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).
Continued discussion on battery charging, automatic refilling, and maintenance.
| Identifier | ExFiles\Box 61\2\ scan0258 | |
| Date | 15th January 1929 guessed | |
| -7- Contd. filled automatically not quite fully whenever necessary in much the same way that water is replaced, not quite filling the tank, in a water supply tank, the level of the water of which is controlled by a ball float and valve. We feel that the bettery in the ordinary frequency of use will behave very satisfactoraly with such an arrangement and in spite of the fact of never having a thorough overcharge, will never have a chance of getting any of its elements into a wrong condition. When the car has been standing long enough in any case for the battery otherwise to go wrong, that is the time when it could reasonably be expected to be removed from the car and given a good gassing charge from a separate source without voltage control. EFC. | ||