machine drum washing impeller

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Cizo
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by Cizo » 28/12/09, 19:15

Hello,

I am very interested in your creations.
I have a river at the end of my garden and I wish as you exploit the hydropower to create electricity.

Image

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Surfing the net and econology my project has refined.
A priori I will need a paddle wheel (to build), a transformer (BOSCH 12Volts recovered on a VW ladybug), a transformer or converter (as here) and a battery (available: 640A, 12V, 71Ah).
The project goal is to have electricity in a kitchen garden (water pump, lighting, electrical tools ...)

For the construction of a paddle wheel I need advice on the materials to be used for the "vanes". And also a precise pattern in the genre a (41 page) or b

cultural info on hydropower: http://enrj.renouvelables.free.fr/energ ... lique.html
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Forhorse
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by Forhorse » 28/12/09, 21:22

For the blades, if one day I had to build a wheel, I would use PVC tube of big diameter (finally according to the diameter of the wheel) cut lengthwise in 2 or in 3 (180 ° or 120 °)
It may not be the perfect profile, but it's more like a board.
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Cizo
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by Cizo » 28/12/09, 21:40

thanks.
For PVC pipes, I had thought but cut in 4. This calls into question the inclination of the blades. So what would be the ideal inclination?
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TESLA TURBINE




by rodibruno » 29/12/09, 03:51

¿Has anyone known the Tesla turbine?
It seems pretty effective. ¿Opionion who have about this Tesla turbine?
Thank you

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TESLA TURBINE

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DISEÑO OF THE PATENTE
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Cizo
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by Cizo » 29/12/09, 09:42

the FONFREDE wheel
all interesting links on:
http://pagesperso-orange.fr/michel.fonf ... ROUERM.htm
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sam17
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by sam17 » 10/03/10, 21:48

Well then is there or this paddle mill? He produces ? : Cheesy:


Otherwise there is a portable product in the genre that just came out:


Two anchors, one cable and it's ready!

To install this mini plant, it is necessary to place an anchor in trenches dug on each bank. All that remains is to stretch between these anchors a synthetic rope that will hold the device in place in the middle of the stream. The latter must have a depth of more than one meter and a current of approximately 2 meters per second. The military version is more versatile.


www.futura-sciences.com/en/news/t/techn ... dos_22882 /
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by Christophe » 12/04/10, 14:25

sam17 wrote:Well then is there or this paddle mill? He produces ? : Cheesy:


If it's "mine" no, it turned 1 winter month "empty" and frankly saw the damage that there was (floating debris, broken blades, "traviole" boat ...) I wonder if this is the right method ... and if it is possible to manage to do something reliable under these conditions (material and environment of this stream ...)

To start, you must remake 100% metal blades but I have nothing at hand to recover.

In addition the arms (zamac) of one of the drum broke again: it wobbles more than it turns round ... it will do the 3ieme time I try to repair ...

So I do not know what to do either:
a) complete change in the technical approach method
b) continue in this way with the problems that this poses and trying to solve them as and when (for what price in the end?)
c) abandonment of the project: concluding on the limits of the recovery ...

I do not have the answer yet ... I let it migrate some time again ... I do not really want to go to c) but I look more for a) that b) :?

cizo wrote:the FONFREDE wheel
all interesting links on:
http://pagesperso-orange.fr/michel.fonf ... ROUERM.htm


Very good site of information on the subject, with this link in particular: http://hmf.enseeiht.fr/travaux/CD0708/b ... 3/ch3.html

The thank you box
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by Flytox » 12/04/10, 23:02

Christophe wrote:
If it's "mine" no, it turned 1 winter month "empty" and frankly saw the damage that there was (floating debris, broken blades, "traviole" boat ...) I wonder if this is the right method ... and if it is possible to manage to do something reliable under these conditions (material and environment of this stream ...)

As you tried to put a net (kind volleyball net) across the stream and angled a few meters upstream of your turbine. It is he who will recover drifting crap and focus on one edge. Every day you come to see if it fills up and like that you have plenty of firewood and more broken turbine.


In addition the arms (zamac) of one of the drum broke again: it wobbles more than it turns round ... it will do the 3ieme time I try to repair ...

Zamac is not expensive and molds very easily, but it resists very poorly to fatigue, almost any other metal will do better. : Mrgreen:
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by Christophe » 12/04/10, 23:15

Flytox wrote:Zamac is not expensive and molds very easily, but it resists very poorly to fatigue, almost any other metal will do better. : Mrgreen:


Yes it's shit ... in addition it corrode to death ... :?

The problem is that the axis of the drum is integrated in this zamac ... mounting force ... If it is to rebuild arms and buy a shaft / bearing, then the interest of recovering a drum machine loses its meaning ...

By against the 2ieme drum (bosch more than 25 years of age) it looks like the arms are real aluminum and they are 3 times wider with many more ribs ... the axis of rotation is also 2 times thicker! In short not really the same specifications!

ps: for the net I did not have time ... of course :|
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by Flytox » 13/04/10, 21:52

In addition the arms (in zamac) of one of the drum broke again: it wanders more than it goes round ... it will do the 3ieme time I try to repair ...


If you mean the raft is tacking, there must be some simple system to hold it sideways. For example a "frame" linked to the edges of the stream but which leaves free vertical movements to follow the water level. The parasitic forces on the blades may decrease.
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Reason is the madness of the strongest. The reason for the less strong it is madness.

[Eugène Ionesco]

http://www.editions-harmattan.fr/index. ... te&no=4132

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