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Author Topic: Mechanical Resonance (Projects)  (Read 29266 times)

Offline gotoluc

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Re: Mechanical Resonance (Projects)
« Reply #30 on: March 30, 2016, 01:00:57 AM »
Here is a vid of a simple device I made to begin exploring resonance, of the mechanical kind.

I want to find out if there are any advantages to including resonance in mechanical and electronic designs. The mechanical seems like a good place to start, and as we have gone over in other threads, the mechanical functions can be translated into electronic functions.

Ok. gotta git.

https://www.youtube.com/watch?v=cVEmF_J_f3s&feature=youtu.be

Mags

Hey Mags,

just noticed this topic!... great demo and idea to start experimenting with mechanical resonance.

I may play around also as vibration is one of my interests which I've not yet taken the time to experiment with.

Thanks for sharing

Luc

Free Energy | searching for free energy and discussing free energy

Re: Mechanical Resonance (Projects)
« Reply #30 on: March 30, 2016, 01:00:57 AM »

Offline Magluvin

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Re: Mechanical Resonance (Projects)
« Reply #31 on: March 30, 2016, 01:15:54 AM »
Hey Mags,

just noticed this topic!... great demo and idea to start experimenting with mechanical resonance.

I may play around also as vibration is one of my interests which I've not yet taken the time to experiment with.

Thanks for sharing

Luc

Hey Luc

Your very welcome to join in. You come up with a lot of good ideas. ;)

The vid was meant to be very simplified so that anyone could understand my recent idea on resonance. It doesnt seem that we use it much. ??? ;) Except in radio, where the receivers are 'designed' to pull in a minimalist amount so that it can be amplified into something substantial.

I think the ideology of the fact that the pendulum being affected by input that is out of the resonant(even lower multiples) range(Ill call it the dead zone from here on in) is very similar to operating a transformer in the dead zone, and calling it under unity and basing the efficiency scale on that. :o ;)

Anyway, Im working on some coils to work with here like Brad has done and see what might come of it.

Mags



Offline gotoluc

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Re: Mechanical Resonance (Projects)
« Reply #32 on: March 30, 2016, 01:19:58 AM »
Hey Mag's

Check this out.

Thanks for the idea ;)

How is it we can draw energy from a resonant system,while at the same time,reduce the P/in?.
The video should show all that is required to believe that resonant systems are far more efficient.

I have since made a second system--well same system,but different oscillating arm,where the frequency is higher. It seems that the higher we go in frequency,the more energy we can draw from the system,and the more we reduce the P/in.

I will keep at it for a while,and see how you go with your setup.
It is my guess that you will be able to use less power to run your motor,than it would use running on it's own--they are the results i have gained so far.


https://www.youtube.com/watch?v=7wD6aDzEVdQ


Brad.

P.S--i think your on to a winner here ;)

Great mod of the concept Brad

Reminds me of another topic ;) ... has he showed up yet?

Luc

Offline Magluvin

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Re: Mechanical Resonance (Projects)
« Reply #33 on: March 30, 2016, 02:45:09 AM »
Thought of doing this....

I do a lot of car audio stuff. I have some stock speakers around so I took one apart for its coil and former. Its 4 ohm so I can run an amplifier on it with a sig gen.

So I extracted the coil and cleaned up most of the glued parts. Some of the glues they use are stupid strong. >:( So there will be a bit of that left. ;D

So I just connected a AAA bat to the coil and held it by the mags as seen in the pic and there was surprising pull while tapping the lead on the battery.

So it gave me the idea for some odd reason to try to make the thing control its own freq.  Working on the scheme. Will most likely need a hand start to get the pendulum to reach the reed switch and then it should go on its own.  There are obstacles. like dose the reed trigger a push or pull when activated.  So I thought further and having a pull will work if it is only a pulse. But it needs to not have continuous hold on the pen and also not another pulse on the way back from full extension.

So im thinking of the Tesla igniter patent circuit.  It has a battery, a capacitor and a large inductor all in series, with the addition of a diode here in series. Then you have a low inductance drive coil that is connected across the cap when the reed switch closes. This will allow a pulse to be sent to the drive coil, and while the reed switch is still on, the large inductor charges up. Then when the reed releases, the cap gets charged up. Very simplified solution to the switching problem. ;) Will have to experiment with cap values and large inductor.  Be neat to see the thing swing with maybe a AAA bat.

Going to make coil brackets after I pull apart the other speaker for it coil.  Going to make some standoffs for the mags so the stainless strip is less involved in consuming drive fields.

Mags


Offline mariuscivic

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Re: Mechanical Resonance (Projects)
« Reply #34 on: March 30, 2016, 11:18:54 PM »
Hi guys!
Spent some time with this ideea. All I remember is that when tried to extract something from resonance, it stoped resonating. Keeping the resonance while extracting something tooked a lot more energy than the one produced.
This is the setup used      www.youtube.com/watch?v=H55vrAfmMNQ

Free Energy | searching for free energy and discussing free energy

Re: Mechanical Resonance (Projects)
« Reply #34 on: March 30, 2016, 11:18:54 PM »
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Offline Magluvin

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Re: Mechanical Resonance (Projects)
« Reply #35 on: March 31, 2016, 12:01:34 AM »
Hi guys!
Spent some time with this ideea. All I remember is that when tried to extract something from resonance, it stoped resonating. Keeping the resonance while extracting something tooked a lot more energy than the one produced.
This is the setup used      www.youtube.com/watch?v=H55vrAfmMNQ

Hey Marius

Try to use steel strips like I did, or if you can get spring steel, both are better than the plexi.  I have to admit that Milehigh taught me ;) that one as I had used pexi first and the oscillations stopped sooner.  Hysteresis loss I believe the term he used.

Next is to look at my full vid in the second post. You dont seem to be operating the wheel to a speed that hits the freq of resonance of your arms with the magnets.  If you notice that when you spin the wheel slowly, there is a certain amount of movement, then spin a little faster it is nearly the same amount of movement. But when you hit the resonant freq of the arms, of which they will need tuning to be at the same freq, the arms will possibly reach out so far and hit your wheel magnets. So you may have to space the arms out some once you get there.

But I think its possibly in need of higher freq(wheel speed) to get the arms on your setup to be in resonance.  If when you speed up the wheel beyond what you have shown and there is less movement of the arms, and even higher speeds even less, then maybe you are hitting resonance in the vid.  Those are large mags and you just may be finding resonance there due to more mass weight, lower freq.  Not sure.

Thanks for showing that. ;)

Mags

Offline Magluvin

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Re: Mechanical Resonance (Projects)
« Reply #36 on: March 31, 2016, 01:21:31 AM »
Hi guys!
Spent some time with this ideea. All I remember is that when tried to extract something from resonance, it stoped resonating. Keeping the resonance while extracting something tooked a lot more energy than the one produced.
This is the setup used      www.youtube.com/watch?v=H55vrAfmMNQ

Also it is best to have a very solid base attachment. lots of loss there if not solid as can be.

The efficiency of the generator portion is important. When we just put an open coil near a moving magnet we have a fairly low efficiency rate there, as compared to what we see in most efficient commercial motors and gens. All those losses add up to big losses. then we also have the efficiency of the driver portion.  But even with the losses of these types, we can still experiment and find better ways of going about it all before we get real detailed in making a better machine.

Mags

Mags

Free Energy | searching for free energy and discussing free energy

Re: Mechanical Resonance (Projects)
« Reply #36 on: March 31, 2016, 01:21:31 AM »
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Offline Magluvin

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Re: Mechanical Resonance (Projects)
« Reply #38 on: March 31, 2016, 10:53:31 PM »
While thinking at work today I thought of using a JT circuit to charge a small cap really fast and use that cap to pulse the coils. The reason I came up with it is the simple fact that we have been playing with the JTs in the other thread..

One way or the other Jt or Tesla igniter circuit,  they can both step up voltage into a cap quite well.  The Jt has an advantage of being very small and needs very little input. Maybe we can generate off the pendulum to power the jt. ;D

Workin on it.

Mags

Offline tinman

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Re: Mechanical Resonance (Projects)
« Reply #39 on: April 11, 2016, 04:13:13 PM »
Well here is my latest test on the magnetic mechanical amplifier.

Just finished putting the 13 watt amplifier together as well for the larger version of this device.
It seems the higher i can go in frequency,the better the effect.
Will keep things up to date in this thread.

https://www.youtube.com/watch?v=mlb79xSh93w

Brad

Free Energy | searching for free energy and discussing free energy

Re: Mechanical Resonance (Projects)
« Reply #39 on: April 11, 2016, 04:13:13 PM »
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Offline Johan_1955

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Re: Mechanical Resonance (Projects)
« Reply #40 on: April 11, 2016, 06:51:56 PM »
Well here is my latest test on the magnetic mechanical amplifier.
It seems the higher i can go in frequency,the better the effect.
Will keep things up to date in this thread.

https://www.youtube.com/watch?v=mlb79xSh93w

Brad


Great, the dynamic: http://webpages.charter.net/dawill/tmoranwms/Elec_FluxCap.html

Offline gotoluc

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Re: Mechanical Resonance (Projects)
« Reply #41 on: April 11, 2016, 07:41:35 PM »
Well here is my latest test on the magnetic mechanical amplifier.

Just finished putting the 13 watt amplifier together as well for the larger version of this device.
It seems the higher i can go in frequency,the better the effect.
Will keep things up to date in this thread.

https://www.youtube.com/watch?v=mlb79xSh93w

Brad

Nice demo as usual Brad

It's always interesting to see such a stiff metal bar move so freely when it hits resonance.
BTW, is the frequency you're driving it happen to be the same frequency as the bars natural ringing resonance like if you hit it with the side of your screw driver?

Thanks for sharing

Luc


Offline Magluvin

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Re: Mechanical Resonance (Projects)
« Reply #42 on: April 12, 2016, 03:41:48 AM »
 ;)
Well here is my latest test on the magnetic mechanical amplifier.

Just finished putting the 13 watt amplifier together as well for the larger version of this device.
It seems the higher i can go in frequency,the better the effect.
Will keep things up to date in this thread.

https://www.youtube.com/watch?v=mlb79xSh93w

Brad

You are the man. ;D    Thanks for continuing on here. I have some brackets to make for my coils and Ill be Wiggin and a waggin too. 

After watching your vid I thought of things.  Like say if we were to just use a coil to distort the field of a stationary magnet so that the magnets field, changing because of input to the first coil, induces a second coil.  We would get about as much in the second coil as if Brad were to change his input freq so the pendulum is not in resonance.  ;) Not much efficiency there. Because the magnets field is not resonant.( or can it be???) We would be only moving its field in a lossy way.

If we look at the movement of the pendulum say at 30hz, there would be a big difference in that movement if it were not the resonant freq. So say out of resonance the pendulum moves back and forth 1/8in for example at 30hz, then we could calculate the speed of the magnet per that distance and time. Now if we have the same but at resonant freq, there is much greater distance of travel, and according to Brad, there is a savings in input when operating at resonance. ;) So at 30 hz and in resonance, the magnet reaches end to end of throw at much greater speeds, giving faster flux cutting of the second coil thus more output than without resonance. ;D ;)

Like I said earlier, I sometimes dont have time for projects. And for about a week I had a lower back prob. Hard to put your socks on pain. But feeling much better today. Double dose of raw milk yesterday. ;) ;) ;)

Mags

Offline Magluvin

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Re: Mechanical Resonance (Projects)
« Reply #43 on: April 13, 2016, 04:40:58 AM »
Just wrote a decent size post and hit send and Unable To Connect comes up and lost my text.   >:( Happens a lot for me here. Then I can get back on after a few min.

Anyway, here is my coil setup. Gotta git

Mags


Offline Magluvin

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Re: Mechanical Resonance (Projects)
« Reply #44 on: April 13, 2016, 04:45:11 AM »
What Brad was saying about better efficiency at higher freq of resonance seems to hold true for switching power supplies also, from what Ive been reading lately. ;)
Just another chunk of knowledge for the efficiency gain basket of things to think about in our builds.


Mags
« Last Edit: April 13, 2016, 07:37:38 AM by Magluvin »

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Re: Mechanical Resonance (Projects)
« Reply #44 on: April 13, 2016, 04:45:11 AM »

 

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