The internal combustion engine; being a text book on gas, oil and petrol engines, for the use of students and engineers (1909)
Wimperis, Harry Egerton, 1876- · New York, Van Nostrand · leaf 297
ly and produces a shower ofsparks in the secondary (one spark corresponding to each 276 THE INTERNAL COMBUSTION ENGINE break of current in the primary). During each contactabout a dozen sparks or more may pass. One good sparkwould be enough and therefore a modification of thismethod is sometimes… … Fig. 99.—The arrangement of Figs. 97 and 98, except that the secondarycurrent is distributed directly, so enabling only one coil to be usedfor all four cylinders. The disadvantage is that the insulation ismore difficult to ensure. fitted to the half-speed shaft of the engine so as to produceone…
Internal combustion engines
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