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Author Topic: Gigantic drinking birds  (Read 30774 times)

FreeEnergy

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Re: Gigantic drinking birds
« Reply #30 on: August 28, 2007, 04:41:37 AM »
yeah i think the bird is better because you don't need a heat source really, just natural environment temperature indifference between the head and bottom. also the things i said about liquid vapor and ceiling hight etc should make it self sustaining. ;)


that solar rocker if the lights go out the thing stops no?



peace

hartiberlin

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Re: Gigantic drinking birds
« Reply #31 on: August 28, 2007, 05:43:25 AM »
Well,
that drinking bird is only a heat engine
with a very low efficiency.
It uses the heat difference between the
evaporated container ( bird?s head) and
the bottom to function.
So if you have maybe a temperature difference of just 5 degrees
Celsius, if you put this into the Carnot equatation
you see, that you have a low efficiency.

But anyway, built in a bigger size you can extract from each
"rocking stroke movement"
about the energy
liquid-mass x earthaccelleration x height difference of liquid =
m x g x h.

This is done best by using small diameter tubes, so most of the liquid
is transfered into the upper container, so  the transfered liquid mass
is maximized.

Now this is the energy gain per
"rocking stroke movement".
If you want to know the power you can get you have to have as many
of these events per minute as you can to maximize your
power output.

Using maybe a 1 Meter high bird will only give you roughly about 1 Watts
of contineous output power I would guess,
but maybe you can move heavier masses upwards by using a hydraulic pump
with this method or put a lead weight into the pipe, so the liquid
also moves the lead weight up....
Never give up.
A constant 1 Watts output 24/7 with only using a bit of water each day
would be great to charge up accumulators and then you could extract more power
for a few hours, if you need the power then...

hartiberlin

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Re: Gigantic drinking birds
« Reply #32 on: August 28, 2007, 06:07:17 AM »

hartiberlin

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Re: Gigantic drinking birds
« Reply #33 on: August 28, 2007, 06:42:25 AM »
Here is a great Minto Wheel prototype:

http://www.youtube.com/watch?v=-fUlKBH1sY8


d3adp00l

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Re: Gigantic drinking birds
« Reply #34 on: August 28, 2007, 07:35:04 AM »
fun to watch but a stirling proly has better output.

FreeEnergy

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Re: Gigantic drinking birds
« Reply #35 on: August 28, 2007, 07:45:07 AM »
you can put the drinking bird inside a dark room and still will work, that should tell you something.

edit - i guess you can combine the two. the bird and stirling engine
« Last Edit: August 28, 2007, 12:20:11 PM by FreeEnergy »

FreeEnergy

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Re: Gigantic drinking birds
« Reply #36 on: August 29, 2007, 10:44:08 PM »
the liquid inside the bird does not need to go all the way up to its head, so this way the head stays cool. just make the "neck" longer :)
« Last Edit: September 14, 2007, 12:37:58 PM by FreeEnergy »

FreeEnergy

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Re: Gigantic drinking birds
« Reply #37 on: August 30, 2007, 08:17:21 AM »
also lets not forget to apply aerodynamics for even better results!

hehehe i can't wait to build this thing!


 

AB Hammer

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Re: Gigantic drinking birds
« Reply #38 on: October 04, 2007, 04:50:33 AM »
My wife would shoot me if I built one of these LOL LOL LOL

But I like it!! LOL

truth

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Re: Gigantic drinking birds
« Reply #39 on: December 21, 2008, 05:47:39 AM »
A bird brained device if I have ever seen one.    ROFLMAO