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Author Topic: Are Tommey Reed´s pulse motor circuits overunity ?  (Read 159669 times)

powercat

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Re: Are Tommey Reed´s pulse motor circuits overunity ?
« Reply #135 on: April 26, 2009, 11:03:15 PM »
@powercat,

In the newest posted run (above) :

Input 69,4 Volt 23 Ampere = 1596,2 Watt
Out   38,1 Volt 31 Ampere = 1181,1 Watt
73,99 % efficient.

Regards,
Groundloop.

Hi Groundloop

Yes this looks impressive
Are you still of the opinion that  his method of measuring are inaccurate

cat

Groundloop

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Re: Are Tommey Reed´s pulse motor circuits overunity ?
« Reply #136 on: April 26, 2009, 11:08:24 PM »
@powercat,

In the newest posted run (test run 3 above) :

Input 61,4 Volt 17 Ampere = 1043,8 Watt
Out   29,7 Volt 24 Ampere =  712,8 Watt
68,28 % efficient.

I do not think that his clipon meter is 100% correct. But if we use his numbers then we get a system that
has more loss than a ready made (store bought) inverter.

Regards,
Groundloop.

powercat

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Re: Are Tommey Reed´s pulse motor circuits overunity ?
« Reply #137 on: April 26, 2009, 11:15:34 PM »
47

Pulse Generator, test 4 with 96v batteries
http://www.youtube.com/watch?v=lLOMUXEIiQg&feature=channel_page

cat

Groundloop

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Re: Are Tommey Reed´s pulse motor circuits overunity ?
« Reply #138 on: April 26, 2009, 11:24:19 PM »
@powercat,

In the newest posted run (test run 4 above) :

Input 93,3 Volt 10,5 Ampere = 979,65 Watt
Out   30,6 Volt 24 Ampere = 734,40 Watt
74,96 % efficient.

A little better efficiency when using higher input voltages.

Regards,
Groundloop.

powercat

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Re: Are Tommey Reed´s pulse motor circuits overunity ?
« Reply #139 on: April 26, 2009, 11:29:48 PM »
@powercat,

In the newest posted run (test run 3 above) :

Input 61,4 Volt 17 Ampere = 1043,8 Watt
Out   29,7 Volt 24 Ampere =  712,8 Watt
68,28 % efficient.

I do not think that his clipon meter is 100% correct. But if we use his numbers then we get a system that
has more loss than a ready made (store bought) inverter.

Regards,
Groundloop.

@Groundloop.

 sorry I thought you stated 168% efficiency
 be looking at  too many figures on videos
 Tommey has stated that he also wants to take the back EMF from the motor at a later date.
 If only he was here to discuss this properly

cat

Groundloop

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Re: Are Tommey Reed´s pulse motor circuits overunity ?
« Reply #140 on: April 26, 2009, 11:36:28 PM »
@powercat,

Reusing the motors wasted energy will help.
He also should look into the "rotorverter" capacitor tuning system for motors.

All in all, I think he is doing good research, and that is the important part.

Regards,
Groundloop.

chrisC

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Re: Are Tommey Reed´s pulse motor circuits overunity ?
« Reply #141 on: April 26, 2009, 11:43:26 PM »
@gotoluc

....

So don't confuse pulsating DC with AC. This misunderstanding has bitten more than one of us in the butt  ;) - just like the use of garden variety DMM's to measure amps or voltage at frequencies above a few hundred Hz.


@BEP
Good point. Pulsating DC is still DC. Besides comparing visual brightness is not a good way to decide which side has more, less or equal currents!

cheers
chrisC

hartiberlin

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Re: Are Tommey Reed´s pulse motor circuits overunity ?
« Reply #142 on: April 27, 2009, 01:18:55 AM »
Hi Groundloop.
you are wrong,
You forgot to calculate the duty cycle into it.

In the last test at:

http://www.youtube.com/watch?v=lLOMUXEIiQg

he had a test at around Minute 3:00

where he measured:

ouput:
51 Volts
29.5 amps

and at the input:
92.4 Volts and 21 Amps.
Now he had the duty cycle about 50 % on/off
so the voltage must be divided by 2.

So he still had about COP= 1.5, so 50 % more out than in.

Regards, Stefan.

P.S. I agree that he has to measure the amps with a different measurement method
also involving low pass filters.
His digital camp ampmeter probably does not show the real values.
He needs to get shunts and also show scope shots.

Also his filming is much too fast. He should probably better use Google video,
where he can make longer videos and use a tripod and document the settings a bit longer
and show the screen readings also a bit longer and with more detail.
But at least he is building up a great system to research it !

nyctuber

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Re: Are Tommey Reed´s pulse motor circuits overunity ?
« Reply #143 on: April 27, 2009, 01:26:28 AM »

powercat

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Re: Are Tommey Reed´s pulse motor circuits overunity ?
« Reply #144 on: April 27, 2009, 01:43:38 AM »
48  [was already posted by nyctuber]

Pulse generator, test run 4
http://www.youtube.com/watch?v=5LPGrg__26w&feature=channel_page

cat
« Last Edit: April 27, 2009, 02:04:12 AM by powercat »

BEP

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Re: Are Tommey Reed´s pulse motor circuits overunity ?
« Reply #145 on: April 27, 2009, 02:05:37 AM »
Hi Groundloop.
you are wrong,
You forgot to calculate the duty cycle into it.

In the last test at:

http://www.youtube.com/watch?v=lLOMUXEIiQg

he had a test at around Minute 3:00

where he measured:

ouput:
51 Volts
29.5 amps

and at the input:
92.4 Volts and 21 Amps.
Now he had the duty cycle about 50 % on/off
so the voltage must be divided by 2.


Don't forget dividing drive motor input amps, also  ;)

Liberty

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Re: Are Tommey Reed´s pulse motor circuits overunity ?
« Reply #146 on: April 27, 2009, 02:11:08 AM »
Hi Groundloop.
you are wrong,
You forgot to calculate the duty cycle into it.

In the last test at:

http://www.youtube.com/watch?v=lLOMUXEIiQg

he had a test at around Minute 3:00

where he measured:

ouput:
51 Volts
29.5 amps

and at the input:
92.4 Volts and 21 Amps.
Now he had the duty cycle about 50 % on/off
so the voltage must be divided by 2.


So he still had about COP= 1.5, so 50 % more out than in.

Regards, Stefan.

P.S. I agree that he has to measure the amps with a different measurement method
also involving low pass filters.
His digital camp ampmeter probably does not show the real values.
He needs to get shunts and also show scope shots.

Also his filming is much too fast. He should probably better use Google video,
where he can make longer videos and use a tripod and document the settings a bit longer
and show the screen readings also a bit longer and with more detail.
But at least he is building up a great system to research it !


As I understand the amp meter reading in direct current, I believe it should already take into account the duty cycle and gives you an average current draw regardless of duty cycle.  The voltage remains the same in the calculation.  I believe it would give an average current draw with enough capacitance at the battery to compensate for any duty cycle issues and therefore you should not divide by two in the voltage calculation to be accurate.  Power calculation is a product of both voltage and current.  P=IxE.

As the duty cycle increases the current draw will also show an increase and will be reflected on the meter reading in overall current draw.  It appears not OU. 

I agree with Harti that not jumping around and making a lot of changes while taking a reading is necessary to get any real idea of what is actually going on.  The quick changes without complete voltage and current readings with each setup tend to 'muddy the waters'.

minde4000

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Re: Are Tommey Reed´s pulse motor circuits overunity ?
« Reply #147 on: April 27, 2009, 02:18:46 AM »
He posted his location and it seems he lives 2 hours away from me. If he is gonna stick with his story for much longer I could take my scope and other meters I have and pay a visit at tommy's studios :) If this is gonna look promising for much longer...

amigo

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Re: Are Tommey Reed´s pulse motor circuits overunity ?
« Reply #148 on: April 27, 2009, 02:21:35 AM »
He posted his location and it seems he lives 2 hours away from me. If he is gonna stick with his story for much longer I could take my scope and other meters I have and pay a visit at tommy's studios :) If this is gonna look promising for much longer...

Yes, and bring some 750-1,000W light bulbs, as Tommey refuses to run a high impedance load on his setup ... :)

I hope it does not turn up another MYLOW...

Shit, after that fiasco we could have a saying: "He pulled a MYLOW on us." The guy would end up being famous, just for a different reason, lol.

nyctuber

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Re: Are Tommey Reed´s pulse motor circuits overunity ?
« Reply #149 on: April 27, 2009, 02:28:35 AM »
Yes, and bring some 750-1,000W light bulbs, as Tommey refuses to run a high impedance load on his setup ... :)

I hope it does not turn up another MYLOW...

Shit, after that fiasco we could have a saying: "He pulled a MYLOW on us." The guy would end up being famous, just for a different reason, lol.

The MIB's will give themselves a hernia seizing all his stuff, let alone bringing it back!