Rolls-Royce Archives
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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).
Internal memorandum regarding modifications to the P.2. S.M. 2nd Gearbox.

Identifier  ExFiles\Box 15\5\  Scan384
Date  23th March 1934
  
X7310
GRY{Shadwell Grylls}
To BY.{R.W. Bailey - Chief Engineer} from HDY.{William Hardy}
HDY.{William Hardy}1/HP.23.3.34.
c. [strikethrough]for Mr. Hs.{Lord Ernest Hives - Chair} Dn.[/strikethrough] RHG.

P.2. S.M. 2nd Gearbox.

N. Sch.3998 which we send herewith shows a stiffened retaining plate for the 2nd speed S.M. clutch on the lines of that recently instructed for the J.3. gearbox.

Will you also kindly note that the clearance between the 1st speed pinion teeth and the sleeve should be made 15/1000" as has been found necessary on the J.3. box.

HDY.{William Hardy}
  
  


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