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74Sprint

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  • Hi Ray, I put a mod in the CDI Easy And Cheap......used PaulC idea of switching a small coil (mini relay coil) in and out of circuit via the hall effect which gives a much better trigger.
    PaulC had some hybrid setup he claimed works but it didn't look right to me at all even though it did work (go figure)
    Anyhow, thought you might have liked to get a heads up........cheers Jeff
    74Sprint
    74Sprint
    I saw the circuit you posted on Sunday but I just had a quick look. That little relay coil will boost the signal strength above the original voltage just like a DC-DC voltage up convertor. Thanks Jeff Cheers Ray
    74Sprint
    74Sprint
    I ordered and received a 5 pin AC unit, I ordered a 4 pin bit got the 5 instead so I'm going to try the 5 pin with DC but I can't find my connectors. I guess I'll have to buy some more, oh well. I smoked the coil the came with it because I forgot to change the dwell capacitor back and the dwell was way too much. Anyway I hope to try my new 5 pin tomorrow. Cheers Ray
    Hello 74 Sprint
    I would like to make the circuit you designed (Hall_effect Ignition Proper ) to replace the original trigger in CDI ignitions with a Hall sensor but did not understand how to connect the Hall sensor to the 2N2222 transistor
    The positive of the Hall sensor goes to + 12Volt, the negative to-12V, the signal must be connected to the transistor base?
    Thanks for your support
    Foketry
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