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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).
New scheme to prevent the over-oiling of Bentley dynamo commutators.

Identifier  ExFiles\Box 162\1\  img055
Date  5th May 1930
  
GH.
FTD.
COPY.

K/KC.

BENTLEY.
Rm{William Robotham - Chief Engineer}/GWH{George W. Hancock - Head Chateauroux}/DPR/5.5.30.

OILING UP OF DYNAMO COMMUTATORS.
-----------------------------

As the Works have given up the idea of help in overcoming oiling up of commutators, a scheme has been got out which prevents this taking place.

The oil which previously got on to the com. will drain down inside the commutator cover, this cannot do any harm, any excess will shew over-lubrication.

This mod. is for the time being only for the use of Kingsbury Depot, until sufficient proof of its value has been obtained.

Rm{William Robotham - Chief Engineer}/GWH.{George W. Hancock - Head Chateauroux}
  
  


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