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).
Extract of a memo concerning the ignition system and timing gears for a Japan 3 left-hand chassis.
| Identifier | ExFiles\Box 61b\4\ scan0176 | |
| Date | 20th January 1931 | |
| X6105 R.{Sir Henry Royce} from E.{Mr Elliott - Chief Engineer} c. Sg.{Arthur F. Sidgreaves - MD} Wor.{Arthur Wormald - General Works Manager} c. Hs.{Lord Ernest Hives - Chair} Bv. Extract from E2/M20.1.31. JAPAN 3 - LEFT-HAND CHASSIS. Lec.2863 legislates for the extra ignition but now that we have your views on the P.2. chassis we assume that the magneto can be washed out on Japan 3. and double battery ignition substituted when two sparking plugs per cylinder are required. This removes some of the difficulties in connection with the left-hand scheme assuming that we can find a satisfactory method of dealing with two battery ignitions. We are looking into this particular point, and also the question of the timing gears at the rear. E.{Mr Elliott - Chief Engineer} | ||