From Matt, back in the day...
Also the AMP draw on a Tesla switch and Battery may be quete a bit different in the case of motor.
The reason primarly is the BEMF on the motor. When you ground a motor to run it both poles will create BEMF. This energy has to be disapated before current will flow. Reducing your actual flow time, and amount of flow. Also reducing the amount of energy actually doing work.
Running on a tesla switch you are only using either pole to run the load and nothing is grounded. BEMF is still being produced. but on a smaller scale and I suspect only on one pole. The pole that is opposite the polarity your on.
So if you are running on the ground side of the battery the North pole attracted part of the motor is making BEMF. This is my Theory I am still building up for testing. A Unipole motor may solve BEMF all together.
I have seen limited amounts of this on my scope in one way tests.
When watching the OUTPUT side of the motor on tesla switch you'll see 2 occilations. One is clear and obviously an ON/OFF wave. The other rises then falls but has both positive and negative spikes indacating BEMF. Depending on what side of the motor I power and what polarity of current I use the wave changes.
Also running test for the long term I have seen My batterries do not maintain the charge.
I have 4 Walmart lawn and Tractors. Hook the motor up straight to the batteries (all 4) in parrallel the motor will run the batteries down in 56 hours. Thats from 13.00 volt to 12.00 volt.
If I run the tesla switch till the batteries are dead (and they do die) it takes about 432 hours.
Thats about 8 times longer of a run.
I've tested the motor and gots docs on it its about 65% efficient when running under 12 volt.
I figure if the Tesla Switch is allowing for 8 time more runtime then I am recollecting about 85 - 90 % percent of the energy, I'm passing through. I know batteries loose maybe 5% percent because they are lead acid. The rest is lost through BEMF in the motor. This is what I am attempting to solve NOW.
So back your question why 250ma one way and 500 the other. Well you have dramatically reduced the amount of BEMF in the way.
The reason it does not feel any more powerful is because of the same thing I do not beleive that Both poles in a conventional motor are doing a full amount of work. So the motor runs slower or less powerful."
Matt
So what happens when you run a Unipolar motor in the CORRECT direction on a Tesla Switch? https://www.youtube.com/watch?v=QQRUclDiruw
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Originally posted by wantomake View PostBroMikey, are these your videos or someone else? If yes, then you're really busy!!
I'm trying to get back to building a Adam's type small motor to use as switch on the 4 Battery Switch setup. Then I'll change some things to test with. Already tried the Carlos Benitez car relays switching that was really hard to get right. Burnt several wires with sticking relays. I've already taken apart the Peter Lindemann setup with 4 DPDT switches.
Just waiting to get cooler here so I can do more in the shop.
Good luck on your new setup
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BroMikey, are these your videos or someone else? If yes, then you're really busy!!
I'm trying to get back to building a Adam's type small motor to use as switch on the 4 Battery Switch setup. Then I'll change some things to test with. Already tried the Carlos Benitez car relays switching that was really hard to get right. Burnt several wires with sticking relays. I've already taken apart the Peter Lindemann setup with 4 DPDT switches.
Just waiting to get cooler here so I can do more in the shop.
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Turion
I I believed Tesla wrote somewhere that for better efficiency the load should be between two positives. I'll look it up, I could be wrong.
And for some reason this circuit shows better efficiency than conventional one, i saw that here and on YT some examples.
regardsLast edited by padova; 08-24-2022, 11:01 AM.
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Screen Shot 2022-08-24 at 3.34.02 AM.png
Tesla had NOTHING to do with the Tesla Switch. Ronald Brandt designed it. Bedini modified it. The original name was POSSIBLY the Brandt-Tesla circuit. It was presented by Bedini at the Tesla Symposium. Then it became the Brandt-Bedini Tesla Switch and now the Bedini-Brandt Tesla Switch or just the Tesla Switch. At least as far as I have been able to discover. Everyone has their own take on history.
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Basically, all current flows through the negative line.
So that line should be heavier than the positive line, if it's not heavy enough already.
That should be something as the first thing to do, the rest may know better those who practically experimenting.
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I think this thing with three batteries, running load between the positives, has something to do with flow of the current, Conventional vs. Actual flow.
Conventional Current assumes that current flows out of the positive terminal, through the circuit and into the negative terminal of the source. This was the convention chosen during the discovery of electricity. This should be wrong.
Electron Flow is what actually happens and electrons flow out of the negative terminal, through the circuit and into the positive terminal of the source.
So when you run a load between two positives, how do the electrons flow?
Tesla was very clever engineer.Last edited by padova; 08-24-2022, 08:26 AM.
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