Rolls-Royce Archives
         « Prev  Box Series  Next »        

Graph of engine advance curves for Delco Remy governors on Bentley engines, comparing a deturbulated head with a standard head.


Identifier  ExFiles\Box 86\1\  scan0205
Date  2nd July 1936 guessed
  
CURVES REQUIRED ON DELCO REMY GOVERNORS
FOR BENTLEY
1 DETURBULATED HEAD
2 STD. HEAD
CURVES OVERCOME DETONATIONS AT LOW SPEEDS
AND GIVES MAX. POWER AT HIGH SPEEDS

Handwritten Note:
Wyman, what do we now correct this to to avoid detonations 18-30tt. P.H on No.1. petrol
CM

Axis Labels:
Y-Axis: FLYWHEEL + ADVANCE B.T.D.C.
X-Axis: ENGINE R.P.M.

Graph Labels & Legend:
(1)
(2)
A DE-TURBULATED HEAD
B STD HEAD

Data points are marked on the curves as A, B, C, and D. {John DeLooze - Company Secretary}
  
  
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).


Copyright Sustain 2026, All Rights Reserved.    whatever is rightly done, however humble, is noble
An unhandled error has occurred. Reload 🗙