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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).
Requesting recommendations for a vibrator regulator for the 20 HP chassis.

Identifier  ExFiles\Box 31\1\  Scan042
Date  18th September 1919
  
X.1402

To R.{Sir Henry Royce} from EFC.
c. to CJ.
c. to E.{Mr Elliott - Chief Engineer}
c. to Bn.{W.O. Bentley / Mr Barrington}
c. to Da.{Bernard Day - Chassis Design}

EFC7/T18.9.19.

X.3533. VIBRATOR REGULATOR FOR 20 H.P. CHASSIS X.1402.
X.3560. X.4148

Would you kindly say what you would recommend
us doing in connection with the vibrator regulator, which will
be necessary to work in conjunction with the 20 H.P. chassis
dynamo.

We have the Bijur vibrator regulator ready wound
for 12 volts with which to experiment, but we cannot get to
this work for the moment, as all our instruments are in use
on the production testing of electrical apparatus. In the
course of a week or so, we hope to be entirely clear of this
responsibility and then we can get on with our own experimental
work.

Meanwhile, nothing has been done so far in
connection with obtaining or making the vibrator regulators
which we shall require.


EFC.
  
  


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