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).
Starter motor's performance after being left out overnight.
| Identifier | ExFiles\Box 50\2\ Scan084 | |
| Date | 19th November 1920 | |
| X4298 To EFC. from L.F. F.C. 145. 19.11.20. X.3082. R.R. STARTER MOTOR. X.4298. X.607. A car having been left out all night was started up with an R.R. Starter motor and Chloride 6. BXE 4 battery. The initial "Kick" of current was 150 Amperes turning current 120 Amperes. volts on battery 10.5 engine revs. 40-45. L.F. | ||