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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).
Blueprint FD.360, seeking an opinion on the possibility of grinding the first speed pinion for the Bentley 50 gearbox.

Identifier  ExFiles\Box 112\2\  scan0082
Date  20th January 1939
  
RY/NS{Norman Scott} 828
c. Rm.{William Robotham - Chief Engineer}
DA.{Bernard Day - Chassis Design}3/G.20.1.39.

BENTLEY 50. GEAR BOX.

ZFH

FJH{Fred J. Hardy - Chief Dev. Engineer}

Please receive herewith blueprint of FD.{Frank Dodd - Bodies}360 shewing the Helical First and Reverse Gear Pinions on the 2nd Motion Shaft.

There is some doubt as to the possibility of grinding the first speed pinion and the Works opinion is needed. The reverse pinion is of course not ground.

Details urgently required.

DA.{Bernard Day - Chassis Design}
  
  


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