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).
Sending two blueprints for modifications to the 'Condor' engine's epicyclic gear, detailing new parts and part supersessions.

Identifier  ExFiles\Box 38\6\  Scan141
Date  1st January 1920
  
R R.{Sir Henry Royce} 235 s (200 T) (S.F. 674 22-5-19) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2576
X.3389.
DA{Bernard Day - Chassis Design}/Stt12/EP{G. Eric Platford - Chief Quality Engineer}29. 1. 20.
To RHC{R. H. Coverley - Production Engineer} from DA{Bernard Day - Chassis Design}/Stt
C. to HS.{Lord Ernest Hives - Chair}
C. to Ck.{Mr Clark}
-------------------------
"Condor"Engine - .666 Epi: Gear - Sec.4240 - X 3389
-------------------------------------------------------
We send herewith two Blue Prints of the following details :-
N. 3409 Special Nut for Planet Cage
N. 3410 " " " "
N. 3411 Locking Plate for Housing Nut
N. 3414 G.A. of the Modification.
For making 6 sets for the experimental condor engines.
Note :- G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 6254 is superceded by N. 3411. G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 6324 is altered from 9 off to 6 off and the other 3 Nuts are replaced by N.3409.
G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 7326 also altered from 9 off to 6 off and the other 3 nuts replaced by N. 3410.
DA{Bernard Day - Chassis Design}/Stt.
  
  


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