Rolls-Royce Archives
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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).
Test of Wakefields Castrol 'S' oil in Phantom II gearboxes, noting its poor performance compared to the standard oil.

Identifier  ExFiles\Box 32\3\  Scan186
Date  13th June 1930
  
Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer} from Mx.{John H Maddocks - Chief Proving Officer} X1583. Mx{John H Maddocks - Chief Proving Officer}11/T13.6.30.

WAKEFIELDS CASTROL "S"

We have used the sample of the above oil you submitted to us in three Phantom II gear boxes. After the dynamometer test the condition of the gear surfaces was poor - there were definite signs of "picking up" and we consider the condition generally to be not quite so good as gear boxes run with the standard Amber "A"
  
  


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