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Overunity Machines Forum



Resonance Circuits and Resonance Systems

Started by hartiberlin, March 15, 2016, 03:27:11 PM

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Belfior

Bought a book from www.forgottenbooks.com and it has an offer inside for 1 month free membership cancellable at any time. You need a credit card to sign up.

What is interesting is that you can download all the books you want for free during that 1 month period. After you downloaded what you want you can cancel before they start charging you after that free month.

So I went to the electricity and engineering and got everything from Faraday, Steinmetz and Tesla they had. Everything with induction coils they had:

AdvancedLaboratoryPracticeinElectricityandMagnetism_10033576.pdf
AGraphicalTreatmentoftheInductionMotor_10078021.pdf
AlternatingCurrentsofElectricity_10024381.pdf
AStudyofDistortedWaves_10434631.pdf
AWorkingManualofHighFrequencyCurrents_10309354.pdf
ConstantVoltageTransmission_10027372.pdf
CourseofLecturesonElectricity_10039127.pdf
DesignofDirectCurrentMachines_10054096.pdf
DesignofDynamos_10059496.pdf
DielectricPhenomenainHighVoltageEngineering_10053937.pdf
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DynamosMotorsAlternatorsandRotaryConverters_10066810.pdf
EffectofPhaseHarmonicsUponAcousticQuality_10557981.pdf
ElectricalEnergy_10030780.pdf
ElectricalExperiments_10028486.pdf
ElectricandMagneticCircuits_10001190.pdf
ElectricArcsExperimentsUponArcsBetweenDifferentElectrodesinVariousEnvironmentsan_10052798.pdf
ElectricGenerators_10030117.pdf
ElectricityandMagnetism_10013565.pdf
ElectricityMadeSimpleandTreatedNonTechnically_10024422.pdf
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ElectricTraction_10030279.pdf
ElectricTransients_10024005.pdf
ElectronicsWhatEveryoneShouldKnow_10001934.pdf
ElementaryPrinciplesofElectricityandMagnetismFor_10032183.pdf
ElementsofAlternatingCurrents_10453786.pdf
ElementsofStaticElectricity_10059261.pdf
EssentialsofElectricity_10003302.pdf
ExperimentalResearchesinElectricity_10050012.pdf
ExperimentsonSupersonicPlasmaFlowAlongMagneticFields_10288185.pdf
ExperimentsWithAlternateCurrentsofHighPotentialandHighFrequency_10481376.pdf
ExperimentsWithVacuumTubes_10074105.pdf
FormulaeandTablesforCalculationofInductanceofCoilsofPolygonalForm_10563096.pdf
FormulaeandTablesfortheCalculationofMutualandSelfInductance_10569955.pdf
FrictionalElectricity_10045723.pdf
HandbookofElectricalMethods_10021548.pdf
HighFrequencyApparatusItsConstruction_10076841.pdf
HighFrequencyCurrentsintheTreatmentofSomeDiseases_10059922.pdf
HighFrequencyCurrents_10069967.pdf
HighFrequencyCurrents_10075702.pdf
InductionCoils_10060966.pdf
InductionCoils_10070726.pdf
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MagneticInductioninIronandOtherMetals_10078837.pdf
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MaxwellsTheoryandWirelessTelegraphy_10027363.pdf
PolyphasedAlternatingCurrents_10068008.pdf
PolyphaseElectricCurrentsandAlternateCurrentMotors_10039183.pdf
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TheoryandCalculationofAlternatingCurrentPhenomena_10534371.pdf
TheStorageBattery_10078456.pdf
TheStorageofElectricalEnergy_10029872.pdf
TheStoryofGreatInventions_10016160.pdf
TheTeslaHighFrequencyCoil_10500429.pdf
TheTheoryDesignandConstructionofInductionCoils_10083556.pdf
Transformers_10046598.pdf
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Here is the download code:

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PS. Had to also get everything concerning occultism. I mean that is how Hitler got his Bell space ship! Btw that code is from the book and not related to me in any affiliation.

Magluvin

Quote from: citfta on September 21, 2017, 06:56:10 AM
Hi Mags,

I can verify some of your idea with a device I built.  Out of curiosity I built an air cored motor/generator.  I knew the output would probably be low because of not having any cores.  I just wanted to see how far I could push it and what I would get.  I originally built it with only two coils.  They were trifilar with two windings being the drive windings and one winding being the output winding.  With only those two coils and a rotor made of alternating polarity magnets my efficiency was only 17%.  When I added two more coils my efficiency went up to 23%.  I have not had time to work on it any more but I suspect as I add more coils the efficiency will continue to go up.

Take care,
Carroll

Hey Carrol

Very good. Can you describe how you performed the eff tests?

See I believe that the more drivers that affect a particular medium, air by way of pressure, rotor by way of pressure to turn, etc should be the same effect.

As much as I have looked, you wont find much out there that gets into the actual eff of speakers. Many of the audio forum threads on this, articles on eff of speakers, seem to mostly just fall back onto Db@1w at 1 meter. And the very very few that actually describe real eff(Pin vs Pout) tend to set the upper limits of what they show to 105db of which is 20%eff. Id say they dare not show the eff of a 112db sensitivity speaker which would be 100%, even though the 112db speakers are out there, and Im still searching for at least 1 that may be higher than 112db. Would be interesting to list a speaker out there as being say 120db sensitivity, and see if some take notice. :o ;D

The eff level that Vidar laid claim to for a 96db@1w speaker as 1%eff seems very low and miserable and he wont seem to acknowledge that there are higher eff speakers like the Pioneer pro 12 I have at my shop now that is 105db@1w which is 20%eff. Like the only pertinent numbers to follow are the 1%level or they are the only ones that count and there isnt much to go beyond that level. Thats how I take his argument on it anyway. Truth is, 96db speaker is about 2.5%eff. A 102db@1w is 10%eff. Then 105db1w is 20%eff.  Once you get out of the area of 92db1w which IS 1%eff, the eff seems to climb rapidly. 112db1w is 100%eff. 114db1w is 158%eff. etc.

He made the claim of 1%eff. But if I show that a 112db@1w speaker is 100%eff, then he says that those eff numbers cannot be applied to motors and such. Well then what sort or kind of efficiency definition does the tiny 1% he described follow? Is it a different eff than we all know about? An eff that when the numbers do represent 100%, then that efficiency is not the same as other efficiency.

I just dont buy it.

I have just gotten a very large archive of older speakers with specs. Have to look at specs 1 at a time. Wish it were a spread sheet to just look down the sensitivity numbers.

My buddy with the 6 gigantic 3000w 15in subs $600ea and 3 5kw amps $1700ea, built the pioneer 12s box like im building for his friend, 6 12s, and only 3 pio amps 5200w and he now admits I was right. it beats his truck hands down. $10,000 in equip vs less than $1000 in pioneer eqip.  It was the db@1w numbers that did it. His 15s are 88db@1w and the pioneer champ 12s are 96db@1w.

Ok, back to work....

Mags

citfta

Hi Mags,

The efficiency was calculated by comparing the input current and voltage (DC) with the output current and voltage after it was converted to DC and applied to some different value resistors until I found a resistor value that gave what I considered a reasonable value for the output.  What I mean by that is that with a very high value resistor of course the current would be very low but the voltage would be very high.  I adjusted the resistance value until I was able to get about the same output voltage as the input voltage and then measured the current through the resistor to calculate the efficiency.

After working through that for the two coil system I then did the same thing after I added the other two coils.  And as I posted the efficiency went from 17% to 23%.  This was all a fairly crude system with no real precision workmanship as I only wanted to see what I could get by driving and using air cored coils.

I converted the AC from the magnets passing the coil by feeding that to a bridge rectifier and then connecting that to a cap to smooth the DC pulses.  My input voltage and output voltage were both around 20 volts.  The input current for two coils was around 100 milliamps or so and for the 4 coil system about 150 milliamps.  I don't remember the exact values for the output currents but I do remember the efficiency figures.  I have the output current values in my notes somewhere but didn't look them up before starting this post.

Take care,
Carroll

Magluvin

Quote from: citfta on September 21, 2017, 07:18:55 PM
Hi Mags,

The efficiency was calculated by comparing the input current and voltage (DC) with the output current and voltage after it was converted to DC and applied to some different value resistors until I found a resistor value that gave what I considered a reasonable value for the output.  What I mean by that is that with a very high value resistor of course the current would be very low but the voltage would be very high.  I adjusted the resistance value until I was able to get about the same output voltage as the input voltage and then measured the current through the resistor to calculate the efficiency.

After working through that for the two coil system I then did the same thing after I added the other two coils.  And as I posted the efficiency went from 17% to 23%.  This was all a fairly crude system with no real precision workmanship as I only wanted to see what I could get by driving and using air cored coils.

I converted the AC from the magnets passing the coil by feeding that to a bridge rectifier and then connecting that to a cap to smooth the DC pulses.  My input voltage and output voltage were both around 20 volts.  The input current for two coils was around 100 milliamps or so and for the 4 coil system about 150 milliamps.  I don't remember the exact values for the output currents but I do remember the efficiency figures.  I have the output current values in my notes somewhere but didn't look them up before starting this post.

Take care,
Carroll

Very cool. Ok

So now if you double your drivers your eff should improve once again. Double again, gain again. ;)

Now imagine if you worked on just a 1 coil setup and worked it till its eff alone were much better, then start adding more. Just like choosing a speaker at 88db@1w vs a speaker that is 96db or even 105db@1w like I have on the bench. Its the same thing, one is more eff than the other. And then if we can increase eff in multiples, I think we are headed in the right direction.

Mags

Mags