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The Rolls-Royce R was a British aero engine designed and built specifically for air racing purposes by Rolls-Royce Limited |
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Developed from the Rolls-Royce Buzzard, it was a 37-litre (2,240 cu in) capacity, supercharged V-12 capable of producing just under 2,800 horsepower (2,090 kW), and weighed 1,640 pounds (770 kg) |
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Factory testing initially revealed mechanical failures that were reduced by the use of redesigned components, greatly improving reliability |
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more information: |
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Rolls-Royce R |
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