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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).
Confirming the decision to standardise the constant voltage scheme for the 20/25 HP chassis.

Identifier  ExFiles\Box 62\3\  scan0430
Date  20th June 1934
  
By.{R.W. Bailey - Chief Engineer} From Hs{Lord Ernest Hives - Chair}/Wst.
c. to Wor.{Arthur Wormald - General Works Manager}
c. to Sg.{Arthur F. Sidgreaves - MD}
c. to E.{Mr Elliott - Chief Engineer}

Hs{Lord Ernest Hives - Chair}/Wst.7/MA.20.6.34.

20/25 HP. CHASSIS VOLTAGE CONTROL.

Replying to your By.16/G.18.6.34., we have now decided to standardise the constant voltage scheme on the 20/25HP. as the result of tests we have carried out on the new dynamo to R.R. Sch.581. Standardisation sheets are now being circulated for this dynamo, the load distribution board, Lucas C.A.V. Voltage regulator and new switchbox.

The dynamo is a very satisfactory machine and gives quite good performance and the whole scheme should be an immense improvement on the 20/25HP. chassis.

Hs{Lord Ernest Hives - Chair}/Wst.
  
  


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