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).
Routine treatment of a car lighting and starting battery, including charge and discharge data.
| Identifier | ExFiles\Box 54\5\ Scan072 | |
| Date | 3rd March 1926 | |
| X. 38.39. ROUTINE TREATMENT OF CAR LIGITING & STARTING BATTERIES. Date:- 3-3-26 Battery under treatment :- P & R TR{Capt. F. W. Turner - Finance}11 Rated capacity:- 75 amperes.hours. Received charged or uncharged :- uncharged. X.X3839 General remarks :- (1) Terminals. Standard. (2) Filling. OK. (3) Standing. 3 hours. (4) First charge. Amperes. from to hours amp.hours. Date. 4.0 2-0 5-30 3.5 14.0 3-3-26 4.0 5-30 8-0 14.5 58.0 overnight 4.0 8-0 5-30 9.5 38.0 4-3-26 3.5 5-30 8-0 14.5 50.6 overnight 4.0 8-0 5-30 9.5 38.0 5-3-26 4.0 5-30 8-0 14.5 58.0 overnight 4.0 8.0 12.0 4.0 16.0 6-3-26 Total amp. hours 272.6 F+ cells have Highest discharge resistance Positive weakness. (5) Discharge at 8.0 amperes to 10.5 volts. 8&9-3-26 Total hours :- 6.75 Ampere hours realised :- 54.0 Contd. | ||