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 showing engine fuel consumption loops for the calibration of 87 and 77 octane fuels.

Identifier  ExFiles\Box 27a\4\  Scan218
Date  12th September 1935
  
GOS. FULLY S/C ENGINE
CURVE 443 F
CONSUMPTION LOOPS
(CALIBRATION OF 87 AND 77 OCTANE FUELS)
ENG. K V.25 WITH GOS. S/CHARGER 8.823/1 GEAR RATIO
OIL: D.T.D. 109
PLUGS: K.L.G. V9/1
ALL LOOPS TAKEN AT +2LB/O/2250 RPM.
FUEL USED: D.T.D. 134.
FUEL USED: D.T.D. 230 (87 OCTANE)
FUEL USED: D.T.D. 224 (77 OCTANE)
B.H.P.
380
390
400
410
420
PT/BHP/HR
650
600
550
500
  
  


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