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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).
Modifications to servos on 20/25 and Bentley models, regarding driving pins and lining materials.

Identifier  ExFiles\Box 105\4\  scan0131
Date  1st March 1934
  
To By.{R.W. Bailey - Chief Engineer}

X 5370

Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls}17/KW.1.3.34.

Servos - 20/25 and Bentley.

We want to be able to do away with the driving pins on the ordinary type servo as well as on the direct to all four wheels servo.

We shall be glad if you would therefore issue modifications to G.L.609, incorporating the corrugated driving plate shown on N.Sch.3971.

When we first started using servos of the fully floating type, we asked you to instruct linings in S.3914 material. We have since had to abandon this material owing to squeaks, and have returned to RAD.13 for all types of servo.

Hs{Lord Ernest Hives - Chair}/H.{Arthur M. Hanbury - Head Complaints} Grylls.
  
  


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