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).
Hand-drawn schematic of a starter switch mechanism and its method of control.
| Identifier | ExFiles\Box 180\M3\M3.3\ img012 | |
| Date | 2nd July 1918 | |
| EAGLE STARTER SWITCHES RR & POOR CONTACTS (MC) PIN AND CAM ACTUATING MECHANISM. CARBON BRUSH & FINAL BREAK TO AVOID BURNING THE CONTACTS. STEEL SPRING & COPPER STRIP CARRYING CURRENT. LAMINATED COPPER BRUSH ON INSULATED BASE OFF POSITION- CONSTRUCTION OF THIS PART FROM SHEET METAL. TO START HANDLE SWITCH SPRING IN BASE DOGS WILL NOT ENGAGE. THE CURRENT MAY BE SWITCHED ON & THIS SPRING WILL PULL THE DOGS IN. SPRING TO HOLD DOGS OUT. SLACK TO ENABLE CURRENT TO BE SWITCHED OFF WITHOUT TRYING TO PULL OUT THE DOGS IF ENGINE SEIZED OR. METHOD OF CONTROL. MOTION IS ONLY SHOWN DIAGRAMMATICALLY & IS NOT INTENDED TO ILLUSTRATE POSITION OF LEVERS. C.M.E. | ||