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 log for tall ignition coils, detailing performance metrics.
Identifier | ExFiles\Box 69\1\ scan0025 | |
Date | 17th June 1925 | |
V8710 X.3604cl. R.R. TALL IGNITION COILS. X.4596. X.871D. X.4655. | Date. | Coil number. | Secondary continuity. | Secondary Milliamps. | O.C.S. Test. | Running current (amps). | Remarks. | |---|---|---|---|---|---|---| | | | | 18.0 | 1.25 | .78 to .92 | | | 19.1.25. | EAC D.{John DeLooze - Company Secretary} | O.K. | 16.6 | 1.20 | .87 | O.K. | | 29.1.25. | TR{Capt. F. W. Turner - Finance}3 | O.K. | 14.1 | 1.26 | .92 | O.K. | | 29.1.25. | EAC. E.{Mr Elliott - Chief Engineer} | O.K. | 16.7 | 1.25 | .90 | O.K. | | 2911.25. | EAC. F.{Mr Friese} | O.K. | 14.5 | 1.22 | .89 | O.K. | | 25.3.25. | TN2 | O.K. | 14.4 | 1.14 | .81 | O.K. | | 8.6.25. | PR1 | O.K. | 17.0 | 1.17 | .85 | O.K. | | 8.6.25. | PR2 | O.K. | 16.6 | 1.18 | .85 | O.K. | | 8.6.25. | PR3 | O.K. | 17.0 | 1.17 | .85 | O.K. | | 8.6.25. | LS1 | O.K. | 18.2 | 1.09 | .78 | Secy. m.a. rather high and primy current low. | | 17.6.25. | | | | | | | | ||