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).
Performance analysis graphs and diagram for an E.A.C. Servo mechanism.
| Identifier | ExFiles\Box 26\4\ Scan234 | |
| Date | 18th November 1924 | |
| E.A.C. SERVO TANGENTIAL P Mech Gain P/W LOAD W Graph A: Y-axis: MECHANICAL GAIN X-axis: TIME RUN. MINS. Boxed Text: VARIATION IN MECH GAIN WITH TEMPERATURE, W = 10.5 LBS, DRUM SPEED 500 R.P.M Graph B: Y-axis: MECHANICAL GAIN Top X-axis: DRUM REVS/MIN Bottom X-axis: EQUIVALENT ROAD SPEED M.P.H Boxed Text: VARIATION IN MECH GAIN WITH SPEED, W = 10.5 LBS, TEMP DRUM - 100°C Graph C: Y-axis: MECHANICAL GAIN X-axis: LOAD W IN LBS WT. Boxed Text: VARIATION IN MECH GAIN WITH LOAD, DRUM SPEED 500 RPM, DRUM TEMP 100°C Signature: W.A.R. | ||