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).
Servo torque multiplication with Ferodo linings.

Identifier  ExFiles\Box 73\3\  scan0066
Date  20th March 1924
  
B.R. 493A (20H) (D.A. 652 20-3-24) J.H.D.
-2-
EXPERIMENTAL REPORT.
Expl. No.
REF: Hs{Lord Ernest Hives - Chair}/ACL/LG3. 6. 24.

∴ 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.

MADE AT ROXLEY
  
  


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