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  • baburas made the instructable Make a Simple Portable Tesla Coil!2 years ago
    Make a Simple Portable Tesla Coil!

    Hi CCX191,Thanks for your answer and help.I just installed a heatsink on the transistor and the lighting lasted, almost 5 minutes. Much better but after that time again started to fade. It is obviously a heating problem. Maybe if Iuse air cooling it works better.Have you managed to operate for longer periods(etc whole night)?How long does the battery hold?

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  • building the poor-mans mini tesla coil ( slayer exciter)

    Hello maxI made Tesla coil with a similar manner which works fine but has a small defect.When I approach a lamp to the coil, the lamp lights but if I leave it there the lighting lasts only for 120seconds max and then fades away.I have to close the circuit for some time and open it again to make it light again.Can you help me with this problem?I used a BD135 transistor, 9V battery, 6 turns primary coil, 2000 turns secondary.Thanks for your help

    Thanks. Its helpful

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  • baburas commented on JoeBeau's instructable AA Battery Powered "Tesla Coil"2 years ago
    AA Battery Powered "Tesla Coil"

    I finished the coil using the following : BD135 transistor, one Resistor - 47k 1/2w, 9V battery, 6 turns primary coil, 2400 turns secondary.There is no spark, but it successfully lights lamps. There is though a small problem. When I approach a lamp to the coil, the lamp lights but if I leave it there the lighting lasts only for 80-90 seconds and then fades away.I have to close the circuit for some time and open it again to make it light again.Have you faced this problem? Can you help me with this?Thanks for your help

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  • baburas commented on Michael Chen's instructable Solid State Tesla Coil2 years ago
    Solid State Tesla Coil

    Hello,I finished a coil using the following materialI used a BD135 transistor, one Resistor - 47k 1/2w, 9V battery, 6 turns primary coil, 2400 turns secondary.There is no spark, but it successfully lights lamps. There is though a small problem. When I approach a lamp to the coil, the lamp lights but if I leave it there the lighting lasts only for 80-90 seconds and then fades away.I have to close the circuit for some time and open it again to make it light again.Have you faced this problem? Can you help me with this?I would appreciate if anybody has some idea about this

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  • baburas commented on CCX191's instructable Make a Simple Portable Tesla Coil!2 years ago
    Make a Simple Portable Tesla Coil!

    Hello CCX191,I finished the coil following the same source.I used a BD135 transistor, one Resistor - 47k 1/2w, 9V battery, 6 turns primary coil, 2400 turns secondary.There is no spark, but it successfully lights lamps. There is though a small problem. When I approach a lamp to the coil, the lamp lights but if I leave it there the lighting lasts only for 80-90 seconds and then fades away.I have to close the circuit for some time and open it again to make it light again.Have you faced this problem? Can you help me with this?Thanks for your help

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  • baburas commented on How-ToDo's instructable Simple Tesla Coil2 years ago
    Simple Tesla Coil

    Hello,I finished the coil using almost the same steps.I used a BD135 transistor, one Resistor - 47k 1/2w, 9V battery, 6 turns primary coil, 2400 turns secondary.There is no spark, but it successfully lights lamps. There is though a small problem. When I approach a lamp to the coil, the lamp lights but if I leave it there the lighting lasts only for 80-90 seconds and then fades away.I have to close the circuit for some time and open it again to make it light again.Could this be a heating problem? Can you help me with this?Thanks for your help

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  • baburas commented on Deepesh rlps's instructable Very Simple 9v Tesla Coil2 years ago
    Very Simple 9v Tesla Coil

    Hello,I finished the coil using almost the same steps. I used a BD135 transistor, 9V battery, 6 turns primary coil, 2000 turns secondary.There is no spark, but it successfully lights lamps. There is though a small problem. When I approach a lamp to the coil, the lamp lights but if I leave it there the lighting lasts only for 120 seconds and then fades away.I have to close the circuit for some time and open it again to make it light again.Can you help me with this problem?Thanks for your help

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  • baburas commented on romanursuhack's instructable How to make a mini Tesla coil 9V2 years ago
    How to make a mini Tesla coil 9V

    Hello friendsI made Tesla coil with a similar manner which works fine but has a small defect.When I approach a lamp to the coil, the lamp lights but if I leave it there the lighting lasts only for 50 second max and then fades away.I have to close the circuit for some time and open it again to make it light again.Can you help me with this problem?I used a BD135 transistor, 9V battery, 6 turns primary coil, 2000 turns secondary.Thanks for your help

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