More on JB's Lightning Bolt Maker

Author Message   miro forest Senior Member Username: miro Post Number: 550 Registered: 11-2001 Posted on Sunday, January 30, 2011 - 05:13 pm:        Oer the weekend, I was fussing a bit more with the ignition box for the St Lawrence. I found that the current drawn before any changes was over 2 Amps. I didn't like the idea of so much current gong through the timer contacts. so I played around with inserting a resistor in series with the coil leaving the relay connections unchanged. I found that a resistor in the range of 1.5 to 3 ohms reduced the spark slightly, but also reduced the current to less than 1 Amp so there are less current going through the timer points. Over 3 ohms the spark got too weak. miro

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