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Dynamo and crankcase modifications for the Bensport and 20/25 HP engines.


Identifier  ExFiles\Box 132\3\  scan0005
Date  10th February 1933
  
X216.

To BY. {R.W. Bailey - Chief Engineer} from E {Mr Elliott - Chief Engineer} /JNR. {Charles L. Jenner}

c.c. for. Hs. {Lord Ernest Hives - Chair}

E {Mr Elliott - Chief Engineer} /JNR. {Charles L. Jenner} 7/HP.10.2.33.

re Bensport(Codename for 3 1/2-litre Bentley) and 20/25 HP. Crankcase.

We send you herewith: LeC.3374 showing the dynamo and drive for the above engine.

A Phantom 2 dynamo is fitted and driven at engine speed.

The standby magneto is deleted altogether, and there is a new position for the oil filler at a suitable distance away from the exhaust downtake pipe.

We also send you LeC.3375 showing the machining for the dynamo cradle on a crankcase, which is common to both Bensport(Codename for 3 1/2-litre Bentley) and 20/25 HP.

The speed of the dynamo on the 20/25 being as before 1.5 times engine speed.

E {Mr Elliott - Chief Engineer} /JNR. {Charles L. Jenner}
  
  
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).


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