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Author Topic: my idea , using gravity and buyancy... Please read  (Read 4843 times)

Offline Tom Watkin

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my idea , using gravity and buyancy... Please read
« on: February 01, 2008, 07:34:47 AM »
As you can see it uses buoyany at the left hand side and gravity on the right

The problem being, how can we reintroduce the ball(s) back into the water ? without, leaking too much water, or taking too much power to do so?


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Offline zerotensor

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Re: my idea , using gravity and buyancy... Please read
« Reply #1 on: February 01, 2008, 08:39:59 AM »
The problem being, how can we reintroduce the ball(s) back into the water ? without, leaking too much water, or taking too much power to do so?

That is the problem.  The way buoyancy works is that the pressure at the bottom of the float is greater than at the top of the float.  In order to replace the float at the bottom of the column, you would have to displace an equal volume of water.  The weight of water displaced by the float will be larger than the mass of the float itself (otherwise it wouldn't float).  Not only that, but the entire column of water above the float would have to be displaced.  The gravitational potential energy gained by the float as it rises in the column is not enough to displace the entire column of water when the loop is closed.

Have you ever tried to dive to the bottom of a pool while holding on to an inflated ball?  It's a lot of work.  The amount of work you could get out of the ball by releasing it is at best equal, and in reality substantially less, than the work you did to get it down there.  And it doesn't matter if you dive down with the ball from the surface, or push the ball through an orifice at the bottom of the pool; the work you do is the same.

As for the coils,  remember that the emf generated is due to the time-rate change of the flux, a current will arise to create a magnetic field to oppose that change.  The coils will create a magnetic field which opposes the motion of the magnet, slowing it down, and thereby diminishing the time-rate change of flux.  The energy extracted will always be less than the potential energy (either gravitational or buoyant) input to the system.

Of course, if you were to attach the black box at the bottom to "the very wheelwork of nature", you could do this all day long... ;)

Offline zerotensor

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Re: my idea , using gravity and buyancy... Please read
« Reply #2 on: February 01, 2008, 09:00:24 AM »
I thought I had a bright idea that would make this work, involving a clever valve and airlock assembly, but after a few minutes of thought I have convinced myself that it wouldn't work.
« Last Edit: February 01, 2008, 09:21:01 AM by zerotensor »

Free Energy | searching for free energy and discussing free energy

Re: my idea , using gravity and buyancy... Please read
« Reply #2 on: February 01, 2008, 09:00:24 AM »
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Offline Haliburton

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Re: my idea , using gravity and buyancy... Please read
« Reply #3 on: February 01, 2008, 10:10:13 AM »
I thought about the same thing when i was using magnets.  its more harder to introduce it back into the energy source.  Magnets push it up. gravity pulls it down.  now try to get it back on the magnet :-\

Offline aleks

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Re: my idea , using gravity and buyancy... Please read
« Reply #4 on: February 01, 2008, 12:11:24 PM »
You could try to disintegrate the buoy into small particles and have them leak through a porous membrane on the bottom of the water tank. If pores are small enough, the water's surface tension will not allow water to leak down while it will probably allow particles to leak and go up. OK, it's probably cheating (you still have to put an energy into disintegration and make sure particles auto-assemble into a buoy when they enter the water), but that's only an idea. Disintegration could be also accomplished when then buoy falls down. Anyway, law of energy conservation won't allow this to happen, and the process will stop when particles will try to overcome the water's surface tension barrier.

It's cool we have entered 'nano' physics world, so theoretically we can create "smart" materials which attract to each other in the water and repel from each other in the vacuum/air.

Free Energy | searching for free energy and discussing free energy

Re: my idea , using gravity and buyancy... Please read
« Reply #4 on: February 01, 2008, 12:11:24 PM »
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Offline AB Hammer

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Re: my idea , using gravity and buyancy... Please read
« Reply #5 on: February 01, 2008, 05:27:01 PM »
If you are to have any chance think air pressure, but hat would be defeating the purpose.

There are several water ideas that would be easier to work with but they don't work aether. I did a fluid design and it looked wonderfully and I was sure it would work, until I figured out fluid displacement. and I found some similar ones one the internet that people have done and found the same problem. Fluid is only good if it is under pressure, and then again that seem to be the problem again. Where do we get that pressure? hydraulics's? Whats going to supply the power? and outside pump? again the problem.

 Sorry but I think you are on a dead end street.

Offline hansvonlieven

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Re: my idea , using gravity and buyancy... Please read
« Reply #6 on: February 01, 2008, 06:00:08 PM »
G'day all,

This is a old idea that keeps re-surfacing all the time. There have been many variations of it, some patented, none of which work. There is another thread here at the moment along the same lines: http://www.overunity.com/index.php/topic,3988.0/topicseen.html

My advice here, as it was on the other thread, is that you should read up on hydraulics before designing machines that rely on it.

Hans von Lieven

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Re: my idea , using gravity and buyancy... Please read
« Reply #6 on: February 01, 2008, 06:00:08 PM »
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Offline zerotensor

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Re: my idea , using gravity and buyancy... Please read
« Reply #7 on: February 01, 2008, 09:17:39 PM »
This is a old idea that keeps re-surfacing all the time.
Yes.  I've seen this idea floated a number of times.  It always gets sunk, but somehow, it periodically rises to the surface ;)

Offline AB Hammer

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Re: my idea , using gravity and buyancy... Please read
« Reply #8 on: February 01, 2008, 11:19:59 PM »
Well maybe it is the idea that is perpetual, because it does seem to resurface allot.  ;D LOL

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Re: my idea , using gravity and buyancy... Please read
« Reply #8 on: February 01, 2008, 11:19:59 PM »
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