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 bench test results comparing different spirits on an engine at 1000 revs.

Identifier  ExFiles\Box 147\5\  scan0031
Date  17th June 1909
  
R.R 148 (20 H) (F 148. 17.6.09) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 103.
3800 (2300) X459
Consumption
Taken & Wooler on test engine ?17/6/09 NR.
in
Consumption per H-P hour per gallon on engine
bench test at 1000 revs. -- (what was the best speed for consumption a/c?)
"Mex spirit" = 9.86. H.P. hrs. per gal.
"Shell" = 10.25. "
"Pratts" = 9.43. "
"Rupidin" = 7.38. "
  
  


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