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).
Graph comparing the horsepower and fuel consumption of Petrol versus Pynol in a Goshawk engine.

Identifier  ExFiles\Box 20\6\  Scan068
Date  15th June 1923
  
FUEL TESTS
H.P. GIVEN BY PETROL & PYNOL RESPT.
GOSHAWK
S.G. PETROL .752
S.G. PYNOL .804
BAROMETER - 740M.M.
B.H.P.
PETROL
PYNOL
CONSUMPTION PETROL & PYNOL COMPARED
MIXTURE ADJUSTED AT EACH SPEED
TO WEAKEST MIXTURE FOR MAX POWER
UNEVEN TORQUE BELOW THIS.
R.P.M.
PTS/HP/HR
A.C.L.
15-6-23
PTG/6/242
  
  


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