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).
Graph plotting oil ejected versus oil temperature at various RPMs for a Spectre gear box 3rd motion shaft lubrication test.
| Identifier | ExFiles\Box 94\1\ scan0271 | |
| Date | 18th November 1935 | |
| SPECTRECodename for Phantom III GEAR BOX - IHS 3RD MOTION SHAFT LUBRICATION NSCH 4668 SHORTENED FEED PIPE & SCOOP - HS{Lord Ernest Hives - Chair}/FJH.{Fred J. Hardy - Chief Dev. Engineer}9/KW 31-10-35 TESTED IN 4TH SPEED. Y-Axis: OIL EJECTED FROM OPEN END OF 3RD MOTION SHAFT - C.CS/HR. WAKEFIELD'S HIGH PRESSURE - HEAVY - OIL. Axis values: 200, 400, 600, 800 X-Axis: OIL TEMP °C Axis values: 40, 60, 80, 100, 120 Graph lines: 2000 R.P.M., 3000 R.P.M., 4000 R.P.M. | ||