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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 Bentley crankcases, including a pattern alteration and the introduction of bolts for the centre bearing.

Identifier  ExFiles\Box 132\3\  scan0012
Date  27th October 1933
  
B. from Sft.{Mr Swift}
c. WOP.
c. Hs.{Lord Ernest Hives - Chair}
c. Ry.

x216.

Sft{Mr Swift}1/BH.27.10.33.

BENTLEY CRANKCASES.

Referring to memo' Ell/HP.25.10.33, I believe you are already aware that the pattern is being altered to incorporate modifications previously instructed, and it was intended that these new Crankcases should be introduced at the 65th Chassis (including the first 15)

The position in the works is that we have 50 Castings part and finished machined. We suggest that this latest modification, i.e. to introduce Bolts for the centre Bearing should be introduced at the same time, and incorporated in the pattern now being altered.

Sft.{Mr Swift}
  
  


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