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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).
Faulty dynamo from a 20 HP Chassis 72-A-7, discussing overheating and customer complaints.

Identifier  ExFiles\Box 47\4\  Scan177
Date  28th April 1924
  
X 4383
293

EFC.
BY4/H.{Arthur M. Hanbury - Head Complaints} 28. 4. 24.

20. HP. CHASSIS 72-A-7, SHUFFLEBOTHAM.
DYNAMO NO. 293.

I have in my Office at the moment the dynamo from the above chassis, which has been returned as the outcome of faulty running.

The customer complained generally of trouble with his dynamo. A tester was sent with a new machine which he fitted, and brought back the old one.

The Armature appears to have been very hot, the solder having run from the Commutator. As to whether this is due to an open circuit or bad bedding of the brushes is a matter I would like you to decide.

Will you kindly send along to my Office for the dynamo, which will be handed over to your lad by my typist.

BY.{R.W. Bailey - Chief Engineer}
  
  


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