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).
Cold-start tests for the Lucas Starter on an Eagle engine using various batteries.
| Identifier | ExFiles\Box 52\3\ Scan236 | |
| Date | 5th September 1917 | |
| R.R. 255 A. {Mr Adams} 1770 H. {Arthur M. Hanbury - Head Complaints} S.J. 442. 9-8-17. G. {Mr Griffiths - Chief Accountant / Mr Gnapp} 1965 To R. {Sir Henry Royce} from EH. c. to BJ. c. to E. {Mr Elliott - Chief Engineer} c. to By. {R.W. Bailey - Chief Engineer} X. 2814. X. 3161 - STARTER FOR EAGLE ENGINES. We had the Air Board Officials here yesterday to observe tests carried out with the Lucas Starter on our engine. The engine, over night had been kept packed with ice, wooden laths were fixed round the cylinders and the space filled with ice. Ice was put along side the crankcase and bottom. Test.1. Cold engine. Peto & Radford battery weight 19 1/4 lbs Induction pipes primed. Starting. Running. Time to start engine. Amps. Volts. Amps. Volts. 270 7 190 8.6 3 secs. As soon as the engine started it was switched off and another start made, in all, eight starts were made with this battery before it was so low that it would not turn the engine. Test 11. Cold engine. "Peto & Radford" battery (special) 14 starts were made on this battery. Test III Cold engine. "Chloride" battery weight 22 lbs. 36 starts were made on this battery. Test IV. Cold engine. The motor was switched on and was kept turning the engine until the battery gave out. (Contd). | ||