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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 to the Phantom III chassis ignition distributor to prevent failures.

Identifier  ExFiles\Box 168\3\  img106
Date  7th March 1939
  
6119

c. Rm{William Robotham - Chief Engineer}/RC.{R. Childs}
S. Roy{Sir Henry Royce}/Les for HPS.{Horace Percy Smith - Experimental Factory Mgr}

BY/RD.2/B.7.3.39.

PHANTOM III CHASSIS.

D.CD.1152 - IGNITION DISTRIBUTOR. SECTION 8120.

We attach herewith blueprints of the following :-

D.76288 - Distributor Head. 1 off.
D.76289 - High Tension Terminal Insert. 24 off.

In order to try out the modifications to the distributor head we do not suggest that a new mould be made, but the existing production mould should be altered and new inserts made.

Will you please put 1 set in hand. There are 2 distributors per engine on Phantom III.

This modification is to overcome the complaints we have had on distributor head failures, due to tracking between adjacent terminals.

1 Set of HPS{Horace Percy Smith - Experimental Factory Mgr}'s prints, herewith to Roy{Sir Henry Royce}/Les.{Ivan A. Leslie}

BY/RD.
  
  


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