Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 110
hrough an angle of 30degrees before it is released, and, since the spark is produced by spring action rather thandirectly through the speed of the engine and therefore is independent of the latter, nobattery is necessary for starting, and in ordinary cases one turn of the fly wheel will… … GAS ENGINE IGNITION 2,765 Ques. In low tension ignition, what is necessary inorder to produce a good spark? Ans. The break or separation of the contact points of theigniter should take place with extreme rapidity, that is, thespring H (fig. 3,971) should be sufficiently strong to cause theshoulder…
Electrical engineering
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