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Thread: My First Window Motor Replication

  1. #1

    My First Window Motor Replication

    This is my first Window Motor Replication. I wanted to make in simple so I hollowed out a 2 X 4 and used that as my base. It is about 4.5"s in length. The rotor is made with six 1" X 2" X.5" neo magnets on it. They were taken off of another project. The shaft is .5" aluminum and the bearings are basic steel bearings I got for $5 each at VXB. I cleaned the heavy grease out of them. The wire is trifilar wound with 650 turns of 30ga x2 and 28ga x1. The battery is a Craftsman 19.2V NiCad that generally charges conventionally to 22.5 Volts.

    I am running it on a basic SSG circuit for now, but plan on putting together a half bipolar Bedini/Cole circuit to see what that can do. I have estimated the shaft to be turning between 450-500 rpm's. The amp draw is at 90ma.
    Attached Images Attached Images
    Last edited by DMANN; 10-15-2014 at 03:51 PM.

  2. #2
    I recently stepped up to the half bipolar circuit. I am using all three windings for power and switching with a reed switch every 60 degrees. I am getting around 1500 rpm's know! I can certainly see the potential with this setup. I do have a question here if anyone can answer for me with experience. How important is an earth ground for this circuit? I do not have an independent earth ground set up at my home, but I read somewhere that this is an important aspect of John Bedini's circuits.

    Mann

  3. #3

  4. #4
    man a hollowed out 2x4 wow mind over matter [wood] neat -

  5. #5
    I don't exactly know where the best place to show this but here is my window/newman motor setup

    https://www.youtube.com/watch?v=mclEV44LYPA

  6. #6
    I built this new window motor out of wood and have a question about the energizer coils. First of all I would like to give a description of the build and materials. The window magnet rotor uses two neodymium magnets (2"X 1" X .5") which have a 75 lbs pull force. The wire is a single 19 AWG at 75 turns or 150'. The shaft is 5/16" steel threaded rod rolling between two skateboard bearings (8mm id). I am using a commutator to switch on/off. It spins at just over 5000 rpm's with no load attached. It is interesting that the voltage on the multi-meter jumps all over the place when the motor is running. The battery is a 19.5V Craftsman NiCad drill battery that normally has a resting voltage of 21.2 volts. While the motor is running it jumps around from 28V to 50V. It does lose power over time and there is a reduction in rpm's. This is only a short-term observation.

    I expanded on the design and added the energizer section. The energizer magnets are 12 .5" X .25" round neodymium. I have studied the Advanced book on the generator coil as well as information on the potential energy that is obtained with the Tesla bifilar coil. I am assuming that it is somewhat of the same concept. I will be using 1/16" bundled welding wire for the cores. My question is there a certain gauge of magnet wire that I should be looking to install on my coils to get a desirable affect? 10 strands of 1000' of 35 awg in series? 2 strands of 22 awg in series?

    Thanks for any input!!!

    Doug Mannwindowmotor.jpg

  7. #7
    Here is the link to a short video to show what I have so far. You can see the blue plasma spark. The commutator placement certainly makes a difference in speed, torque, and
    voltage feedback. I still would like some feedback as where I should start with the energizer coils. I am thinking about 30awg 10 strands at 100 feet in series to make 1000 feet. https://www.youtube.com/watch?v=_ynwMFoq2no

  8. #8
    https://www.youtube.com/watch?v=t1GU9Z9C9lA

    In this video I am back popping the run battery with some capacitors when it is off. It certainly looks like it is going to give me some more efficient run times. I am still looking forward to trying some energizer coils with this set up.

  9. #9
    8.5 hours of run time on this setup with no apparent loss or gain. This is with the 12V lawn & garden battery. This is a new battery. I am pulsing the motor as the magnets are leaving the field of wire. It seems like the motor has time to generate some power AC and HV before/ after the abrupt pulse. OU? I think that my commutator is going to need some serious work for a long run.

  10. #10
    Nice work DMANN.
    I am in the process of building generator coils myself. You will notice that Aaron and Peter use a much larger wire than you proposed. what voltage do you desire on the output? If you have a certain gauge wire (30) by all means give it a try. Smaller wire leaves room for more turns, offers higher resistance and higher voltage. More strands offer more options and has a benefit of its own it seems. I have not built the window motor yet and am glad you are sharing your results. Aln

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