Motor Generators

[BroMikey]

I know somebody who took this and it helped. Walmart use to sell it back in the 80's till to many people went off the road.

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It is back
https://www.google.com/search?q=tryp...23722805190066

[Turion]

Tomorrow I will connect up a Variac with a BIG bridge rectifier to get it up to the RPM needed for neutral Lenz and can start testing some coil outputs.
https://youtu.be/nX72tsL_X_c

[BroMikey]

Tomorrow I will connect up a Variac with a BIG bridge rectifier to get it up to the RPM needed for neutral Lenz and can start testing some coil outputs.
https://youtu.be/nX72tsL_X_c

Hey that is cool 1750 rpm and only 55vdc. So maybe you will end up at 75vdc. But for 1750 rpm it takes 3 amps. 55v X 3A = 165W The amps may not go much higher even at 100v.

[Turion]

Wasn't sure what it would take to run this new machine, but I figured less than 400 watts, and was pretty sure it would be less than 300. I have a couple days to play around before the guys come back on Monday. I should be able to get some serious testing done by then.

Next up is data on required RPM for neutral operation of a coil pair under load, and getting output of a single coil pair to the load at that frequency. That's where the rubber meets the road.

THEN implement magnetic neutralization as sets of coils are installed

[BroMikey]

Wasn't sure what it would take to run this new machine, but I figured less than 400 watts, and was pretty sure it would be less than 300.

Well motors want to free wheel at 20-30% of their full run load capacity and this should be 2000w X 20%=400watts but that is for the cap run induction motors. These motors are much less and a great choice. I assume it has brushes? The motors max efficiency is found when you run it at 3000 rpm or maybe more and maybe a little less. That makes this motor well suited in many ways. At 2800 rpm's you will probably be at 80vdc and don't be surprised if the amps drop and you have to go to 85vdc. I only wish you could a converter supply that runs 110vdc on the output. The one you have is nice. Maybe 350w with the tuning of antidrag magnets

[Turion]

My Variac will output up to 120V AC, and with a bridge I can convert to DC. What I will be interested to see is the voltage and amperage output of one coil pair compared to what the motor requires to run at the required RPM for Lenz neutral. I don't know FOR SURE what that is yet. Tomorrow's another day.

[BroMikey]

. What I will be interested to see is the voltage and amperage output of one coil pair

you may have to put a coil pair in parallel to get more than 1.5A. A coil set putting out 140vac for the in series connection would mean 70vac each. Rectified to 90vdc might be just about right. 4 coils in parallel?

Or maybe 90v X 3A = 270w is enough? Even if this process takes 4 coils to run this motor you will have 1000w left over to burn. But the 4 coils drive circuit will have 520 watts to run on would have 200w not being used. Starting the box cold turkey is another subject.

[Turion]

I already bought a heavy amp switch designed to switch the machine between two DC power sources. Start it on the Variac with the bridge and switch over to coil production when it is running. It doesn’t have to work perfectly. It is just a prototype. Let an EE work out the kinks.

[BroMikey]

I already bought a heavy amp switch .... Let an EE work out the kinks.

I like my starting circuit better

[BroMikey]

Let's say that it takes 4 coils in parallel or in series and you hook straight to the motor and the motor wants to run at 3600 rpm's but with a 24 magnets speed up come at 2300 rpm's. What then is put light bulbs across the motor say 40w, 60w,, 75w and use bulbs to lower ther speed down to wherever you want it instead of fancy circuits. Bulbs love DC power and you can get a good reading of how much power is there.

Once you put out some data and the data doesn't change from day to day maybe someone will build a circuit for it that isn't a waste of time. You have 16 versions not able to sustain more than 30 minutes without a meltdown. Nobody will build anything for those

[BroMikey]

I know you are pinched for money and time but for the evolution of this design others maybe interested to see this new motor upgrade. This motor can do 20 amps for quite awhile at 48vdc. The reason it is best is that cheap boost (adjustable) are readily available to control it. If nobody wants to fund this project fine. Let Dave battle it out on his own. Same format Dave has bolts hole for. Plus he already has a number of machined fittings to sleeve the shaft he spent big money on.

https://www.ebay.com/itm/15173661962...8AAOSwTepfWD8S

[BroMikey]

Probably a boost or buck converter is better and just as cheap.
These are great for a project. $20 bucks

https://www.ebay.com/itm/25528918305...IAAOSwiMVhwVWg

[BroMikey]

Calling all circuit wizards 35$ bucks pre-made hook it up, come on make sense. This one puts out 20a at 50vdc all day and takes in 110vdc. This is exactly what is needed for the motor upgrade. Clean and quick, do it.

https://www.ebay.com/itm/36368519020...0AAOSws4Rh2~iM

WZ10020 1000W Step Down Module DC Buck Converter Output 0-100V MPPT Solar Panel Charging Power Supply

[Turion]

Pulling 70 volts on the Variac and it is only rated for 5 amps I believe. Will have to look at that. So 2800 RPM is easily achievable with this setup. Next step is to test two coils. Will do that this afternoon. Gonna rest my hand for a bit. It is not happy about being put back to work. It is broken but almost perfectly aligned, so no surgery. Besides, it’s close to lunch time. Any excuse not to work.

Go in Tuesday to have a long term splint made. For now my hand is just wrapped and I can’t use it without regretting it.

if two coils without magnetic adjustment do not draw too many amps from the Variac, I can at least get the required RPM figured out and two coil output to load data today.


https://youtu.be/jkPACdHWg8k

I have nightmares about that motor you show. I had the shaft on one of my MY1020 motors just break off. Fortunately, at the time, I was using it to direct drive the generator. With the belt and pulley arrangement I have now, if that happened I can just imagine things flying around. With the sleeve I had made and a pulley, there is even more stress on the shaft. Unless you are going to use it as a direct drive motor, I wouldn’t recommend it. And even then I would be extremely cautious.

At the time the shaft broke I did NOT have magnetic neutralization figured out yet, so there was a lot more torque on the shaft to turn the rotor. If I switch this back to direct drive ( the eventual plan) I will keep that motor in mind.

[BroMikey]

Pulling 70 volts on the Variac and it is only rated for 5 amps I believe. Will have to look at that. So 2800 RPM is easily achievable with this setup. Next step is to test two coils. Will do that this afternoon. Gonna rest my hand for a bit. It is not happy about being put back to work. It is broken but almost perfectly aligned, so no surgery. Besides, it’s close to lunch time. Any excuse not to work.

Go in Tuesday to have a long term splint made. For now my hand is just wrapped and I can’t use it without regretting it.

if two coils without magnetic adjustment do not draw too many amps from the Variac, I can at least get the required RPM figured out and two coil output to load data today.


https://youtu.be/jkPACdHWg8k

I have nightmares about that motor you show. I had the shaft on one of my MY1020 motors just break off. If I switch this back to direct drive ( the eventual plan) I will keep that motor in mind.

Darn it I didn't know that, sorry, let me give it some thought. There is another version same size pmm with a regular shaft goes to 100vdc. I find it again, brb on that one

Anyway you need to rest and the crew needs to pick up the $%@^& slack, next weekend? Tuesday is along way to get a doctor. I have to wait till mar 8th and it hurts.

Thanks to your team you are getting some progress, great guys, buy pizza and brewski's

edit: https://www.ebay.com/itm/30339971352...4AAOSwPsJXP2fh

edit: All shaft coupler must have a retaining pin https://teamknkhardware.com/replacement-parts-hop-ups/1392-enduro-pivot-balls.html

https://teamknkhardware.com/replacem...vot-balls.html