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).
The torque multiplication of a servo with Ferodo linings.

Identifier  ExFiles\Box 73\1\  scan0179
Date  20th March 1924
  
R.R. 493a (20H) (D.A. 652 20-3-24) J.B.D.
-2-
Expt. No.
REF: Hs{Lord Ernest Hives - Chair}/ACL/LG3. 6. 24.
EXPERIMENTAL REPORT.
∴ 2.625/2 x 5.8/7.9 = B.
∴ S = 2/2.625 x 7.9/5.8
TORQUE MULTIPLICATION OF SERVO G.72550 - Ferodo linings.
Angle of Cam. | Normal braking average servo multiplication. | Instantaneous multupn. with sudden pedal pressure.
65º | .48 | .96
55º | 1.44 | 2.5
45º | 2.10 | 3.12
Hs{Lord Ernest Hives - Chair}/ACL.
DICKINSON BOND
MADE AT CROXLEY
  
  


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