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).
Instructions regarding an undesirable induced effect in an engine's dual ignition system.
| Identifier | ExFiles\Box 52\1\ Scan053 | |
| Date | 20th May 1920 | |
| RR 239(150 BKS.)(SHS7.20-5-20.) MP 224359 ROLLS-ROYCE LTD. INSTRUCTIONS. To __________ 19 Order No. 4. Customer's No. __________ From these figures it will be seen that there is evidently an increased induced effect with both ignitions working together, and if this effect is due to, as is probable, occasional synchronism of the sparks; it is obviously an undesirable condition (from the point of view of the elimination of induced effects) to have in the engine. Signed H. {Arthur M. Hanbury - Head Complaints} E. {Mr Elliott - Chief Engineer} W. This Sheet must be filed on completion of the work. | ||