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, charging, and discharging tests of a car battery.
| Identifier | ExFiles\Box 38\5\ Scan177 | |
| Date | 24th November 1921 | |
| X. 3398. ROUTINE TREATMENT OF CAR LIGHTING & STARTING BATTERIES. FORM A.{Mr Adams} Date:) 24.11.21 Battery under treatment :- P. & R.{Sir Henry Royce} BDII Rated capacity :- 75 ampere hours. Received charged or uncharged: - Uncharged. Date:- 24.11.21 X.972 General remarks :- (1) Terminals. Lead Covered brass. (2) Filling. O.K. (3) Standing. O.K. (4) First charge. Amperes. from to hours amp.hours. 2.5 9.30 5.0 7.5 18.75 24.11.21 3.25 5.0 8.45 15.75 51.25 2.5 8.45 5.30 8.75 21.87 25.11.21 2.0 8.30 11.45 3.25 8.12 2.0 12.0 8.45 44.75 89.5 26/28.11.21 2.5 9.0 5.15 8.25 20.62 28.11.21 2.0 5.30 8.45 15.25 30.5 29.11.21 2.5 8.50 5.30 8.6 21.5 2.0 5.30 8.30 15.3 30.6 2.5 9.0 5.30 8.5 21.25 30.11.21 Total ampere-hours, 307.92 (strikethrough) 314.21 (5) Discharge at 7.5 amperes to 10.5 volts. Total hours :- 9.25 1.12.21 Ampere hours realised :- 69.4 Contd. 5-8-20 FOR D(C)-C-106 H S(L). 4.12.20. | ||