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).
Instruction sheet detailing high and low rate discharge test results for a P&R BDH 11-1-2 battery.
| Identifier | ExFiles\Box 168b\3\ img139 | |
| Date | 20th October 1927 | |
| RR 239 (150 BKS.) (DD 451-8-12 24) MP 308975 X7535P ROLLS-ROYCE, LTD. INSTRUCTIONS. To E.d.G. Date 20-10-1927 Order No. J.C.102. Customer's No. X7535P Re Tests on P&R BDH 11-1-2 Battery 183*4. On high rate discharge through a constant external resistance of .100w Initial amperes = 111.2 Time to 104" = 6.3 min " " 100" = 10.0 " " " 90" = 15.7 " " " 80" = 17.6 " All cells shewed negative weakness on the cadmium test. On low rate discharge through a constant external resistance of 1.80w 55.7 ampere hours were obtained. All cells shewed positive weakness on the Cadmium test. Signed G.F. This Sheet must be filed on completion of the work. | ||