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 graph for a Peregrine Servo No 4, plotting total output against input under various test conditions.
| Identifier | ExFiles\Box 2\7\ B002_X 140 to 143-page16 | |
| Date | 26th November 1939 | |
| PEREGRINE SERVO No 4 5. RAD & LINING .010" GROUND OFF INNER SHAFT ANCHORAGE HORIZL. 6. LININGS BEDDED BY SCRAPING & RUNNING IN FOR 3 OR 4 MINS. 7. ANCHORAGE 30° BELOW HORIZL. LININGS REDUCED 1/3 BY DRILLING ABT 50 HOLES EVENLY OVER EACH SURFACE. 8. REPEAT OF 7. N 1503 TOTAL OUTPUT LBS INPUT LBS Gally 26.11.39 | ||