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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).
Fixed dimensions for the Phantom II Balanced Crankshaft.

Identifier  ExFiles\Box 14\2\  Scan136
Date  30th September 1931
  
c.Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls}

X7010.
BY/SS{S. Smith}1/J.30.9.31.

P.II. Balanced Crankshaft

With further reference to Hs{Lord Ernest Hives - Chair}/GRY{Shadwell Grylls}1/MJ.29.9.31, please note Mr.Bailey has fixed the dimensions possible from existing forgings as follows:-

Crankpin diameter 2.375"
Journal 2.800"
Width of Webs 4.150"

The studs securing the balance weights should be locked by one of the methods shewn on previous LeC's.

BY/SS.{S. Smith}

[STAMPED: RECEIVED 1 OCT 1931 R-R LTD]
  
  


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