Air and Space Museum in Tucson, Arizona
Rolls-Royce Dart Turboprop engine, cut-away display
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