Rolls-Royce R

The Rolls -Royce R was a twelve-cylinder V - engine airplane of the British manufacturer Rolls- Royce. It was developed on the basis of the Buzzard especially for racing and record-breaking use.

History

It was a 744 kg heavy, water-cooled, standing V12 engine with 36.7 liters displacement. From him only 19 pieces were made 1929-1935. The starting power was (2600 hp) at approximately 1920 kW. The engine was built for repeated attacks on world records not only in aircraft but also in vehicles. In the floatplane Super S.6B the engine in 1931 allowed the British designer and pilot Reginald Joseph Mitchell in the final race to the so-called Schneider Trophy (Schneider Cup ) the establishment of an absolute world speed record with 657.258 km / h These were for a sample with the number R27.

With the record car Thunderbolt, which was equipped with two of these engines, scored George Eyston on September 16, 1938 357.497 mph ( 574.5 km / h ). Donald Malcolm Campbell reached on 19 August 1939, his boat Bluebird K4, which was also powered by a Rolls- Royce R, 141.74 mph ( 228.613 km / h ). The Rolls -Royce R later served as the basis for the Rolls -Royce Griffon.

Specifications

  • Cylinders: 12 upright, 60 ° V
  • Bore: 152 mm
  • Stroke: 168 mm
  • Displacement: 36.7 l
  • Weight: 744 kg
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