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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).
Modifications required for the 58GN clutch to accommodate stiffened clutch fingers.

Identifier  ExFiles\Box 13\7\  07-page137
Date  7th September 1932
  
To Hs{Lord Ernest Hives - Chair}/Gry{Shadwell Grylls}
X7300
RHC.{R. H. Coverley - Production Engineer}LOBE.7.9.32.
58GN CLUTCH

The following modifications to existing parts were necessary in order to give working clearance for the stiffened clutch fingers HS{Lord Ernest Hives - Chair} 666 fitted to 58GN.
HS{Lord Ernest Hives - Chair} 704

(1) 4 grooves .437" wide added in clutch cover G.78312.

(2) Length of slots in clutch withdrawal ferrules G.76554 increased by .187".

[Drawing annotations]
1.225
.300
45°
4 GROOVES .437 WIDE

MODIFICATIONS TO P.U. CLUTCH REQD. FOR STIFFENED CLUTCH FINGERS. HS{Lord Ernest Hives - Chair} 666 RHC.{R. H. Coverley - Production Engineer}

[Stamp: RECEIVED 1932 SEP 7]
  
  


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