Rolls-Royce Archives
         « Prev  Box Series  Next »        

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).
Blueprint graph comparing Delco Remy and R.R. ignition characteristics for a Bentley V engine.

Identifier  ExFiles\Box 168\3\  img079
Date  14th February 1939 guessed
  
BENTLEY V
IGNITION
S.72

UNIT B.III N° 5
CYL. HEAD E.W. 1949
PISTONS P. 414 (.170 RAISED CROWN)
CAMSHAFT Ex.31550
INDN. SYSTEM B.III (H.V. 4 CARBS.)
C/R = 6.5:1

DELCO REMY
① MIN. ADV. FOR MAX. POWER
② LINE TO AVOID DETONATION
③ GOVERNOR CHARACTERISTIC

R.R.
④ MIN. ADV. FOR MAX. POWER
⑤ LINE TO AVOID DETONATION
⑥ GOVERNOR CHARACTERISTIC

Y-Axis Top Graph: B.M.E.P.
Y-Axis Bottom Graph: DEGREES B.T.D.C
X-Axis: R.P.M. (CRANK)
Bottom left axis label: TDC
  
  


Copyright Sustain 2025, All Rights Reserved.    whatever is rightly done, however humble, is noble
An unhandled error has occurred. Reload 🗙