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).
Calculations of end pressure on servo for the Peregrine and 20/25 HP models.
| Identifier | ExFiles\Box 2\7\ B002_X 140 to 143-page01 | |
| Date | 15th September 1932 | |
| FILES. X141. SERVO. 15.9.32. X5370. Peregrine. End pressure on servo = 13.150/5.250 X 1.425/1.425 X 1.625/.515 P. = 7.9. P. 20/25 HP. End pressure on servo = 13.1/4.350 X 1.187/1.350 X 1.850/.7 = 7.0 P. ------- | ||