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).
Table of comparative data on spring rates and buffer clearances for various vehicle models.

Identifier  ExFiles\Box 95\2\  scan0163
Date  13th January 1937 guessed
  
SPRING RATE
BUFFER CLEARANCE.
CHANGE IN BUFFER CLNC. DUE TO 50LBS
REDUCTION IN BUFFER CLNC. FOR 50 LBS.
POUNDAGE NECESSARY TO MAKE 7% CHANGE IN BUFFER CLNC.

PH. III. REAR.
207 LBS/"
3.550"
.242"
6.85 %
51.3 LBS.

30 H.P.
FRONT
200
2.250
.250
11.1 %
31.4 LBS.
REAR.
177
4.000
.283
7.1 %
49.5 LBS.

BENTLEY
FRONT
333
1.600
.150
9.4 %
37.3 LBS.
REAR.
238
2.600
.210
8.1 %
43.3 LBS.

346
  
  


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