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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).
Revised wing nut lift specifications for brake adjustments on various chassis models.

Identifier  ExFiles\Box 84\2\  scan0145
Date  4th May 1934
  
+206

By:

Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls}18/KW.4.5.34.

Easy Brake Adjustment - N.Sch.3931.

We find that the wing nut lift of .200 is not suitable for all chassis. This arises owing to the varying toggle radii and also owing to the clearances found experimentally to prevent the brakes seizing.

The various lifts should therefore be -

40/50 Front .200
Rear .165

20/25 Front .200
Rear .240

Bentley Front .187
Rear .187

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


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