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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).
Trial and procurement of gearbox bearings with reduced clearance for motion shafts.

Identifier  ExFiles\Box 8\11\  11-page160
Date  28th February 1939
  
628?

BY/CRL.{C. R. Lisson} [struck through]
c. Rm.{William Robotham - Chief Engineer}
c. RHC.{R. H. Coverley - Production Engineer} [struck through]
c. LA.{L. A. Archer} [struck through]

BY.3/N.28.2.39.

Bearings for 1st. & 3rd. Motion Shafts.

LA.{L. A. Archer} has tried a gearbox fitted with bearings having reduced clearance, and found them to be definitely better than GW.788 and GW.789.

As Rm.{William Robotham - Chief Engineer} wants the Schatz bearing to do some mileage before releasing for production, it has been agreed to order bearings similar to/GW.788 and GW.789 with the '0' fit, and these will be used immediately they are available for 'C' series and gearboxes sent in for modification. Roy{Sir Henry Royce}/Dn. is ascertaining from Hoffmanns how soon we can get a supply of the new bearings.

BY.{R.W. Bailey - Chief Engineer}
  
  


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