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Author Topic: Bedini dc motor hybrid  (Read 20400 times)

Offline jonnydavro

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Bedini dc motor hybrid
« on: September 11, 2008, 12:00:48 AM »
Hi,I have combined a dc motor with a bedini motor.The dc motor is in series with the power coil of my Bedini motor,my Rotor sits on this dc motor.
When i spin the rotor the bedini trigger circuit switches the transistor on which sends power through the dc motor and then the power coil.This does 3 things.
1.The power coil pushes the magnets on the rotor
2.The dc motor(rotor) spins.
3.The capasitor in parallel with the dc motor charges up

When the transistor switches off,the capasitor discharges through the dc motor so turning the rotor when a normal bedini would be free wheeling.
This hybrid motor is spinning really fast on 16mA but will run on a lot less but at a reduced speed
This motor has quite a bit off torque so i will be trying to turn a small dc gen with it.
Regards jonnydavro

Free Energy | searching for free energy and discussing free energy

Bedini dc motor hybrid
« on: September 11, 2008, 12:00:48 AM »

Offline mscoffman

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Re: Bedini dc motor hybrid
« Reply #1 on: September 11, 2008, 02:26:23 AM »
jonnydavro;

You have a neat and interesting idea there. One good generator would be to use a permanent magnet battery operated cassette
tape motor. That is, turning the shaft mechanically rather than suppling any DC voltage to it and measuring the output
voltage produced

You would need to adjust the gearing (belt) ratio to maximize output. (that is; optimise the mechanical impedance)
Then you could use a variable resistor maximize the multiplication product of voltage times milliamperes.
for example you make a table of volts and side by side with milliamps. Then multiply those numbers together to
give milliwatts. You then pick the highest milliwatts that is your maximum power and the variable resistor setting gives
your setup's impedance resistance.

Then you could compare this output milliwatts with your input in milliwatts.
Who knows? you may already have an overunity setup!

If you have overunity you can come back to report it and we could discuss a converter to connect the input to output
to make it an official overunity self-runner. A true overunity machine.


:S:MarkSCoffman




Offline nightlife

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Re: Bedini dc motor hybrid
« Reply #2 on: September 11, 2008, 03:07:28 AM »
That is a interesting circut. Thank you. I may try it on a design I have.

Free Energy | searching for free energy and discussing free energy

Re: Bedini dc motor hybrid
« Reply #2 on: September 11, 2008, 03:07:28 AM »
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Offline jonnydavro

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Re: Bedini dc motor hybrid
« Reply #3 on: September 11, 2008, 11:40:35 AM »
@ mscoffman.Thanks for your suggestion.That method with the variable resistor sounds like a goodway to accurately measure output power.
@ Nightlife. Glad to have helped,let me know if you have any luck.
 
                                                                    regards jonnydavro.

Offline altium

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Re: Bedini dc motor hybrid
« Reply #4 on: September 13, 2008, 12:13:13 AM »
Hi jonnydavro,
do you achieve overunity and perpetual motion with this construction?

Free Energy | searching for free energy and discussing free energy

Re: Bedini dc motor hybrid
« Reply #4 on: September 13, 2008, 12:13:13 AM »
Sponsored links:




Offline jonnydavro

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Re: Bedini dc motor hybrid
« Reply #5 on: February 12, 2009, 12:48:55 PM »
Hi.I have had another look at my DC Bedini hybrid motor and updated it slightly resulting in very low current consumption and extended duty cycle at no expense to the battery.I now route only the bemf through the DC motor.This motor now runs using 3.5mA @12v.It will run on a lot less voltage as i have also run it with my joule thief and cap combo.
Here is a video and updated circuit.
                                                  Regards Jonnydavro
 
http://www.youtube.com/watch?v=P6Jc8mv6xeg

Offline freepenguin

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Re: Bedini dc motor hybrid
« Reply #6 on: March 06, 2009, 02:32:35 AM »

Hi there,

I try to build a self-charging Bedini motor. I'm new to this area.
If the motor getting self-charged during operation, I think I can use the rotation of shaft of motor to create AC current like the alternator does.

Your Bedini motor looks simple and the DC motor comination is interesting.
DC motor can be used to creat AC current.

Can you show the component list?

Thanx

Free Energy | searching for free energy and discussing free energy

Re: Bedini dc motor hybrid
« Reply #6 on: March 06, 2009, 02:32:35 AM »
Sponsored links:




Offline jonnydavro

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Re: Bedini dc motor hybrid
« Reply #7 on: March 06, 2009, 11:09:57 PM »
Hi Freepenguin.The circuit diagram and all components are posted in the previous post to yours.It is a simple motor to build and i am sure you will have a lot off fun experimenting,It sounds like you have a lot planned.Please keep us informed off your results.Regards jonnydavro.

Offline freepenguin

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Re: Bedini dc motor hybrid
« Reply #8 on: March 07, 2009, 01:08:30 AM »
Hi Freepenguin.The circuit diagram and all components are posted in the previous post to yours.It is a simple motor to build and i am sure you will have a lot off fun experimenting,It sounds like you have a lot planned.Please keep us informed off your results.Regards jonnydavro.

Have you thought about turning car alternator shaft using the DC motor in your Bedeni system which is successfully running? Because car alternator is cheap to operate, reliable, it generates decent electricity for running most house-hold appliances.

Bedini system -> DC motor -> Alternator -> 12V car battery -> Inverter

There are DC to AC inverters rating 1k+ W for car audio systems.


Free Energy | searching for free energy and discussing free energy

Re: Bedini dc motor hybrid
« Reply #8 on: March 07, 2009, 01:08:30 AM »
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Offline jonnydavro

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Re: Bedini dc motor hybrid
« Reply #9 on: March 07, 2009, 02:38:31 AM »
Hi Freepenguin.The motor i have made is small and for proof off concept.It does not have the torque to turn a car alternator which requires a lot off torque to turn especially when under load.This motor could probably spin an identical dc motor top and tail fashion like i have done with my joule thief  DC generator.Here is a video off it to show you what i mean.
http://www.youtube.com/watch?v=5ynFm-JwYjY
If you want to spin a car alternator.The following  version off my DC  Bedini motor is probably better suited.
The DC Motor/rotor is wired where a slave coil would be.
The second Rotor is a free wheeling rotor and is powered by the power coil pulse and acts as an anti stall device if the powered rotor slows down to much.This motor produces a lot of torque (it will take the skin off your finger as i found out)for a not so big current draw.
Another interesting thing about this motor is the amp draw decreases under load.The meter in the video is showing amp draw of 360mA.the power supply is 36v 0.5a. The motor used is From a 24v electric scooter
Here is a vid
http://www.youtube.com/watch?v=NuPHWPai4uQ
I will try to dig the circuit for this out for you and when i find it i will post it.
Hope this helps.
                        regards jonnydavro

Offline jonnydavro

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Re: Bedini dc motor hybrid
« Reply #10 on: March 07, 2009, 01:18:31 PM »
Hi.Here is the circuit diagram for the 2 stage Dc Bedini Hybrid in the video in the previous post.
Regards jonnydavro

Free Energy | searching for free energy and discussing free energy

Re: Bedini dc motor hybrid
« Reply #10 on: March 07, 2009, 01:18:31 PM »
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Offline Thaelin

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Re: Bedini dc motor hybrid
« Reply #11 on: March 08, 2009, 12:41:21 AM »
   I was looking for a gen head some time back and wondered as to the
use of a car alternator. I went to the rebuild shop and talked to the guy
there. He told me that you have to have 1500rpm for the unit to start doing
anything worth while. Full out put takes 5 amps input and about 4 to 5 HP
to turn it. A very lossy system.
   You may want to look into low speed wind gen heads as an alternative.
They will put out good power at around 500 rpm. Just pay attention to the
problem of cogging. A 9 coil 12 mag setup may well deliver what you need.
This paired up to a Bedini motor may well fly. I have not got that far yet. Just
let the motor wind up and then turn on the output of the gen head and then
adjust the base resistance to keep it there. Make sure to use fast recovery
diodes in the three phase diode set..

thaelin

Offline freepenguin

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Re: Bedini dc motor hybrid
« Reply #12 on: March 09, 2009, 05:34:28 AM »
Hi.I have had another look at my DC Bedini hybrid motor and updated it slightly resulting in very low current consumption and extended duty cycle at no expense to the battery.I now route only the bemf through the DC motor.This motor now runs using 3.5mA @12v.It will run on a lot less voltage as i have also run it with my joule thief and cap combo.
Here is a video and updated circuit.
                                                  Regards Jonnydavro
 
http://www.youtube.com/watch?v=P6Jc8mv6xeg

I saw your two videos on Youtube.
Your project looks promising to me. :)
The bigger one looks really cool. How long it would run?
The simple answer of OU is the running time of the Bedini sysem. Any given battery has measured drain period.

I have three questions about your schematic.
The first one is:
R2 is a 100 Ohm resister or capacitor?
1K and 20K resisters are both variable ones?
Those two resisters have arrow.

Secondly, what's the strength of magnet on your Bedini system? The spec on datasheet.
I know the size of wires and strength of magenet determines the voltage from the coil when the magenetic field collapses.

I've looked three different Bedini systems including the hand drawing one by John Bedini. All of them skipped the specification of magnet being used.

The last question. :)
I think I need to have an ammeter that measures upto mA so that I can check the current on the circuit while in operation. What type of ammeter do you recommend?

Checked few electrical parts suppliers. Only one place sells AWG26 and AWG22 wires but 610 meter roller.  ??? It will take some time for me to get all the parts ready before starting to build.


Offline jonnydavro

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Re: Bedini dc motor hybrid
« Reply #13 on: March 09, 2009, 09:44:18 PM »
Hi Freepenguin.The Big one was running off a dc adapter as i did not have 3 good car batteries.
Regarding the circuit.R2 is a resistor and the 1k and 20k are both variable resistors.I use 2 for tuning.
The magnets are 20mm x 5mm neodymium rods grade N38.
An ampmeter is important but i would not spend a great deal off money on one yet.Buy a cheap one first and that will give you a rough idea off whats going on and maybe get a better one later which reads TRMS values.
Another thought.As you are struggling to find materials,have you thought about building a Bedini Fan.This is a great project to start with and you will get results quick and you may have most off the parts lying about in an old pc power supply.
I wish you well with your experiments and keep us informed off your results. ;D
                                                                                        Regards jonnydavro

Offline jonnydavro

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Re: Bedini dc motor hybrid
« Reply #14 on: March 12, 2009, 12:06:03 PM »
Hi.I did a test using this motor to run a generator in october 2008 with some interesting results.The motor was running off a 36v adapter and was spinning an identical 24v scooter motor as a generator which was charging a 12v car battery.The interesting thing about this motor is the current draw does not increase under load.I thought the video off this test was lost but i have recovered it from a dead hard drive which i will now put to good use..Here it is.
http://www.youtube.com/watch?v=wg8B5bzrn2U

Regarding the use off car alternators as generators,Thaelin gives good advice.PMA alternators are the ones to use but they are expensive but much more efficient as gens.
Another alternative would be stepper motors.Here a link with some good imformation on steppers.
http://www.reuk.co.uk/Electricity-with-Stepper-Motors.htm
                                                                     Regards jonnydavro


 

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