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Alterations for the 'Condor' engine's epicyclic gear, specifically changing the angle of obliquity for the serrations.


Identifier  ExFiles\Box 38\6\  Scan134
Date  23th May 1919
  
To Mr. Gradwell from BY {R.W. Bailey - Chief Engineer} /C.
c. to Mr. " for Mr.Cowgill.
c. to Mr. Coverley.
c. to AV.
c. to H. {Arthur M. Hanbury - Head Complaints}
c. to EPC.

BY {R.W. Bailey - Chief Engineer} /C1/GMK23.5.19.

X.3389.
X. 399.

"CONDOR(Aero Engine)" ENGINES - EPICYCLIC GEAR+ SECTION 4240+

Kindly note that the following alterations are required:-
G.6805.- Sunwheel (.666 epicyclic gear).
G.6598 - " (.555 " ")
G.6673 - Sunwheel anchor.

Angle of obliquity of the serrations to be made 20º instead of 14½º! We will send the above alteration through as soon as possible, but in the meantime the works should see that the corrections are made.

BY {R.W. Bailey - Chief Engineer} /C+.
  
  
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).


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