Hobart, H. M. (Henry Metcalf), 1868-1946 ed · Philadelphia, J. B. Lippincott · leaf 208
cc machines. In the latter case, however, if the electricand magnetic constants of the machine arenot suitably proportioned, sparking willoccur even with perfect mechanical con-ditions. See Reactance Voltage; Arma-ture Reaction; Commutation. Sparking Plug, an attachment which isscrewed into the… … CYLINDERWALLS Sparking Plug being so timed by a contact-maker runningin connection with the engine shaft that thegases in the cylinder are exploded at theright instant. There are many forms of construction, andthe above sketch shows a typical arrange-ment. Sparking Voltage, the pressure (i.e.…
Electrical engineering
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