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 and specifications for Goshawk ignition coils.
| Identifier | ExFiles\Box 49\5\ Scan038 | |
| Date | 21th September 1923 | |
| X 4273 X.3604cl. GOSHAWK IGNITION COILS. X.4079. 40/50 TYPE FOR GOSHAWK. X.4273. Table Columns: DATE Coil number. (1) Secondary continuity (2) Secondary milli-amps. (4) O.C.S. test. (5) Running current (amps). (6) Amperes. Volts. Ohms. Remarks. Table Data: Row 1 (Specifications): Secondary milli-amps: 13.5 a O.C.S. test: 1.5 a Running current (amps): .90 to 1.10 Amperes: 1.70 to 1.90 Volts: 1.2 to 1.35 Row 2 (Specifications): Secondary milli-amps: >15.6 O.C.S. test: >1.1a Running current (amps): .63 to .72 Amperes: 1.50 to 1.60. Volts: 1.40 to 1.55. Row 3: DATE: 21/9/23. Coil number: PP.2. Secondary continuity: O.K. Secondary milli-amps: 15.4 O.C.S. test: 1.01 Running current (amps): .67 Amperes: 1.55 Volts: 1.46 Ohms: .94 Row 4: DATE: " Coil number: 3800. Secondary continuity: " Secondary milli-amps: 15.4 O.C.S. test: 1.02 Running current (amps): .69 Amperes: 1.53 Volts: 1.42 Ohms: .93 Row 5: DATE: " Coil number: 3801 Secondary continuity: " Secondary milli-amps: 14.5 O.C.S. test: 1.01 Running current (amps): .66 Amperes: 1.56 Volts: 1.51 Ohms: .97 Footer: 14.3.22. Right Margin (vertical): X 4273 | ||