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Inductive Resistor Open source development of highly efficient inductive resistor circuits.

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  #2971  
Old 10-18-2009, 06:08 AM
gotoluc gotoluc is offline
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Hi Glen,

thanks for all your amazing work

Could you please post a link to the exact circuit you're using at this time and where to buy or how to make the resistor you're using so I can see if I can replicate your results

Thanks for sharing

Luc
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  #2972  
Old 10-18-2009, 06:28 AM
witsend witsend is offline
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Golly Fuzzy. Yet again. Where is this system's upper limit?



EDIT Just noted the harmonics in that last posting of yours. So sharp Fuzzy. I think this is Harvey's theme for possible optimised performance and it seems as if the data is consistent with this.
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Last edited by witsend; 10-18-2009 at 07:04 AM. Reason: another point
  #2973  
Old 10-18-2009, 08:10 AM
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Quote:
Originally Posted by gotoluc View Post
Hi Glen,

thanks for all your amazing work

Could you please post a link to the exact circuit you're using at this time and where to buy or how to make the resistor you're using so I can see if I can replicate your results

Thanks for sharing

Luc
Hi Luc,

The circuit for "Rosemary Ainslie COP>17 Heater Circuit" is a modified version of the Revised: August 12, 2009 circuit -
POST #2625

The changes are more closer to the original "Quantum" article -
"Quantum" October 2002

1) Mosfet gate potentiometer was a 5k now a 10 ohm precision tolerance for 5.3 to 5.8 ohms ..... I'm testing several methods from a modified 1 turn 100 ohm to a 20 turn trim pot ..... haven't quite decided this "is the most important part" to get the best results.

2) The 555 timer "off" was a 10K 10-turn now a 15K 10-turn for a 3% duty cycle .... shall be done but haven't yet at this time

The resistor is made from "Borosilicate Glass Tube" ( Pyrex ) 32 mm OD. x 6" long, the wire is AWG 20 [.032 dia] ( .6348 ohms ft ) "Ni Cr A" 80% nickel, 20% chromium, 10 ohms = 15.8316 feet @ .63165 ohms ft ( always measure wire resistance prior to winding to ensure proper ohm value could be longer or shorter depending on correct metal % values )

And using my barbecue coil winder
POST #2684

Best Regards,
Glen
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  #2974  
Old 10-18-2009, 11:47 AM
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"Quantum" 10 ohm Prototype Temperature Profiling

Hi everyone,

Here is the temperature profiling data on the "Quantum" 10 ohm Prototype load resistor that has been used in several of my posted tests. All temperature readings were taken covering as much as possible of the exterior surface of the resistor with a IR non contact thermometer using the maximum reading.

POWER SUPPLY -
Velleman PS3003U 0-30 VDC 3 Amp Regulated

IR non contact THERMOMETER-
Fluke 62 "mini"






Glen
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  #2975  
Old 10-18-2009, 02:08 PM
witsend witsend is offline
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guys - this may help for reference

F C watts
33.50 0.83 2.40
36.20 2.33 2.60
40.10 4.50 2.81
42.20 5.66 3.02
44.40 6.88 3.25
46.20 7.88 3.48*
48.10 8.94 3.72
51.20 10.66 3.97
54.10 12.27 4.22
56.90 13.83 4.49
59.90 15.50 4.76
62.80 17.11 5.04
64.70 18.16 5.33
67.30 19.61 5.62
71.10 21.72 5.93
73.00 22.77 6.24
78.00 25.55 6.56
80.10 26.72 6.89
82.10 27.83 7.22*
84.50 29.16 7.57
89.40 31.88 7.92


239.20 120.66 41.00

(please just check out the data against the two asterixed. Not sure that I read the primary right)
And sorry it crowds one line. Can't seem to get the spacing into the post.
Fuzzy - please check that I've done this right. Focus is never that good.
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Last edited by witsend; 10-18-2009 at 02:24 PM.
  #2976  
Old 10-18-2009, 04:04 PM
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Rant on MH's denials

MileHigh (or whoever he really is) made a statement questioning the DSO's math. He doesn't get away with questioning the Tek DSO's results: He is not qualified to do so, and is talking out of his rear.... Again.

If he doesn't LIKE the results, because it proves his 250 -some-odd posts there UTTERLY WRONG... , then that's too bad.... he must either disprove them with HIS OWN experiments, or accept them as the properly acquired and solid data sets that they are.

There is no attacking this with nothing to back you but your own naysaying.

Attacking this instrumentation methodology with a vague "problem with the scope" is completely lame, and totally without basis. It is proof that the motive IS NOT increasing scientific knowledge, but disproving the circuit no matter what. The only question then remaining, is if one is doing for fun or profit.

I would have predicted that exactly this would happen in earlier posts, since it was inevitable, but it was more fun to wait and watch it happen, then tell you all the above

You see folks, this is the really funny part... These so-called "skeptics" are all about proof and scientific method, until you ram it up their rectifiers. Then they revert to the very things they attack (and, admittedly, some have attacked with good reason in the past): And that is conclusions based on unscientific opinions and "mysticism".

But what they are hoping we don't notice is, that the concept of "It can't be!" IS MYSTICISM ITSELF!

And this, and especially that very thread at OU, is proof positive of that. But that's OK, because it shows us what they are really about

Its a new day here folks, an the dawn is glorious! The genre has been ratcheted up several notches in credibility and verifiable methodology. We can now tackle MANY technologies, and expect successes that will stand up to attack. This is a great milestone for us all who believe in Open Source, no matter what these experiments show: Because we are transcending our roots, and transforming into something the world has never seen before.

And it couldn't come at a better time.. Because this new power, this confidence, this surety of purpose and vision... Will soon be needed again

My deep gratitude goes out these fine people who are making it all happen.. Who are MAKING A REAL DIFFERENCE in this world. All you Researchers and Replicators out there, here and on a hundred other projects, who defy the slings and arrows, who refuse to be told by the narrow minded that they are wrong simply for TRYING... Who know, that science is not a religion that belongs to those who dogmatically adhere to it's Holy Scripture.... But that it really belongs to those with the guts and vision to see past the veils and strive for Truth.
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  #2977  
Old 10-18-2009, 05:13 PM
broli broli is offline
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The last test is a good reference point but I'm a bit confused with the previous mountain of data. I'll be very ignorant here please ignore if it sounds stupid...

Wouldn't it be simpler to use a power supply with a fixed voltage and then sampling the current draw with the scope. Using this data one could then take the average draw over a certain time period to figure out how much power the power supply has given out?
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  #2978  
Old 10-18-2009, 06:57 PM
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Quote:
Originally Posted by broli View Post
The last test is a good reference point but I'm a bit confused with the previous mountain of data. I'll be very ignorant here please ignore if it sounds stupid...

Wouldn't it be simpler to use a power supply with a fixed voltage and then sampling the current draw with the scope. Using this data one could then take the average draw over a certain time period to figure out how much power the power supply has given out?
Hi broli,

Sound good but I wouldn't recommend it at all ......

Using a power supply concerns me greatly especially when circuit return voltage spikes are from 70 to 100 volt pulses evident in all Images and Data taken..... even the TDS 3054C oscilloscope at some point getting over 610 volt spikes when it's capacity is 700 volts is getting very close to its limits.

I was very concerned just having a 12 volt 12 ah battery getting 70 to 100 volt spike pulses .... ever seen a battery blow up ???

Glen
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Last edited by FuzzyTomCat; 10-18-2009 at 07:07 PM. Reason: grammer
  #2979  
Old 10-18-2009, 07:11 PM
gotoluc gotoluc is offline
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Quote:
Originally Posted by FuzzyTomCat View Post
Hi Luc,

The circuit for "Rosemary Ainslie COP>17 Heater Circuit" is a modified version of the Revised: August 12, 2009 circuit -
POST #2625

The changes are more closer to the original "Quantum" article -
"Quantum" October 2002

1) Mosfet gate potentiometer was a 5k now a 10 ohm precision tolerance for 5.3 to 5.8 ohms ..... I'm testing several methods from a modified 1 turn 100 ohm to a 20 turn trim pot ..... haven't quite decided this "is the most important part" to get the best results.

2) The 555 timer "off" was a 10K 10-turn now a 15K 10-turn for a 3% duty cycle .... shall be done but haven't yet at this time

The resistor is made from "Borosilicate Glass Tube" ( Pyrex ) 32 mm OD. x 6" long, the wire is AWG 20 [.032 dia] ( .6348 ohms ft ) "Ni Cr A" 80% nickel, 20% chromium, 10 ohms = 15.8316 feet @ .63165 ohms ft ( always measure wire resistance prior to winding to ensure proper ohm value could be longer or shorter depending on correct metal % values )

And using my barbecue coil winder
POST #2684

Best Regards,
Glen
Thanks for the details Glen

I found this 10 ohms variable resistor on eBay: 10 ohm Trimmer Trim Pot Variable Resistor 3106Y (10) - eBay (item 380163362278 end time Oct-29-09 08:26:19 PDT) these give 25 turns of precision adjustment They will also fit on Groundloops board quite easily.

Also found this Nichrome wire: Heating Wire, Nichrome, 20 awg, Nickel-Chromium Alloy - eBay (item 280333596582 end time Nov-09-09 13:47:01 PST) 80% Nickel, 20% Chromium, 0.6348 ohms per foot at 68 degrees F, 20 gauge (0.032" diameter)

I have a question for the off time 15K pot. They are not available in variable resistor style like the above, so do you think a 20K pot will do since they have 25 turns of precision or should I get a 10K and add 5K resistors?

Thanks for your time Glen

Luc
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  #2980  
Old 10-18-2009, 07:36 PM
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Quote:
Originally Posted by gotoluc View Post
Thanks for the details Glen

I found this 10 ohms variable resistor on eBay: 10 ohm Trimmer Trim Pot Variable Resistor 3106Y (10) - eBay (item 380163362278 end time Oct-29-09 08:26:19 PDT) these give 25 turns of precision adjustment They will also fit on Groundloops board quite easily.

Also found this Nichrome wire: Heating Wire, Nichrome, 20 awg, Nickel-Chromium Alloy - eBay (item 280333596582 end time Nov-09-09 13:47:01 PST) 80% Nickel, 20% Chromium, 0.6348 ohms per foot at 68 degrees F, 20 gauge (0.032" diameter)

I have a question for the off time 15K pot. They are not available in variable resistor style like the above, so do you think a 20K pot will do since they have 25 turns of precision or should I get a 10K and add 5K resistors?

Thanks for your time Glen

Luc
Hi Luc,

The Ni Chrome wire can also be purchased here at a good price ...
Nickel Chromium Wire - 20AWG, 80% Nickel Content, 1/4 LB. Spool, 79ft per Spool - SmallParts.com

And the pots you selected should work fine ..... the higher ohm substitution on the 555 "off" pot will do as well.

Best of Luck

Glen
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  #2981  
Old 10-18-2009, 09:27 PM
gotoluc gotoluc is offline
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Quote:
Originally Posted by FuzzyTomCat View Post
Hi Luc,

The Ni Chrome wire can also be purchased here at a good price ...
Nickel Chromium Wire - 20AWG, 80% Nickel Content, 1/4 LB. Spool, 79ft per Spool - SmallParts.com

And the pots you selected should work fine ..... the higher ohm substitution on the 555 "off" pot will do as well.

Best of Luck

Glen
Thanks Glen,

that is a good price

I just bought all 3 variable resistors 10, 2K & 20k Ohm from the same eBay seller and the Nichrome wire from the other eBay seller since it is easier for me to pay with PayPal and I'm also having it delivered to Florida because I'm going to be there in the next couple of days for a 3 week stay.

Hopefully I'll receive all the parts and start testing.

Do you know at which store in Florida I can buy the Permatex red RTV Silicone?

Is that glass tube something I can buy off the shelve?

Thanks

Luc
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  #2982  
Old 10-18-2009, 10:21 PM
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Quote:
Originally Posted by gotoluc View Post
Thanks Glen,

that is a good price

I just bought all 3 variable resistors 10, 2K & 20k Ohm from the same eBay seller and the Nichrome wire from the other eBay seller since it is easier for me to pay with PayPal and I'm also having it delivered to Florida because I'm going to be there in the next couple of days for a 3 week stay.

Hopefully I'll receive all the parts and start testing.

Do you know at which store in Florida I can buy the Permatex red RTV Silicone?

Is that glass tube something I can buy off the shelve?

Thanks

Luc
Hi Luc,

The Red High Temp RTV Silicone #81409 is available at any auto parts store ....

The "Borosilicate Glass Tube" ( Pyrex ) 32 mm OD. x 6" long comes in a 5 foot length and has to be cut using a diamond tipped wet saw like is used for cutting ceramic tile or marble ( most tile retailers have saws and do cuts for a small fee ) and is available at most "glass" or "lamp working" suppliers like

Mountain Glass Arts, Inc. - Lampworking, Glass blowing and Bead Making supplies
simax meduim wall 32mm (25)
simax hvy 32mm (25)

and is fairly reasonably priced each stick ....

Glen
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Last edited by FuzzyTomCat; 10-18-2009 at 10:25 PM. Reason: added hvy wall tube
  #2983  
Old 10-18-2009, 10:45 PM
gotoluc gotoluc is offline
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Quote:
Originally Posted by FuzzyTomCat View Post
Hi Luc,

The Red High Temp RTV Silicone #81409 is available at any auto parts store ....

The "Borosilicate Glass Tube" ( Pyrex ) 32 mm OD. x 6" long comes in a 5 foot length and has to be cut using a diamond tipped wet saw like is used for cutting ceramic tile or marble ( most tile retailers have saws and do cuts for a small fee ) and is available at most "glass" or "lamp working" suppliers like

Mountain Glass Arts, Inc. - Lampworking, Glass blowing and Bead Making supplies
simax meduim wall 32mm (25)
simax hvy 32mm (25)

and is fairly reasonably priced each stick ....

Glen
Thanks again for the details Glen

Do you think I could trouble you and buy a 6" section from you and mail it to Florida?

I don't know how important it is for replication but I do like to keep it as close as I can at first before making changes.

Let me know if it's possible and I could send you a PayPal payment for your costs.

Thanks again

Luc
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  #2984  
Old 10-18-2009, 11:30 PM
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Quote:
Originally Posted by gotoluc View Post
Thanks again for the details Glen

Do you think I could trouble you and buy a 6" section from you and mail it to Florida?

I don't know how important it is for replication but I do like to keep it as close as I can at first before making changes.

Let me know if it's possible and I could send you a PayPal payment for your costs.

Thanks again

Luc
Hi Luc,

I'm checking with my son, he's the glass blower and I think he has some in stock but is doing xmas ornaments right now that uses different sizes of tubing I'll see what I can do and PM you, ASAP !!!

Glen
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  #2985  
Old 10-19-2009, 01:08 AM
witsend witsend is offline
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LUC - so chuffed you're doing a replication here. Much appreciated. Couldn't be in more capable hands.

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  #2986  
Old 10-19-2009, 02:14 AM
gotoluc gotoluc is offline
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Thanks for your vote of confidence Rosemary

I'll give it my best shot replication wise but I only have simple measuring techniques and equipment available. However, if I get anything like Glen is, then it should be a no brainer for me

It can take up to 2 weeks to receive the components I ordered on eBay since I paid by e-check and takes about one week to clear, then shipping time.

Looking forward to it.

BTW, why is the topic so quite now would you not think there would be more interest with these new results???

Luc
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  #2987  
Old 10-19-2009, 03:08 AM
gotoluc gotoluc is offline
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Quote:
Originally Posted by FuzzyTomCat View Post
Hi Luc,

I'm checking with my son, he's the glass blower and I think he has some in stock but is doing xmas ornaments right now that uses different sizes of tubing I'll see what I can do and PM you, ASAP !!!

Glen
Thanks for the help Glen

I forgot to ask you about the .25 Ohm shunt resistor. Do you think it matters what it's made of? like wire wound or carbon?

I think Aaron posted the models he used but I can't find it in all the posts now.

Anyways, if you or anyone else think it's important please let me know.

Luc
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  #2988  
Old 10-19-2009, 03:30 AM
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Quote:
Originally Posted by gotoluc View Post
Thanks for the help Glen

I forgot to ask you about the .25 Ohm shunt resistor. Do you think it matters what it's made of? like wire wound or carbon?

I think Aaron posted the models he used but I can't find it in all the posts now.

Anyways, if you or anyone else think it's important please let me know.

Luc
Hi Luc,

I used a wire wound resistor a "Dale" RS-2B .25 ohm 3 watt 3 %

http://www.diyparadiso.com/component...dale%20rs5.pdf

Purchased From -
Surplus Sales of Nebraska
Wire Wound Resistors - 0 Ohm to 0.499 Ohm

A Great Surplus Electronics Supplier

Glen
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  #2989  
Old 10-19-2009, 06:29 AM
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Hi Glen/Harvey/Rosie/Aaron /ALL. Well time for some Action then Luc . Glen it really has helped replicators my friend. Okay we finished a few tests and built your resistor. Went with Luc's/Alex's board lay out MAKES A DIFFERENCE, Also Glens rating inductor makes a difference got better performance 37 volts back spikes Still working through it guys, want to make sure we get what glen is doing and then can start the run time tests. Okay bare with us, here is Andrew's report.

Hey all,

I've been doing some more tests on the Ainslie circuit (negative dominant August 26 2009) and done a replication of Glen's / Quantum 10 ohm resistor (32mm diameter, 48 turns spaced 1mm, 150mm long). I used resistance wire of 6 ohms per meter (3 x 5m lengths of 30 ohms in parallel = 10 ohms).
<Glen's resistor replication - windings.jpg>
Imageshack - glensresistorreplicatioy
<Glen's resistor replication.jpg>
Imageshack - glensresistorreplicatio

I changed the series gate resistance to 5.5 ohms and tried out the insertion of ferrite rods into the test resistors (the green one bought off the shelf, and Glen's).
<resistor with ferrite rod.jpg>
Imageshack - resistorwithferriterod

Sure enough, the back spikes collected off the resistor / inductors improved - I then tuned the 555 timer and the resistor tests improved again. Our replication of Glen's resistor performed better than the green one bought off the shelf.

I re oriented the mosfet so it was less likely to pick up any stray RF energy. Should I put a resistor across the gate and (source) input negative to eliminate the RF energy if there is still any left over?
<mosfet re oriented.jpg>
Imageshack - mosfetreoriented

I used two 12v lead acid batteries to power the circuit.

Results (in the order of the tests conducted):
Test 1:
Input - 24.6v, 900mA
Output - 38v across 470 ohm resistor / 4700uF 50v capacitor

Test 2:
Input - 24.4v, 1050mA
Output - 28v across 235 ohm resistor (2 x 470 ohm) / 4700uF 50v capacitor

Test 3:
Input - 24.5v, 750mA (18.375 watts of power)
Output - 37v across 235 ohm resistor (2 x 470 ohm) / 4700uF 50v capacitor (5.8 watts of power)

Temperature readings (final test):
Ambient - 26C / 80F
Mosfet - 53C / 128F
10 ohm resistor - 53C / 128F (this may be the reading because the heat has radiated out over a bigger surface area being the black silicone?)
555 timer - 68C / 155F
235 ohm 20W resistor - 105C / 222F

I did have trouble with the 555 timer as per the suggestion of adding some 4K ohms worth of resistance in series between the +12v and the power input (+) of the 555 timer. The 555 timer would not work unless the resistance was set to at or near zero (so full power was reaching the 555). I used a 25 turn 5K ohm variable resistor. The 555 chip gets really hot (see above).

Andrew
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Last edited by ashtweth; 10-19-2009 at 06:32 AM.
  #2990  
Old 10-19-2009, 06:30 AM
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sucahyo sucahyo is offline
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Quote:
Originally Posted by FuzzyTomCat View Post
I was very concerned just having a 12 volt 12 ah battery getting 70 to 100 volt spike pulses .... ever seen a battery blow up ???
What I did in this video is dangerous or not? It is the output of radiant current. And I recall Aaron mention 400V is normal output of radiant oscillator? I charge two nicad and a 12V 7Ah battery with oscillator measuring 350V without load.

YouTube - Self voltage adjusting of radiant oscillator

Sorry for off topic question.


Quote:
Originally Posted by ashtweth View Post
I did have trouble with the 555 timer as per the suggestion of adding some 4K ohms worth of resistance in series between the +12v and the power input (+) of the 555 timer. The 555 timer would not work unless the resistance was set to at or near zero (so full power was reaching the 555). I used a 25 turn 5K ohm variable resistor. The 555 chip gets really hot (see above).
I think adding second transistor like I mention previously would also move the heat from the 555 to second transistor. Since it is now become the job of second transistor to supply as much current as possible to the FET.
Attached Images
File Type: jpg charger2transswitch.jpg (23.2 KB, 21 views)
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Last edited by sucahyo; 10-19-2009 at 07:10 AM.
  #2991  
Old 10-19-2009, 07:59 AM
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Sucahyo,

I used to have an old RS NiCad charger. I opened it up to see how they did their circuit. Inside there were two components, a low current (microamp) lamp and a diode. This was connected directly to the AC line cord. !! At, any rate, it would have 120V+ when no batteries were in there. But when the batteries were installed it would drop all the voltage across that lamp.

So, as far as your circuit goes, if the output impedance is high enough and the current is low enough, the spikes will be dropped across that impedance and the battery will charge to its desired value. Don't try this with LiPo's .


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Last edited by Harvey; 10-19-2009 at 08:02 AM.
  #2992  
Old 10-19-2009, 08:11 AM
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Quote:
Originally Posted by witsend View Post
guys - this may help for reference

F C watts
33.50 0.83 2.40
36.20 2.33 2.60
40.10 4.50 2.81
42.20 5.66 3.02
44.40 6.88 3.25
46.20 7.88 3.48*
48.10 8.94 3.72
51.20 10.66 3.97
54.10 12.27 4.22
56.90 13.83 4.49
59.90 15.50 4.76
62.80 17.11 5.04
64.70 18.16 5.33
67.30 19.61 5.62
71.10 21.72 5.93
73.00 22.77 6.24
78.00 25.55 6.56
80.10 26.72 6.89
82.10 27.83 7.22*
84.50 29.16 7.57
89.40 31.88 7.92


239.20 120.66 41.00

(please just check out the data against the two asterixed. Not sure that I read the primary right)
And sorry it crowds one line. Can't seem to get the spacing into the post.
Fuzzy - please check that I've done this right. Focus is never that good.
Thank you Rosemary,
But hard for me to read... so...hope you don't mind:

Code:
F	C 	Watts
33.50	0.83	2.40
36.20	2.33	2.60
40.10	4.50	2.81
42.20	5.66	3.02
44.40	6.88	3.25
46.20	7.88	3.48
48.10	8.94	3.72
51.20	10.66	3.97
54.10	12.27	4.22
56.90	13.83	4.49
59.90	15.50	4.76
62.80	17.11	5.04
64.70	18.16	5.33
67.30	19.61 	5.62
71.10	21.72 	5.93
73.00	22.77 	6.24
78.00	25.55	6.56
80.10	26.72	6.89
82.10	27.83	7.22
84.50	29.16	7.57
89.40	31.88	7.92

323.00	161.66 	41.00
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Last edited by Harvey; 10-19-2009 at 08:41 AM.
  #2993  
Old 10-19-2009, 08:11 AM
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Poynt99 - Ainsle Circuit Test Replication ????

Hi everyone,

As members and guests that have been following this thread my testing has been 100% up front with about 80 images and data collections posted on testing a actual replication of the Rosemary Ainslie COP>17 Heater Circuit and have went to extreme measures to do a complete replication as possible prior to "ANY" testing or evaluation of the circuit.

It has been brought to my attention that another member here Poynt99 is also doing testing and has published a PDF of "what and how" he is doing this replication and testing of the replication that everyone should be aware of ......


Ainslie Circuit Test Plan - Poynt99_02






As you can plainly see this is no replication of the Rosemary Ainslie COP>17 Heater Circuit ....

1) No battery's .... missing (1) 12V "Gel" lead acid Battery , (2) 12V 12ah "liquid" lead acid battery's
2) The load resistor directly mounted above PCB which will induce unwanted frequency's or magnetic fields which the effects are being induced into the circuit this can be easily checked with standard compass or iron shavings
3) A scope probe actually going over the "TOP" opening of the load resistor
4) A dual power supply being used with the very high possibility of ground loops effecting all the data readings and also what appears to be a capacitor bank in line with the lab power supply
5) The wave form on the oscilloscope in the background does not have in any way the wave form I have posted numerous times with a Tektronix TDS 3054C and a 20 year old Tektronix 2445A oscilloscope.

6) WHAT ELSE !!!

Anyone wanting to comment on this please do ..... this is not right ..... and not a actual replication at all .....

Glen
************************************************** ******
EDIT - this is what else .....

7) SEE Figure 1 - DUT Circuit & Figure 2 - CONTROL Circuit ..... actual earth grounding of the circuit ?????
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Last edited by FuzzyTomCat; 10-19-2009 at 08:27 AM. Reason: grammer and rdit add 7)
  #2994  
Old 10-19-2009, 08:32 AM
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sucahyo sucahyo is offline
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Quote:
Originally Posted by Harvey View Post
So, as far as your circuit goes, if the output impedance is high enough and the current is low enough, the spikes will be dropped across that impedance and the battery will charge to its desired value. Don't try this with LiPo's .
Thanks for the answer . Currently have 400mA when charging two nicad, voltage is measured 0.1V above battery voltage with input current at about 2Amp at 10V. Since the battery and almost all component stay cold, I have a feeling that the frequency my circuit run is something that should be avoided for Rosemary replication.
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  #2995  
Old 10-19-2009, 08:39 AM
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Aaron Aaron is offline
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his own thing

Glen,

Should any of us have expected different? lol

Glad he is actually posting experiments.

It is recorded in plain sight that his circuit
is him doing his own thing instead of Rosemary's
circuit.
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Sincerely,
Aaron Murakami

  #2996  
Old 10-19-2009, 04:25 PM
jibbguy jibbguy is offline
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...Might be good for a "baseline" tho.
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  #2997  
Old 10-19-2009, 06:19 PM
gotoluc gotoluc is offline
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Quote:
Originally Posted by FuzzyTomCat View Post
Hi Luc,

I used a wire wound resistor a "Dale" RS-2B .25 ohm 3 watt 3 %

http://www.diyparadiso.com/component...dale%20rs5.pdf

Purchased From -
Surplus Sales of Nebraska
Wire Wound Resistors - 0 Ohm to 0.499 Ohm

A Great Surplus Electronics Supplier

Glen
Thanks for the details Glen. It looks like they don't have that one anymore.

Do you know if this resistor plays a part in getting the circuit to do what it does? It maybe interesting to see if it changes anything if you bypass it.

Please let me know what you think.

Thanks

Luc
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  #2998  
Old 10-19-2009, 07:14 PM
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Quote:
Originally Posted by gotoluc View Post
Thanks for the details Glen. It looks like they don't have that one anymore.

Do you know if this resistor plays a part in getting the circuit to do what it does? It maybe interesting to see if it changes anything if you bypass it.

Please let me know what you think.

Thanks

Luc
Hi Luc,

I do know there is some hoopla right now on the material being used on this shunt .... thats why I originally picked up the 3% wire wound type to avoid any of these problems.

At the present time I am lacking proper instruments to look into this further but hopefully this will be resolved shortly ....

So best guess .... don't really know until more testing if actually needed and is done by me ....

Glen
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  #2999  
Old 10-19-2009, 08:01 PM
gotoluc gotoluc is offline
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No problem Glen

I'll be on standby till it's sorted.

Luc
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  #3000  
Old 10-20-2009, 02:01 PM
witsend witsend is offline
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Poynt - I'm answering your last post here as I think we need due record. Hope you don't mind.

Fuzzy's first 2 tests were the first that showed heat. Thereafter, #3 he found that extraordinary 'moment' that also gave us the first evidence of something profoundly interesting. Then #4 - which was slightly off the frequency and did not have that tell tale harmonic. Then #5. This was the first test that comprehensively recorded all relevant data including the video'd 2 minutes of each new hour - had evidence of the required harmonic - and showed, categorically that significant gains were evident. The 2 minute video also provided some evidence of consistency in the waveform over that period. This last point should be of interest. But it is acknowledged that 2 minutes is not long enough to firmly establish the variable in the voltage range.

His heat profiling also indicates the evident wattage dissipated as heat during this test.

So. If you need to replicate - test - whatever involvement you see required - then it is, indeed, the results of test 5 that need to be looked to. I'm only concerned that this also requires a resistor with the wider diameter. This is the more so as he could not get the same effect on standard shop bought resistors with the smaller diameter. This I think was #6.

Are you up for this? My personal preference would be to see a replication of this last test on Spice as it is likely that this test will be used for any paper that is written and the anomalies, if such they are, may be evidenced - better. But it's your choice Poynty. Take your pick.

Just noticed. This is the 3000'th post. You've got a mamoth task here Ash.
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Last edited by witsend; 10-20-2009 at 02:11 PM. Reason: note to Ash.
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