Rolls-Royce Archives
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From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Fuel consumption tests comparing petrol with alcohol and benzole mixtures on different engines.

Identifier  ExFiles\Box 27a\4\  Scan298
Date  3rd April 1934 guessed
  
- 2 - (No. 7050).

The results indicated that the type of engine had a considerable influence on fuel consumption, alcohol fuels, compared with pure petrol, giving better results on the low-speed Büssing engine and the high-speed Mercedes-Benz engine. On the Daimler lorry engine, fuel consumption was lowest when benzole was added to the petrol. With petrol-benzole-alcohol mixtures the effect of alcohol on fuel consumption was favourable on all three engines, the mean consumption in all cases being lower than with pure petrol. By increasing the compression ratio the engine output and thermal efficiency were also improved.


E.C.
  
  


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