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).
Two graphs comparing left and right-hand engine delivery, and venturi readings versus actual measurements.

Identifier  ExFiles\Box 24\5\  Scan251
Date  1st July 1930 guessed
  
3
COMPARISON OF L.H. AND R.H. ENGINES DELIVERY
DELIVERY GAL/MIN
L.H. ENGINE
R.H. ENGINE
ENGINE R.P.M.
4
COMPARISON OF VENTURI AND ACTUAL MEASUREMENTS OF QUANTITY
VENTURI READING BY FORMULA 8√H
USED IN THESE TESTS
ACTUAL MEASUREMENT
CORRECTED LAW FOR VENTURI FROM THESE CURVES 8.7√H
ENGINE R.P.M.
  
  


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