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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).
Tests and settings instructions for governor control shock dampers from Mr. Brock's department.

Identifier  ExFiles\Box 16\5\  Scan164
Date  24th November 1933
  
K7520
To By: from Hs{Lord Ernest Hives - Chair}/Les: Hs{Lord Ernest Hives - Chair}/Les.3/KT.24.11:33:

TESTS & SETTINGS FOR GOVERNOR CONTROL
SHOCK DAMPERS. (MR.BROCKS DEPT).

(1) Replace valve by a solid H.P. Valve and valve spring by a solid distance piece.

Apply an oil pressure of 2500 lbs/sq.in. to H.P. and L.P. chambers of the damper. This can be done with a complete damper by removing the plug H.P. chamber. During this test the damper filler plug should be removed, so that the same pressure does not build up in the oil reservoir part of the damper.

Examine for oil leaks.

(2) Minimum ball pin load set at 30 lbs.

(3) With 30 lbs/sq.in. behind the bellows the ball pin load should be :-

Front 400 lbs.
Rear. 290 lbs.

Examine for oil leaks.

Hs{Lord Ernest Hives - Chair}/Les.{Ivan A. Leslie}
  
  


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