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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).
Drawings for an experimental forged aluminium connecting rod and a piston for a Bentley.

Identifier  ExFiles\Box 86\2\  scan0124
Date  1st November 1933
  
To-BY.{R.W. Bailey - Chief Engineer} from E/JNR.{Charles L. Jenner}

c. Wor.{Arthur Wormald - General Works Manager} Hs.{Lord Ernest Hives - Chair} NHC.

X236

E/JNR.{Charles L. Jenner}2/HP.1.11.33.

re Bentley.

We send you herewith drawing of:

LeC.3682 - Forged aluminium connecting rod.
3679 - Piston with large diameter piston pin.

These are experimental and a die can be put in hand for making the connecting rod.

The piston can be made from an existing die casting LeC.3675.

E/JNR.{Charles L. Jenner}
  
  


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