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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).
Investigating a customer complaint of a high-output dynamo by testing it on an experimental car.

Identifier  ExFiles\Box 70\3\  scan0239
Date  9th April 1926
  
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To RHC.{R. H. Coverley - Production Engineer} from EFC.

EFC6/T9.4.26.

EAC. DYNAMO.

We hand you herewith EAC. dynamo RE.25 ex customer's chassis 71-RC.{R. Childs} With this dynamo there has been a complaint of high output, burning out side lamps on one occasion.

BY.{R.W. Bailey - Chief Engineer} has expressed a desire to put this on an expl. car to confirm or otherwise the complaint, and the dynamo is handed to you in the condition as received, except that we have just run the dynamo sufficiently just to verify that the output is a little higher than the standard.

Will you please have this put on 44-PK, replacing the old 29 coil type dynamo O7 at present thereon, of which there has been a complaint recently.

EFC.
  
  


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