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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).
Temporary modification to the 'Spectre' Ignition Coils for improved cooling.

Identifier  ExFiles\Box 164\5\  img212
Date  6th October 1934
  
c. HS{Lord Ernest Hives - Chair}/Wst.

86017
BY/RD2/W.6.10.34.

"SpectreCodename for Phantom III".
Ignition Coils.

In order to lift the Ignition Coils so that they may receive more cooling, would you please put in hand the following special parts :-

E.86318. Distance Piece. 1 off.
E.86319. Stud. 3 off.

The existing Bracket, E.85436, should be modified in accordance with E.86317.

Blue prints of these new parts are attached hereto.

This scheme is essentially a temporary one, the distance piece having been arranged to be made out of bar, and if it proves successful further design work will be necessary.

BY/RD.
  
  


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