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Author Topic: Deepcut's Experiments.  (Read 27237 times)

Offline DeepCut

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Re: Deepcut's Experiments.
« Reply #30 on: December 22, 2011, 01:25:03 AM »
Noticed an odd thing today. I had a 100g coil, 50 Ohms, couldn't measure inductance cuase my meter died. The AUL effect was better when, rather than having a bifilar, series-connected, the two seperate windings individually shorted, out-performed the coil as a bifilar, serial-connected. This goes agsiont my intuitin but i can't argue with the numbers.

I need a variable inductor with variable resistance, is there such a thing ? I'm looking at old radio sets.

Learning is food for the soul.
Experience is a hard teacher, it gives the test first and the lesson afterward.

Offline DeepCut

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Re: Deepcut's Experiments.
« Reply #31 on: January 05, 2012, 04:04:21 PM »
Romero can you tell me what is now updated in this circuit diagram please ?

Thanks,

DC.
Experience is a hard teacher, it gives the test first and the lesson afterward.


Offline Romero

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Re: Deepcut's Experiments.
« Reply #32 on: January 05, 2012, 05:58:47 PM »
Romero can you tell me what is now updated in this circuit diagram please ?

Thanks,

DC.
R3 22k make it variable to find the best value for your coil then measure the value and replace with a fixed resistor. You can leave it variable for both resistors but make sure is 0.5watt or more if not will burn quick.
The other circuit posed before using mosfets works good too but the same thing, variable resistors with 0.5 watt or more.
I have not heard many people saying that they tested these 2 circuits... for the simplicity of the circuit you save having another coil (eg: Bedini) or a hall sensor.These circuit (the one I posted, I am not sure about the other one) will need no external power to run aditional coils in a system.

Best regards,
Romero


Offline DeepCut

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Re: Deepcut's Experiments.
« Reply #33 on: January 05, 2012, 10:46:23 PM »
Thanks :)
Experience is a hard teacher, it gives the test first and the lesson afterward.

Offline DeepCut

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Re: Deepcut's Experiments.
« Reply #34 on: January 06, 2012, 03:28:59 PM »
I notice it has a power input also, do i need a battery for this ?
Experience is a hard teacher, it gives the test first and the lesson afterward.

Offline Romero

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Re: Deepcut's Experiments.
« Reply #35 on: January 06, 2012, 05:23:38 PM »
I notice it has a power input also, do i need a battery for this ?
if is the only driver coil in the setup then you need power to it if not all you need is a capacitor with the right value... you need to test and see what is the best value for you, don't use too much, start with 100uf then add more in parallel...

If is the main driver coil then you must use power and forward the bemf to the next circuit that uses no other power input. Make sure there are no coils to fire at the same time.
If you have multiple coils in the system only one coil will have external power then second coil will also get the bemf from the main coil and all other coils will have no external power, those coils will charge capacitors with a half cycle and power back the coil in the other half cycle.
Based on my old experiments I found that I need minimum 7 coils in the system to make it selfrun or close to that point.
Show me what you got now in the system and I might be able to help you more or we can even meet one day, you said previously you are like one mile distance...

Regards,
Romero

Offline DeepCut

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Re: Deepcut's Experiments.
« Reply #36 on: January 06, 2012, 06:12:06 PM »
Thanks very much for that. I have only made two circuits ever so i'm like a baby when it comes to these things.

My last parts arrive on Tuesday so i will show you when i have something made.

Have a good weekend :)
Experience is a hard teacher, it gives the test first and the lesson afterward.

Offline DeepCut

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Re: Deepcut's Experiments.
« Reply #37 on: February 24, 2013, 01:21:28 AM »
Hello my fellow builders/esses :)

So, the continuing story of DeepCut's obssession with acceleration under load.

I could write a thousand words but instead, the more turns the better.

This acceleration-under-load (AUL) effect is NOT dependent merely on the rise-time of the coil.

I base this assumption on simple mechanical maths. If we are merely retarding the CEMF then the effect would rise and fall in a sine wave, we would have DUL frequencies as well as AUL frequencies.

But, on the bench, the higher the frequency, the better the effect.

So, in my baby-mind of electronics (i am not educated therein) it is not just the rise time, so frequency has an effect also.

Then i learn about inductive reactance, how the realtionship between the inductance of the inductor and it's resistance changes with frequency ...

We HAVE the key. Our dear Romero showed us, with small coils (i still don't understand).

My best coil so far, when presented to the rotor, only reduced the speed from 486Hz to 481Hz, and it only increased the current draw by 5mA.

Get the coil that overspeeds the rotor, push that performance graph of the high impedance coil .,..

DC :)
Experience is a hard teacher, it gives the test first and the lesson afterward.

Offline Romero

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Re: Deepcut's Experiments.
« Reply #38 on: February 24, 2013, 01:48:35 AM »
@DeepCut

...but the best coil is the one that is maintaining the speed (invisible to the system), going up brings many other problems.

Romero

Offline crazycut06

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Re: Deepcut's Experiments.
« Reply #39 on: February 24, 2013, 10:18:00 AM »
@DeepCut

...but the best coil is the one that is maintaining the speed (invisible to the system), going up brings many other problems.

Romero

That best coil is very hard to produce...2 years until now still looking for that coil... ;D

Offline DeepCut

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Re: Deepcut's Experiments.
« Reply #40 on: April 11, 2013, 03:42:26 PM »
OK, i have a coil that has no effect on the system.

Also, when i use it as an aircore, it still accelerates.




Cheers,

DC.
Experience is a hard teacher, it gives the test first and the lesson afterward.


 

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