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Author Topic: My Perendev Replication  (Read 23965 times)

Offline matthew6060

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My Perendev Replication
« on: April 27, 2010, 09:32:33 PM »
I work in a machine shop with some pretty smart guys.  we are not engineers though nor are we physics majors.  we do believe that the Perendev design would work if all of the bugs were worked out.  we built this motor a few months ago right before i stumbled across overunity.com.  we used 0.5in x 1in neodymium magnets and it does not run.  we set it up in repulsion and have tried a few different combinations of magnets in the stator.  through researching this device i was blown away by all of the different devices and ideas that people have come up with.  if anyone has any input good or bad i am all ears. 

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My Perendev Replication
« on: April 27, 2010, 09:32:33 PM »

Offline Magluvin

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Re: My Perendev Replication
« Reply #1 on: April 28, 2010, 12:25:09 AM »
Very nice machine job. What is the material you used, red Plexi?

Mags

Offline Magluvin

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Re: My Perendev Replication
« Reply #2 on: April 28, 2010, 12:31:51 AM »
Now that I think about it, this is very much the same as my setup, use the majority to push the 1 through the sticky spot. One of the problems I have encountered with this platform is the sticky spot is big. Thats why there are 3 rotor/stator sections, so that2 sections ar in push/pull mode to get through the 1 sections sticky spot. Maybe more sections. But I think we have all said that before. ;]

Does it spin smooth? Are the rotor mags even count and the stator odd?

Mags

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Re: My Perendev Replication
« Reply #2 on: April 28, 2010, 12:31:51 AM »
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Offline matthew6060

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Re: My Perendev Replication
« Reply #3 on: April 28, 2010, 12:32:00 AM »
no, it is urethane i believe.  it's expensive stuff but i was able to get all of the material required out of our scrap pile.  i made it so that each layer consists of 2 halves that sandwich together to squeeze the magnets in place.  that way i was able to make everything laying flat on a cnc table...  we thought that the material would be able to shield the magnets by itself but that was wrong.  i was already almost done in the cnc by the time we recieved the magnets in the mail...

Offline matthew6060

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Re: My Perendev Replication
« Reply #4 on: April 28, 2010, 12:33:58 AM »
the stator and the rotor have the same number of magnet pockets...

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Re: My Perendev Replication
« Reply #4 on: April 28, 2010, 12:33:58 AM »
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Offline Magluvin

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Re: My Perendev Replication
« Reply #5 on: April 28, 2010, 12:36:24 AM »
One thing I havnt seen yet with this is the use of what Mylow would call a Permeability plate, which would be an iron ring on the outside of the mags to connect those poles together. Maybe Perendev had that inside his rotor and shell and it could not be seen, if he had a working model.

Mags

Offline matthew6060

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Re: My Perendev Replication
« Reply #6 on: April 28, 2010, 12:37:31 AM »
as far the spinning question:  i wanted to go with bearings but we ended up going with silicone bronze bushings, the idea being that if it won't freely turn with bushings then it won't ever have the torque required to rotate a generator under load.  however if you spin it by hand it will rotate easily, also the rotor probably weighs 20 pounds.

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Re: My Perendev Replication
« Reply #6 on: April 28, 2010, 12:37:31 AM »
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Offline matthew6060

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Re: My Perendev Replication
« Reply #7 on: April 28, 2010, 12:39:47 AM »
also: the bolts and all hardware are stainless.

Offline Magluvin

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Re: My Perendev Replication
« Reply #8 on: April 28, 2010, 01:00:10 AM »
Have you tried any timed rundowns from a set rpm to see if it runs longer in 1 direction or the other?

That will determine if the effect, as you have it, is there at all.

Mags

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Re: My Perendev Replication
« Reply #8 on: April 28, 2010, 01:00:10 AM »
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Offline matthew6060

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Re: My Perendev Replication
« Reply #9 on: April 28, 2010, 08:57:30 AM »
no we have not tried anything like that...  my next step is going to be sourcing pipe or tube with a 0.5in ID so that i can make shields for the magnets.  then i will need to pin the pieces to the table of the cnc using the bolt holes for location and open up all of the magnet pockets to accommodate the new OD of the new shield and magnet combo.  much that i have read strongly suggests that shielding plays a major role in this motor.  i intend to use mild steel with something like a 0.125in wall for a shield.  do you think that the shield could be made open on the top and bottom like a tube or do you think that a shield that cups the magnet with a steel bottom is better?  if i go the cupped route it will require much more screwing around than one that is open on both ends.  also it would be difficult to remove a magnet from a cupped piece of steel.

Offline Magluvin

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Re: My Perendev Replication
« Reply #10 on: April 28, 2010, 10:24:48 AM »
Im not sure i would call it shielding. At the end of the pipe that is close to the open end is where the pole you are trying to shield will be. The iron just acts as a path to the other side, that is what magnet fields do is seek the other side. So at your opening, some of the field that you expect to be present will be attracted to the edge of the pipe for an easy path to the other side. So I cannot tell you for sure that it will help.
From what I know, Perendev used a different no. of mags on the shell as compared to the rotor so that only 1 rotor and shell mag are on top of one another and the rest are gradually out of sync.

Mags

Free Energy | searching for free energy and discussing free energy

Re: My Perendev Replication
« Reply #10 on: April 28, 2010, 10:24:48 AM »
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Offline Magluvin

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Re: My Perendev Replication
« Reply #11 on: April 28, 2010, 06:34:20 PM »
Well  342 views so far, =]   Let it brew for a bit.

Mags

Offline ramset

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Re: My Perendev Replication
« Reply #12 on: April 28, 2010, 07:19:28 PM »
Well

Ehrfinder built a drum motor using a V gate config on the drum.
he had it on his web site [which I lost in a crash]
Does anybody have that address?

Putting a "gate" that works ,onto a drum ??

Chet
BTW
Mat
Nice build !
Welcome!

Offline matthew6060

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Re: My Perendev Replication
« Reply #13 on: April 28, 2010, 07:29:55 PM »
well then today may be better spent exhausting all of the perendev information on this site before digging into this thing again.  ive also heard of using diametrically opposed magnets in the stator which effectively attract the rotor magnet toward them and then oppose them.  there are so many variables to this thing, i can see how people who work on stuff like this in their spare time can take a long time to get it all worked out.  i do know that in the original patent he called for shielding...

Offline jacko

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Re: My Perendev Replication
« Reply #14 on: April 28, 2010, 07:40:43 PM »
Nice work so far. You're going down the right road. I'm glad to see that you're using magnets alone, because that's all you need to make a device like this. Now I think you should forget about shielding, it wont make any difference in the long run! If you want to get this thing to spin, you have to get past the so called sticky spot. For to do that you have to try to get your outside ring to rotate againest the inner one. This could double your usable power output and cause the inner ring to run much faster, and with speed comes power.

 

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