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).
Electrical experimental record sheet logging the testing and failure of a standard coil with waxed paper insulation.
| Identifier | ExFiles\Box 69\1\ scan0172 | |
| Date | 5th September 1928 | |
| X8710. Standard coil made up with waxed paper insulation instead of oil paper. (25 SWG Primary) ELECTRICAL EXPERIMENTAL RECORD SHEETS. P.W.P.1 Table Columns: Date on. Location. Date off. REMARKS. Miles reading START. Miles reading Finish. Miles Covered. Total miles. Table Rows: Row 1: Date on: 17-1-28 Location: lab Remarks: Received from Mr Brock. Row 2: Date on: 1-2-28 Location: " Remarks: Production tested OK. Row 3: Date on: 3-2-28 Location: " Remarks: Electrical quantities found. Placed on test rig for endurance test. Miles Covered: Bench 14500 Row 4: Location: " Date off: 24-2-28 Remarks: Removed and fitted to expl chassis / 12 EX. Row 5: Date on: 1-3-28 Location: 12 EX Miles reading START: 712 Miles reading Finish: 1068 Miles Covered: 356 Total miles: 356 Row 6: Date on: 12-4-28 Location: " Miles reading Finish: 3809 Miles Covered: 2741 Total miles: 3097 Row 7: Date on: 7-5-28 Location: " Miles reading Finish: 5426 Miles Covered: 1613 Total miles: 4710 Row 8: Date on: 4-6-28 Location: " Miles reading Finish: 7048 Miles Covered: 1622 Total miles: 6332 Row 9: Date on: 6-7-28 Location: " Miles reading Finish: 9264 Miles Covered: 2216 Total miles: 8548 Row 10: Date on: 13-8-28 Location: " Miles reading Finish: 10722 Miles Covered: 1458 Total miles: 10,006 Row 11: Date on: 5-9-28 Location: lab. Remarks: Coil removed from chassis and unwound in lab. Primary found to be charred | ||