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One magnet no bearing Bedini motor

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  • "@Retrod.Hi.I have just watched your latest vid and i have always wondered how a Bedini would work with valves and thanks to you,now we know.Great experiment and a first i think.What will you come up with next,indeed?Regards jonny"
    Hi Jonny, I had wondered the same thing about Bedini circuits and other ideas that have been discussed. The nice thing about tubes is that it is harder to destroy them, apart from the breakage of the glass. From what I have observed tonight using a 6SN7 dual triode I will now have enough power to rotate 'Big Momma', who is still in the mail .

    Anyway, I just wanted to look back and make sure nothing has been missed along the way.

    6SN7 Video YouTube - Retro Vacuum Tube Bedini One Magnet no bearing motor.....6SN7 Dual Triode

    Thanks,
    Dave
    Last edited by retrod; 06-18-2009, 12:53 AM.

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    • Finally Happy

      @Xeno and Lidmotor.... I finally got my snake egg to spin up!!! HOLY COW does that thing move fast.... Before I lubed the bowl up, it bounced out and spun on the table for about 3 min before it came to a stop... My daughter, who is experimenting with me (more like watching and taking credit... ) kept asking me to do it again...

      Thanks for the help guys... i really appreciate it... I wrapped a new coil that has 6 strands at 200'. Gonna try to see what i can do with the other 4 without slowing down the motor too badly.

      Will post updates as I get em... Thanks again..

      Rich
      Last edited by jurmb84; 06-18-2009, 12:58 AM.

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      • Output to source.

        El-Tigre demonatrates his draw bridge output coil back to source. Nice job! However, John Bedini points out that the primary battery cannot take a charge while it is delivering a pulse charge to the power coil. One can view Bedini's Oscillator Energizer patents and see how he overcomes this problem. I built a sucessfull one and can help clear it up this simply: A reed switch or hall effect transister has to be correctly positioned next to the spinning magnet, to trigger a capaciter discharge back to the source battery during the rest period between the pulses for the battery to accept the complete charge. El-Tigre and Mopozco both have output and BEMF going back to the run battery with some apparent charge acceptence, but half their charges are blocked during the power pulse. The reed switch only triggers from the south pole and has to be offset from the trigger position of the power coil. An oscilliscope can help determine this, or one can fish for it with a multimeter on the source battery. El-Tigre would have to place a capacitor between his bridge rectifer and the battery, and place the reed switch in series in between them. This arrangement should pulse the cap discharge back to the run battery during the rest period between the power pulses. Same goes for Mopozco's circuit. He apparently simply connects the diode off the transister collector that normally goes to the charge battery, to the positive pole of the run battery, and prolongs his run time. The two outputs could both be sent to the same capacitor, and pulsed back together at the same time by the reed switch. El-Tirge's set up is generating more than enough power to self run and charge the source battery, all he has to do is marry the BEMF and output in a capaciter and time the discharges back to his source battery between the power pulses with a reed switch.
        Last edited by synchro; 06-19-2009, 05:18 PM.

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        • Feeding back to the source is being discussed here : One magnet no bearing Bedini motor
          Last edited by Xenomorph; 06-19-2009, 05:22 AM.

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          • I've always wondered but never tried to see if it would be possible to just add another trigger wire to the coil and hook it up to be triggered by the south pole and just use another transistor and a cap to store the comined energy and pulse it back into the run battery. Has anyone tried that before?
            That's probably the same thing that the bipolar circuit does but without an additional generator coil. Maybe we should try running the bipolar circuit to see how that works.

            Mark

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            • @Mark:
              How many turns of trigger wire would you suggest are sufficient to trigger the transistor?
              Would it be enough to wind the trigger wire on top of the already existing bedini coil?
              What would the circuit look like?
              This transistor would be put right before the collector of the main transistor?

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              • The circuit would be a regular bedini circuit except the trigger wire would be hooked up backwards to be triggered by the south pole. The storage cap from your circuit would be used as your input battery on the new circuit and when the new circuit is triggered instead of firing a power coil the power would be dumped into your original input battery. Hope this makes sense. I'm not sure this would work but who knows?

                I dont see any reason why you couldn't just wrap another wire on the outside of your coil.

                Mark

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                • The thing is that the source battery blocks the charge as long as its powering the main circuit. The 2nd circuit would have to disconnect the source battery from the main circuit while the power is being dumped into it off the coil.
                  So it seems that maybe the way to go would be to use a PNP (or PMOS) transistor that disconnects the source battery when the south pole triggers it thereby allowing the charge to be dumped into it unblocked.
                  I am not certain however about the phase delay of the radiant spike in relation to the south pole triggering.

                  I still have some very thin AWG 38 wire here to use for the trigger winding. Would that be too thin (too low current) ?

                  Currently i am trying to hit the battery hard with potential charge PLUS giving it a (normally too low current) hot charge off one of the satellite spheres to see if that improves the acceptance of the radiant spikes.
                  Last edited by Xenomorph; 06-19-2009, 04:05 PM.

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                  • Ya, like I said I'm not sure if it would work or not but the primary battery is only power the circuit when the north pole hits the trigger, when the south pole hit the trigger the battery is not powering the circuit.

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                    • 38 should work fine. Oh and by the way if you try it and it burns up all your transistors, wires and catches fire and burns down your house I'm not responsible

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                      • Oh and by the way if you try it and it burns up all your transistors, wires and catches fire and burns down your house I'm not responsible
                        That goes without saying

                        Ill try 38 wire then later today. Maybe 300 turns or so.

                        Still waiting to see a change on the meter for my current experiment hehe

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                        • Before i start winding this, i just pendered about the winding direction.
                          I guess i have to wind it into the opposite direction (cw , ccw) as the first 2 windings, because i think the transistors would fire at the same time if i would wind the trigger winding in the same direction as the other windings.
                          Is that correct ?

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                          • That a good question I've pondered myself but in the full bipolar circuit all the winding are the same way you just revearse the trigger wire ends. The start of the trigger would go to the transistor emmiter instead of the end.

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                            • I figured the integration into the circuit could be like this:



                              Since T2 is a PNP transistor it normally conducts, only when the trigger impulse hits the base it closes. But because the trigger lasts only a short time, the transistor will open again and allow the source to power the circuit for the north pole trigger at T1.
                              Forgot to delete the charge battery.
                              That is still very hypothetical. The duration of the disconnection of the source has to be long enough for the radiant spikes to hit the battery, that is the part that i am not sure of.

                              Concerning the winding direction i guess i will have to find out the hard(wiring) way hehe
                              Last edited by Xenomorph; 06-19-2009, 08:21 PM.

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                              • Hi.Today i did an experiment which was suggested to me by MoonSpySudio's.This was to fill my El-tigre satellite with water and see if the two sphere's could overcome the inertia of the water and create a vortex well it can and does.Here is a vid.
                                YouTube - One magnet no bearing Bedini. Vortex test

                                @Mark and Xenomorph.Some great idea's and brain storming going on there guys.
                                @Lidmotor.I am having problems posting comments on utube so i will post here.
                                I like the new addition to the family.I think the boys will make maggie feel at home lol.If i had seen vids like yours when i was younger then science woud have been a lot more interesting and more fun.Cheers.
                                In your vid you show the little cube magnet rotating around the base of the coil.Well i can tell you it is the rotating magnetic field from the rotor which is doing it as i have tried it today and disconected the battery and it still goes round and round with the main rotor freewheeling.Now this small rotating magnet is a good find as today,i placed the upright coil in a small plastic lid and swapped the small cube for a 6mm neo sphere and this goes round and round in a nice smooth circle.I then placed a change over reed switch reed next to the lid and everytime the small neo went past it disconected my main battery and backpopped it so a very useful find indeed.regards jonny

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