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).
Road test report for ignition coil No. LS1.
| Identifier | ExFiles\Box 69\1\ scan0213 | |
| Date | 20th June 1929 | |
| RR 238 (150 BKS.) (DB{Donald Bastow - Suspensions} 461-8-12-24) MP 306975 X.8710 ROLLS-ROYCE LTD. INSTRUCTIONS. To E.7.C. Order No. WD{Mr Wood/Mr Whitehead}69 Customer's No. X8710 20-6-1929 Ignition coil NO. LS1. We have carried out a road test on this coil fitted to chassis 14G4. The experimental features of this coil are as follows :- a) 20000 turns on the secondary b) Paraffin waxed paper insulation. c) The extra insulation at the ends of the primary winding layers, deleted. The coil was entirely satisfactory throughout the test (carried out to our usual road test procedure) and no misfires were registered on the pick up or at high speeds with the voltage at 8. Signed (contd) This Sheet must be filed on completion of the work. | ||