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).
Request to deliberately build a misaligned Bentley axle centre for a stress test on the pinion nose.

Identifier  ExFiles\Box 84\4\  scan0282
Date  25th August 1937
  
HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls}

202

Will you please build up a Bentley axle centre so that the pinion roller bearing is .010 out of line with the main thrust bearing. We suggest this is done on the cast iron centre case by fitting a new incorrectly machined bridge.

The only parts required are the case, pinion and two bearings. W.Bell will run this on a rig to determine whether such a procedure will break the pinion nose.

Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls}
  
  


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