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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).
Modification to a W. series 40/50 gearbox for the EAC. 7 front suspension scheme.

Identifier  ExFiles\Box 66\4\  scan0198
Date  2nd July 1925
  
TO [REDACTED] FROM AJS.
L8310
AJS2/M2.7.25.
Copy to - [REDACTED] HS.{Lord Ernest Hives - Chair}

EAC. 7. GEARBOX.

We send you herewith LeC. 2096.,
shewing modification to front of W. series 40/50 gearbox
to produce the front suspension scheme for EAC. 7. box.
The alteration consists in exchanging
the 40/50 front bearing housing cover for the steel one
indicated on drawing. In order to securely fasten
this cover,(which, in addition,acts as a trunnion carrier
for the box,)to the casting .312 X .250 studs are used.
It has been necessary to turn the cover through 90°, so that
the nuts on cover studs will suit the 'Y' bracket, and in
this connection it should be noted that the 'Y' bracket
always goes with the cover, it being secured by the machine
riveted collar on trunnion nose.
A further drawing will shew the coup-
ling and the attachments.

AJS.
  
  


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