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 data sheet for the oil feed to the 3rd motion shaft of an I.H.S. Spectre gearbox.
| Identifier | ExFiles\Box 94\1\ scan0267 | |
| Date | 18th November 1935 | |
| 18-11-35 I.H.S. SPECTRECodename for Phantom III GEAR-BOX OIL FEED TO 3RD MOTION SHAFT DRIVEN IN 4TH GEAR WAKEFIELD'S HIGH PRESSURE HEAVY OIL USED NSCH 4668 MODIFIED TO RM{William Robotham - Chief Engineer}33 FIG.2 RPM AT ENGINE END | INITIAL TEMP. °C | FINAL TEMP. °C | TIME PER RUN | DELIVERY CCS./HR. --- | --- | --- | --- | --- 4,000 | 55 | 111 | 1-0 | 750 3,000 | 111 | 100 | 1-0 | 375 2,000 | 100 | 85 | 55 | 26 2,000 | 35 | 70 | 1-0 | 270 3,000 | 70 | 95 | 1-0 | 245 4,000 | 75 | 111 | -50 | 618 2,000 | 111 | 98 | -15 | 48 2,000 | 58 | 75 | 1-0 | 176 4,000 | 64 | 77 | 1-0 | 392 2,000 | 66 | 58 | -15 | 140 3,000 | 58 | 69 | -50 | 156 SHEET II (3 SHEETS) MB | ||