Cell densities and charge/discharge performance data.
| Identifier | ExFiles\Box 38\5\ Scan309 | |
| Date | 17th April 1928 guessed | |
| Contd. -3- Date:- (12) Cell densities:- (1) 1120 (4) 1120 (2) 1125 (5) 1120 28-3-23 (3) 1125 (6) 1120 (13) Third charge equivalent to average current of 4.0 amperes 28-3-23 for 30 hours to 4-4-23 i.e. ampere-hours = 120.0 (14) Cell densities. (1) 1250 (4) 1250 (2) 1250 (5) 1250 (3) 1250 (6) 1250 (15) Initial amperes - 114.0 Time to 104 amperes - 7.5 mins. 10-4-23 " " 100 " - 11.2 " " " 90 " - 13.8 " " " 80 " - 14.7 " (16) Fourth charge equivalent to average current of 4.5 amperes 10-4-23 for 26.6 hours to 13-4-23 i.e. ampere-hours = 120.0 (17) Ampere-hours realised up to a point where record takes a sudden turn down:- 17-4-23 45.7 | ||
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).