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).
Query regarding the feasibility of raising the ignition tower without impeding access to the No.1 sparking plug.
| Identifier | ExFiles\Box 54\5\ Scan313 | |
| Date | 18th January 1929 | |
| BY. {R.W. Bailey - Chief Engineer} from F. {Mr Friese} SECRET. X5680 F3/M18.1.29 c. BJ. Hs. {Lord Ernest Hives - Chair} INDIA 4. BATTERY IGNITION TO WFR X.5680 LeC.2635. We send you herewith the original of You will remember that we have asked if it is possible to raise the ignition tower by the amount shewen on this drawing, namely .125 without crowding the spannering of No.1 sparking plug unduly. We are unable to satisfactorily determine this point for ourselves owing to the absence of the model. F. {Mr Friese} | ||