Bedini Ferris Wheel Regauging Motor

[ren]

John Bedini,

Im working on my rotor right now and I have a question regarding magnet spacing. Im using the rotor seen here YouTube - DC/AC Magneto

Its 500mm diameter and HAD 16 magnets, NSNSNS etc. I have knocked out every south magnet, but before I reglue them in I wanted to ask if there will be sufficient spacing between magnets if I convert this to all north? Its a little over 2 magnet spacings between magnets, so it conforms to the monopole standards, but would I be better off using only 8 magnets and having a larger gap inbetween with which to time the recovery?

I guess what I am asking, is it easier to time correctly with a larger gap between magnets, or can we stick to the average rule of thumb of 2-5 magnet spacings?

Im really looking forward to getting this up and running.

Regards

[cody]

Got my motor running. From what ive observed so far, i was not quite correct on my guess where the switching was. Ive been getting good results switching before TDC with an attractive pulse. Seems to run the best if the pulse ends right where the coils generated sign wave just starts to decrease, so the pulse ends a little before TDC. Picture of scope shot across coil below of switching. Still more testing to do. I was going to try and use 2 switches and do a bipolar or flip flop type setup, but it seemed to run better with just one switch, i may have had something rigged wrong there. Still need to order proper circuitry, just getting it going with reeds for now.

[Matthew Jones]

Using one wire off the bifilar as the trigger. All 3 coils in parallel. 2200 ohm resistor from collector of mpsa06 to base of MJL21193. 18000 ohm resistor on trigger to base of mpsa06. I just recently removed the resistors from base to emmiter on both 91193 and 21194, no noticeable difference. Resistors are all 1/2 watt. Outputs from both collectors of 21193 & 21194 to full bridge of 1n4007's and 10uf 250v cap back to source. This set up was 25ma 12 volts @ 2310 rpm's.
I'm still playing with it to see how much lower I can go on input. Any other questions let me know.
Mark

Thanks Mark
Matt

[Matthew Jones]

I am hoping to try this thing either later today or tomorrow, but I had an idea it might be worth testing.
You may wanna see what happens when you close that magnetic loop and make PMH out of the coil. Add the plate across the coil

See if the current draw doesn't go down. You should technically get the same effect out of it, but the magnetic current may hold in the iron. Then all you would need is some real little pulses to change the direction of the existing currents.

I just thought I would put it out, being its an easy test and all.

Matt

[woopy]

Hi all

this is the part 3 of my home work on the understanding

i tried about all what i have to disposal on this circuit

I was very surprised ,that the MO (microwave oven ) fan motor coil with about 200 Ohm resistance and on the scope produces really strong kick back spikes,(more than 200 volts) could not light the Led ramp
, as i can easily do with the much lower ohmage PMH coils

OK something to think about

and good luck at all

Laurent
YouTube - pulse motor with pmh armature test 3.wmv

[mklimesh]

It runs

Got it running with B/C switch and hall.
After years of placing the magnets 'close' on my builds, I got a rotary indexing table so the magnets on the main wheel and the timing wheel on this one are right on.
I need to build a frame for this one to replace the temporary one and get some real bearings.
As adjusted now when I hook up the input battery it kicks backwards to the next magnet then goes the other way and runs.
Its a start (+_+)

Mike Klimesh

[chuck H]

Update on 3 pole kit. Now has hall switch. Still need to take readings on everything before next step. Does not self start yet. But I think I know why and will reconfigure it after I take some readings. Then will install cap. Starting to understand johns big wheel a little. Once this is done mabye i will try it on a larger scale... YouTube - bedini 3 pole with hall switch 12 12 2010 3 56 PM

[John_Bedini]

Bedini GT3

Chuck,
Ok it running, now move the rotor to 1/2 the pole piece and adjust the timing and it will self start. First it will go backwards then it will start.
John B

[cody]

New video that may be helpful

YouTube - Switching Permantent Magnet Field.wmv

[John_K]

Why JB says use soft iron

Hi All,

This is why JB says to use soft iron...

Leedskalnin PMH Replication Movie

(Thanks to Guy Bradley on the BM2 list for posting)


John K.

[david.brown]

Motor Layout for Discussion.

Hi All,

This is my first post so please be gentle.

I'm new to forums.

I have been following this post quite a lot hoping to gain a bit of wisdom from everyone and hopefully have a constructive input.

@John Bedini,

I have been studying you technology for a while now and I would just like to say thank you for sharing you knowledge with us.

I have put a very broad brush drawing together, I have still a lot of stuff in my head that I will be putting on to the drawing also the information that you have already posted on the forum I want to put on to the drawing, but I thought I might as well put it out there for discussion, I was hoping that an overview of the entire machine may help the group see something in a different way.

I have a lot to learn and I am very willing to learn, if the drawing is wrong I am more than willing to change it. If it is completely wrong I am more than willing to completely start again.

The drawing is of a 4m tall Bedini Ferris Wheel, I was trying to stay as close to the original size as possible to try and make it accurate.

Hope I can help,

David Brown (Belfast).

UPDATE:- 13-01-11.
THE INFORMATION ON THE ATTACHED DRAWING IS COMPLETELY WRONG, AFTER A LITTLE MORE TIME ON THIS FORUM AND FURTHER STUDY I KNOW FOR A FACT THIS DRAWING I ORIGINALLY POSTED IS COMPLETELY WRONG.
I GOT A BIT TO EXCITED AND POSTED IT A BIT TOO EARLY, I SHOULD HAVE WAITED UNTIL I UNDERSTOOD THE MACHINE A BIT BETTER.
EDITED ON THE 13-01-11.

DAVID BROWN (BELFAST)

[nvisser]

Got it running with B/C switch and hall.
After years of placing the magnets 'close' on my builds, I got a rotary indexing table so the magnets on the main wheel and the timing wheel on this one are right on.
I need to build a frame for this one to replace the temporary one and get some real bearings.
As adjusted now when I hook up the input battery it kicks backwards to the next magnet then goes the other way and runs.
Its a start (+_+)
Mike Klimesh

Hey Mike.
I like your setup.What is the diameter of that wheel. It made me think that maybe the wheel from a automatic washing machine could work.

[mklimesh]

33 inch
Wovel :: World's Safest Snow Shovel!

Mike Klimesh

Hey Mike.
What is the diameter of that wheel.

[Mark]

33 inch
Wovel :: World's Safest Snow Shovel!

Mike Klimesh

Does the shovel work good, just watched the video? We're getting a bit of snow here in Michigan. Did you disassemble your shovel or can you purchase the wheel seperate?

Here's another option for a 44 inch wood wheel, just need to remove the steel outer tire, or maybe it could be ordered for less with out it.
44 Inch Functional Wood Buggy Carriage Rear Wheel with a Steel Hub and 1 Inch half 1/2 round Steel Tire or Flat Steel Tire

Thanks, Mark

[david.brown]

sorry

Hi all,

I just saw a few stupid mistakes on the drawing sorry I will change them and re-upload .

David Brown (belfast)

Hi All,

This is my first post so please be gentle.

I'm new to forums.

I have been following this post quite a lot hoping to gain a bit of wisdom from everyone and hopefully have a constructive input.

@John Bedini,

I have been studying you technology for a while now and I would just like to say thank you for sharing you knowledge with us.

I have put a very broad brush drawing together, I have still a lot of stuff in my head that I will be putting on to the drawing also the information that you have already posted on the forum I want to put on to the drawing, but I thought I might as well put it out there for discussion, I was hoping that an overview of the entire machine may help the group see something in a different way.

I have a lot to learn and I am very willing to learn, if the drawing is wrong I am more than willing to change it. If it is completely wrong I am more than willing to completely start again.

The drawing is of a 4m tall Bedini Ferris Wheel, I was trying to stay as close to the original size as possible to try and make it accurate.

Hope I can help,

David Brown (Belfast).