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).
Blueprint graph showing ignition advance curves for the Peregrine engine.
| Identifier | ExFiles\Box 1\8\ B001_X100 Engine Chassis-page216 | |
| Date | 10th August 1932 | |
| PEREGRINE IGNITION ADVANCE ATTACHED E2/HP 10.8.32 ENGINE DEGREES BEFORE T.D.C. ENGINE SPEED - R.P.M. MAXIMUM ADVANCE BEST AVERAGE SETTING FOR WHOLE SPEED RANGE MINIMUM ADVANCE Y-AXIS: 0, 10, 20, 30, 40, 50, 60 X-AXIS: 0, 250, 500, 1000, 1500, 2000, 2500, 3000, 3500, 4000, 4500, 5000 | ||