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).
Results of a production test on T.G.3 coils for Goshawk coils.
| Identifier | ExFiles\Box 45\4\ Scan158 | |
| Date | 16th March 1923 | |
| X. 4079. ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: E.F.C. Order No: P.B. 86. Customer's No: X 4079. Date: March 16th 1923 Production Test of T.G.3 Coils. The four coils of the T.G.3 type, have now been put through the production tests for Goshawk coils, the results of which are given below. It will be seen from test 5, that the maximum regular sparking gap for N°4 coil after the open circuit test is 5.5 m/m, which indicates that the coil has weakened a little through the previous test. Cont'd.{John DeLooze - Company Secretary} This Sheet must be filed on completion of the work. | ||