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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).
Alterations to the back axle bevel gear for the 40/50 HP chassis.

Identifier  WestWitteringFiles\E\June1920\  Scan44
Date  18th June 1920
  
To DA{Bernard Day - Chassis Design} from E.{Mr Elliott - Chief Engineer}
Copy to CE.
" " RN.{Mr Robinson}
" " SJD.
" " DY{F R Danby}
" " EFC.
ORIGINAL
X.4150
RE BACK AXLE BEVEL GEAR. 40/50 HP. CHASSIS.

R

Referring to your N. scheme 392, kindly note that Mr. Royce prefers the arrangement of ball thrust shewn in fig. 2, but he would like the ball races made somewhat thicker, particularly the centre one, and he would like a distance piece inserted between the outer washers so that they will be gripped endways by the nut provided, in accordance with our usual manner of dealing with these thrust races.
It is assumed further that the ball thrust cages are spigoted on their inner diameters.
This alteration should be put on test and introduced when convenient, so as not to delay production.

E.{Mr Elliott - Chief Engineer}
  
  


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