T=i<3 3 Mas f<L r Vi bra tor. time of firing and the engine would operate very smoothlywhen the proper adjustment of this one vibrator was obtained. The single spark system of ignition made use of aninterrupter instead of the master vibrator. This was placed … mm^m J ? at one end of the magneto and a cam on the same shaft openedthe interrupter contact, the same as did the master vibrator,except that it was opened -without any lag and occurred atexactly the same angle regardless of the engine speed. Theinterrupter could also be adjusted for advance and…
