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).
Test results for Goshawk ignition coils, detailing continuity, current, and resistance measurements.
| Identifier | ExFiles\Box 45\4\ Scan232 | |
| Date | 3rd June 1924 | |
| X.4079. X.3604cl. GOSHAWK IGNITION COILS. X.4596. X.4079. Date. | Coil number. | (1) Secondary continuity. | (2) Secondary milliamps. | (4) O.C.S. test. | (5) Running current (amps). | (6) Amps. | Volts. | Ohms. | Remarks. ---|---|---|---|---|---|---|---|---|--- 26.2.24. | TS4. | O.K. | 14.4 | O.K 1.18 | .85 | 1.69 | 1.57 | .929 | 25.2.24. | TS5 | " | 17.0 | 1.21 | .84 | 1.63 | 1.51 | .936 | 22.2.24. | TS6 | " | 14.6 | 1.26 | .93 | 1.70 | 1.64 | .964 | 22.2.24. | TS1 | " | 16.2 | 1.27 | .93 | 1.67 | 1.63 | .975 | 25.2.24. | TR{Capt. F. W. Turner - Finance}2 | " | 16.1 | 1.23 | .85 | 1.75 | 1.73 | .988 | 28.2.24. | 4206 Std.A. | " | 17.6 | 1.08 | .81 | 1.30 | 1.23 | .945 | 28.2.24. | 4207 Std.B. | " | 14.2 | 1.13 | .80 | 1.33 | 1.23 | .925 | 28.2.24. | 4208 Std. C. | " | 17.3 | 1.07 | .78 | 1.38 | 1.32 | .956 | 3.6.24 | TR.{Capt. F. W. Turner - Finance}3. | " | 15.2 | 1.16 | .86 | 1.59 | 1.52 | .956 | 1.3.24. | 4383 | " | 17.9 | 1.22 | .91 | 1.63 | 1.43 | .878 | | ||