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Use of a clearance hole for a locking set screw on pistons for the 40/50 chassis to prevent deformation.


Identifier  ExFiles\Box 35\2\  scan 151
Date  9th October 1919
  
COPY.

To EH. from Da. {Bernard Day - Chassis Design}
c. to BN. {W.O. Bentley / Mr Barrington}
c. to BY. {R.W. Bailey - Chief Engineer}
c. to EP. {G. Eric Platford - Chief Quality Engineer}

Da {Bernard Day - Chassis Design} 3/CB9.10.19.

PISTONS FOR 40/50 CHASSIS. X 3400

In reply to your memo EH4/LG8.10.19., we quite agree that one of the locking set screws should be in a clearance hole. When the piston heats the different coefficient expansion between aluminium and steel will probably itself cause the piston to be pulled oval.

Da. {Bernard Day - Chassis Design}
  
  
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).


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