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).
Instructions detailing tests on Goshawk ignition coil cases to investigate electrostatic and leakage effects.
| Identifier | ExFiles\Box 39\3\ Scan208 | |
| Date | 15th November 1922 | |
| ROLLS-ROYCE LIMITED. INSTRUCTIONS. RR. 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 X3573 To: EFC Order No. 54. Customer's No. 1 X4079. Tests on Goshawk Ignition Coil Cases X.3573 In connection with the recent troubles experienced on the Goshawk ignition, some tests were made on various coil cases to determine their electrostatic and leakage effects both hot and cold. It was found that if a coil case were used as the dielectric of a condenser (first, by filling with acidulated water & later by lining with tin-foil for the inside electrode) using a tin-foil wrapping for the outer electrode a good capacity effect could be obtained, the spark brightening up considerably without reducing much in length. (Cont'd) Signed This Sheet must be filed on completion of the work. | ||