Self-propelled vehicles; a practical treatise on the theory, construction, operation, care and management of all forms of automobiles (1906)
Homans, James E. (James Edward), b. 1865 · New York, T. Audel & Company · leaf 299
the points of theplug, during the period in which the primary circuit is made, thenumber of impulses of the secondary current on the wires, R andS, to the two terminals of the sparking plug, T, being greatly in-creased. Timing the Spark.—With neither of the systems as describedis there any… … ou TO E O , f-i to w5b Si?***S be « S o METHODS OF IGNITION. 287 after the completion of the compression stroke. By advancingthe spark a longer period of expansion, consequently a greatereconomy of effective power, is obtained: by retarding it the ex-pansion is shortened, and the power effect is…
Automobiles
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