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Schematic diagram of a four-wheel braking system, showing linkages and calculations.


Identifier  ExFiles\Box 182\M20\M20.2\  img034
Date  24th June 1925
  
AGREED SCHEME. FOUR WHEEL BRAKES:-
45° OPERATING THD. ON SERVO.
T without Servo = (P*4.175)/(5.6*2.775) = 3.76P
SHOE / 152 / F-7
SHOE / 12.7 / 6.5
Diagram labels and dimensions:
P
T
S CAM
4 CWT
7
2.8
2.525
28
2.775
4.175
5.6
4
3.6
4.25
3.5
4.5
  
  
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).


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