Thread: Bedini SG
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Old 03-09-2008, 10:19 PM
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ren ren is offline
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Yes Aaron!

The pot varies how long it takes for the trigger pulse to fire I think. This means that as you vary the resistance upwards it fires further away from the north that has just passed. It eventually gets to a stage where the scalar south switches it off microseconds later. The coil is firing well after the north now and is attracting the scalar south more than repelling the north. Any further increase will only raise amp draw and reduce speed from here as this is the optimal tuning spot.

I think this relay may be effecting the pulse width which is different to when it fires. Lets say your transistor needs 1 volt to the base for it to trigger. If the passing magnet induces 1 volt or over for 2 seconds then the transistor will fire for 2 seconds. I think the relay may be choking the amount of time the trigger coil sends the 1 volt pulse lets say for 1 second now. You now have a faster on/off time, effectively changing your pulse width. This could also be done with a thinner/weaker magnet. My 2 cents, could be wrong. There is a good read on affecting pulse width here http://www.totallyamped.net/adams/ on page 9.

I am also assuming that the relay coil has a core too? Maybe that adds another dynamic, maybe not. Sep I am guessing the gauge of the wire in the relay is quite fine yeah? This is important too I think. You could vary and experiment by simply winding another tiny coil with finer gauge and use it the same way as the relay is being used here. I wondered if the direction of winding would alter things too Aaron....

What a way to kick start the Bedini thread. Keep it up guys!
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