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).
Graph of the open-circuit volt-speed characteristics for a Scintilla Dynamo, with and without vibrator regulator control.
| Identifier | ExFiles\Box 50\1\ Scan243 | |
| Date | 16th April 1935 | |
| TITLE: OPEN-CIRCUIT VOLT-SPEED CHARACTERISTICS OF SCINTILLA DYNAMO [Nº E.067] Vibrator regulator controlled & uncontrolled Y-AXIS (LEFT - FIELD AMPERES): 0, .4, .8, 1.2, 1.6, 2.0, 2.4 Y-AXIS (RIGHT - VOLTS): 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26 X-AXIS (DYNAMO R.P.M.): 0, 500, 1000, 1500, 2000, 2500, 3000, 3500, 4000, 4500, 5000 GRAPH LABELS: - Hot - Cold - O.C. Volts uncontrolled - Field currents uncontrolled - Speed rising - Speed falling - Hot [75°C] - Cold [21°C] - Open-circuit voltages (controlled) - Field currents (controlled) BOTTOM RIGHT CORNER: - #A - 8-15-42 - P.T.L. - 16.4.35 | ||