Rolls-Royce R

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A Rolls-Royce R in the Science Museum London

The Rolls-Royce R was a V - twelve-cylinder - aircraft engine 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, water-cooled, vertical V12 engine with a displacement of 36.7 l. Only 19 of his were made between 1929 and 1935. The take-off power was around 1920 kW (2600 PS). The engine was repeatedly installed for attacks on existing world records not only in aircraft but also in vehicles. In the Supermarine S.6B floatplane , the engine enabled the English designer and pilot Reginald Joseph Mitchell to set an absolute world speed record of 657.258 km / h in the last race for the so-called Schneider Trophy (Schneider Cup). It was the copy with the number R27.

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

Technical specifications

  • Cylinder: 12 upright, V 60 °
  • Bore: 6 inch (152.4 mm)
  • Stroke: 6.6 inch (167.6 mm)
  • Displacement: 36.7 l
  • Weight: 744 kg

See also

Web links

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