Newman Motor Replication- Brushless Commutator

[rabidowski]

If I understand Newman's theory correctly, the key is to "trap" electron flow in the coil by shifting them back & forth fast enough. He originally used a 55 mile coil! When going small scale like this, you have to also increase the on/off (for the EMF collapse) so it would be fast enough to "trap" the electrons. His theory is that they move at the speed of light. So if your coil is too short, it's gonna be near impossible to time it right.

[jasonspinmaster]

better still you can always use an optic sensor

[bluestix]

Why not use a Hall Effect Switch?

[crazzieg]

Put another neon across the reed with a .01uF that will stop the arcing or use a 1N4008 to shunt the reed. The reason for the Xistor not working to well is because the reed can only be cycled just so fast,say a 1000 contacts/sec. A 400V darington with a trigger coil can go up to 100,000 contacts/sec or more easy.The Xistor should have stopped the arc all together if it was biased right. Googley relay suppression.

[TheB3e]

Thanks for the tips.. I have a few darlingtons sitting here and another Neon too.. will give it a try!

[digoron80]

Can I order one from you? If you are in the States, of course... Or can we contact and talk on the phone or something...

[TheB3e]

Ok, I tried your suggestion with putting a neon across the reed. What happens is the neon will light up but when it does, the neon "upstream" goes out. What Ive noticed is that as long as I have an electrical load on it, I dont have to worry about the neon. As soon as there is a load the neon goes out anyway sending all power instead, to the load (caps & Batteries)

[TheB3e]

The transistor did stop the arching and once it was introduced into the circuit I noticed I could no longer get the Neons to light up, with or without an electrical load. This may or may not be a problem. If I had a scope I could see if the the back voltage is still returning multiple high voltage charges back into the circuit.

What I found was with the transistor- battery charges slower but circuit draws less amps with larger loads. But will draw more when input voltages are increased.

[armakuni2000]

Very very interesting we could try to rise up the voltage more than this...

[TheB3e]

Yeah, Joseph Newman actually uses a transformet to up the voltage and has his supply batteries wired in series. He claims its "speed" or "time" that produces the big gains not the amperage. I notice by using 2 9V batteries wired in series the motor runs faster, and can fill a 200V cap bank very quickly. Pretty interesting stuff! Thanks for all the ideas.. lets keep going!

[TheB3e]

Thanks for the positive feed back. The funny thing about this type of Motor is just when you think you got it all figured out.. you find out you DON'T!

An Interesting find last night was, the motor charges a 200V 1500uF Capacitor way faster than a 10V 1500uF Capacitor? I thought it should be the other way around.. So now off to buy a bunch of 200 Volt caps

One thing I found last night was that this motor will charge up a 200V 1500uF Capacitor way faster than a 10V 1500uF.. It seems like

[MoonSpyStudios]

Sweet,,

Good job B3e

Bill-Nerdgroup

[Kntryhart]

I tried the alarm system reed switch also. I think you'll discover that it doesn't have the duty cycle (life) to go the distance.  Good luck. Nice setup!

[TheB3e]

I was wondering that! I got another idea for a heavy duty reed switch off of another Youtube member that can easliy be made.

I think what might kill it is the same that ends up killing the batteries - Back EMF and collapse field Spikes.. Since the Switch is only rated for 20V I doubt also that it would take back spikes all day long. I tried the transistor method with the reed and wasnt impressed, so I ditched it and just went straight reed switch.. I hope the Neon bulb will help

[armakuni2000]

how is the coil?