FIELD: mechanical engineering; carburetor engines. SUBSTANCE: proposed systems has voltage converter, reservoir capacitor, ignition coil, thyristor as electronic discharge switch, thyristor control circuit connected with breaker contact, and two switch diodes providing locking of thyristor when discharge current of reservoir capacitor is maximum. One of diodes is connected in series aiding with thyristor, and second diode is antiparallel connected with primary winding of ignition coil. EFFECT: increased reliability of ignition system owing to automatic optimization of time of reservoir capacitor discharge in process of sparking. 1 dwg
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