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).
Test results for a 40/50 battery, noting peak amperes and dynamo volts.
| Identifier | ExFiles\Box 51\2\ Scan191 | |
| Date | 29th June 1920 | |
| SP {Mr Spinney} 238.(150 BKS.)(RH {R. Hollingworth} 57.29-6-20.) MP 224355 ROLLS-ROYCE LTD. INSTRUCTIONS. To ________________________ 19 Order No. ________________ Customer's No. 2. a 40/50 battery 6.EXRE.5, everything else remaining the same, as a comparison. Starting at 13.6 volts, in this case, the peak reached was 13.5 amperes at 1300 rpm, the dynamo volts being 16.5. Signed A.A. This Sheet must be filed on completion of the work. | ||