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).
Continuation of a discussion on battery selection, faulty C.A.V. lamps, and a 12-volt non-trembler ignition system.
| Identifier | ExFiles\Box 61\2\ scan0094 | |
| Date | 14th November 1918 | |
| EFC8/AT141118 Contd. choosing the best battery for its weight. Regarding lamps for lighting installation at W.W. We think that the first lamp delivered must be an exception through having a faulty vacuum. This matter has been taken with the C.A.V. firm who supplied these lamps, but the answ is not yet to hand. We think you will may find all the three others sent to be O.K. Regarding 12 volt non-trembler ignition for the car This can be arranged easily in the most economical way by fixing, first of all, upon a speed of operation which is to represent the average, and then arranging our constants of the curcuit so that when the engine runs up to 2000 r.p.m. the ignition is still sufficiently powerful to remain in satis- factory operation. EFC. | ||