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).
The results of testing Phantom II gear boxes using a Whitmores Compound lubricant.
| Identifier | ExFiles\Box 145\2\ scan0243 | |
| Date | 11th June 1930 | |
| By Hs.{Lord Ernest Hives - Chair} from Mx.{John H Maddocks - Chief Proving Officer} X4481 Mx{John H Maddocks - Chief Proving Officer}8/T11.6.30. X4481 X967 X7310 X7350 PHANTOM II GEAR BOXES. Further to my memo Mx{John H Maddocks - Chief Proving Officer}9/T30.5.30, we have run three Phantom Gear Boxes with 50% of Whitmores Compound. These boxes were run on this mixture through Unit and Dynamometer test - in every case the condition of the gears surface was excellent. In accordance with arrangements made with Hs.{Lord Ernest Hives - Chair} we shall now run three more boxes with a similar percentage of Prices Compound, and incidentally we are arranging to revert to Prices Compound for axle testing. [Signature] Mx{John H Maddocks - Chief Proving Officer} [Stamp: RECEIVED 12 JUN 1930] | ||