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Gravity powered devices => Gravity powered devices => Topic started by: johnny874 on June 09, 2012, 03:17:14 PM

Title: Environmentally Friendly Hydro-Generator
Post by: johnny874 on June 09, 2012, 03:17:14 PM
 This is an old idea of mine. I sent a letter to the editor of the Lexington-Herald and was surprised when they printed it. You see, this system could be said to be powered by gravity being manipulated. Just having a little fun there  :P
 Everyone knows the tide changes because of the fluctuations in the Earth's gravity because of the effect our moon has on it.
 The basis for this concept is that when the tide is moving in or out, it has surges. And if take the time to think about it, how much water is moving when water washes up on the beach ? If you were to go out a little ways, it could be tons of unused potential.
 With this type of generator, when the tide surges in, it would compress a piston creating high pressure hydraulic fluid. This in turn would rotate a large disc similar to how a steam turbine works. Maybe there might be a more efficient way of converting one potential to another, but that can wait  :D
 You see, when the tide moves out, it also has potential just as the under tow does.
 And with a generator like this that would sit on the sea floor, it would also create a marine sanctuary which would actually help the sea life by providing a safe haven for smaller marine life.
 edit; With the extra illustration I added, it was a variation where the tide flows through the generator from either direction. The only concern with this would be how corrosive salt water can be but might be the better of the 2 idea's. Of course, not sure how well this protect sea life which is necessary. Almost for got, large pistons could create a barrier between fresh and salt water sides. Would perform about the same work but would be easier on both the generator and sea life  :D  End edit
                                                                                         Jim ( (
edited to add extra illustration
Title: Re: Environmentally Friendly Hydro-Generator
Post by: FatBird on June 10, 2012, 04:02:44 AM
Some countries ALREADY USE Tide Generators, like IRELAND, for example.  Click on the Link below to learn more:;_ylt=Am3aQDMKwDfT.R.xA31eqVqbvZx4?p=ocean+tide+generator&toggle=1&cop=mss&ei=UTF-8&fr=yfp-t-701 (;_ylt=Am3aQDMKwDfT.R.xA31eqVqbvZx4?p=ocean+tide+generator&toggle=1&cop=mss&ei=UTF-8&fr=yfp-t-701)
Title: Re: Environmentally Friendly Hydro-Generator
Post by: mscoffman on June 11, 2012, 04:52:02 PM
And Canada; (
Title: Re: Environmentally Friendly Hydro-Generator
Post by: johnny874 on June 15, 2012, 07:43:28 PM
And Canada; (

  Thanks for posting the link. I read some of it and will read more later.
 Not sure but am thinking about demonstrating a basic sinkable float.
 I'd expand it and collapse it manually just to show by changing the
volume of a float, then it can sink or float. Of course, it would be weighted.
Title: Re: Environmentally Friendly Hydro-Generator
Post by: johnny874 on June 15, 2012, 10:42:33 PM
And Canada; (

 They say that one tidal array will use 3 turbines which will have 5 megawatts of power.
 I think that is stepping up the game for free energy. Maybe I'll stick with perpetual motion.
 something a working man can afford  ;)
Title: Re: Environmentally Friendly Hydro-Generator
Post by: johnny874 on June 16, 2012, 10:30:28 PM
 What has come to mind is that what mscoffman linked to could be modified to a sinkable float. As such, it would be possible to have the blades enclosed to prevent killing off sea life.
 If you like sea food like me, then that is something to be concerned about with over fishing and all.
 When a float closes and sinks, it could operate 2 sets of blades, one on top and one on bottom. And when it expands, the blades could turn and keep powering the turbine/generator set up.
 I will be able to post a drawing of some type on Monday. Have found out the local college has their library open on Sundays for a few hours. not sure if I can scan and upload there or not. But a drawing would help to better understand how it would work.
 Also, by knowing a few values, then it might be possible to consider how much energy it could actually generate for what size. As the guy in Russia said, moving 10 tons creats a lot of power. The numbers I will aim towards are something practical like 2 100 lb. weights made from hydraulic cement. Water doesn't weaken it if the container wears.
 Also, with they hydro side being enclosed, fresh water could be used which is easier on the blades.
edited to add; @All, I have let the company that furnished the blades for the people in Canada who are using tidal current. Their information states that if the velocity of water doubles then the power output is 8 times what it would be at the first velocity.
 The reason for this is it would take a company who is interested in the specific technology to give any value to it. But will post it in here for discussion and who knows, maybe they will take part in it.
 I do have experience with steam turbines and generators so will know some things in a conceptual drawing to watch for. Basically, I will be drawing (double intendre) on my experience working with things of this nature.
 Might be Monday when I post.
p.s. If they like the idea enough to pursue it, I will ask that they remember Stefan who maintains this forum for us to have a place to discuss such things.
Title: Re: Environmentally Friendly Hydro-Generator
Post by: johnny874 on June 17, 2012, 01:27:47 PM
 I,m going to stick with Bessler.
 With somethin like this, a tube changing it,s volume will either sink or float. When it,s moving in either direction would also move a blade assembly. This could possibly power a generator.