Sling pump: simple ecological pump

[oli 80]

good evening, in fact I stumbled once two years ago by chance on sites talking about hydraulic ram that I did not know, now yes for two years, I came across econology and that's how I got "took the plunge" and signed up, I found all kinds of topics like the stirling engine and others

in fact what most people know about renewables is only the tip of the iceberg
here we deal with this subject in more depth, some technology is not today but has existed since antiquity or previous centuries.

people often believe that it is new, many interesting inventions even of the time have remained in the shadows.

[Obamot]

Yes, it's true. So in summary, you discover over and over there a lot of things. But what do you expect from it yourself? What is your motivation? Your dream? Do you mean that your motivation grows when you come into contact with this site and a few others? What are you going to do with it?

I too have discovered a lot of things coming here and it "self-influences" me in a way.

Have a good day!

[oli 80]

hello, in fact it's been since a very young age that I was interested in pumps with a little special motors, but hey in my entourage it is not too much the center of interest of many people, so through this site I discover that other people have more or less the same interests as me, that's why I like coming to this site

most people are only interested in sports, cars, mechanics, in short if there weren't people like me who are mainly interested in things like pumps, hot air engines and others of these technologies these last ones risk to fall into oblivion

this is what some friends and family tell me

[oli 80]

hello here is what looks more like a spiral pump
http://www.youtube.com/watch?v=LWedIS5teJI
http://www.youtube.com/watch?v=IvT0Y-mcUYw

another model where we see water coming out under pressure
http://www.youtube.com/watch?v=KxsYsu3T7o4

this system is quite easy to achieve, the coupling fittings are easy to find, there are some on the garden hose reels

[Obamot]

The principle of the paddle wheel revisited it looks ... Nice these videos.
At least that's something concrete that produces a result.

Indeed, it could not be more ecological. And as long as there is current, it's a pump principle that works on completely renewable [Edit:] energy.

[oli 80]

hello, this is what I found http://www.youtube.com/watch?v=hkDMrayWoi0&NR=1 we see here a spray tank as a compression chamber and here is the first video

http://www.youtube.com/watch?v=DpUcH4Pm8mc

you even have a pretty girl as a bonus

I also found a site with a sketch of a spiral pump with outlet tank http://www.earthgarden.com.au/waterwheel.html

http://lurkertech.com/water/

[oli 80]

good evening, the spiral pump was invented in 1746 by a certain mr wirtz in zurich, if this system was quickly abandoned, it is because of the materials used to build it everything was made of metal, so often it was extremely heavy and did not work for long, nowadays it is more interesting because we have lighter materials

wirtz was inspired by the Archimedes screw, the Persian wheel and the Heron fountain to realize his spiral, it seems that this system although very old older than the ram, is again exploited, so we ignore how high we can go up in the water

this is all I read in the last site I have but the link in the penultimate message

[dedeleco]

The theory has been worked on and verified:
http://lurkertech.com/water/pump/mortimer/001.htm
http://lurkertech.com/water/pump/belcher/fish/
and since sections of water separated by air are threaded at a finite speed, the viscosity of the air prevents equilibrium so that a pressure difference is established between the sections of water which pushes and compresses air gradually and therefore the speed of rotation is important compared to the resistance to flow in the tube. The diameter of the (small) tube, its length, and the speed of rotation determine the height of the water.
But given the stacking of these water air sections the description is complex and only the simulation can calculate everything and it is easier to see the water and the air in a transparent pipe directly !!!

[oli 80]

good evening, here is a video showing a spiral pump whose tube is transparent http://www.youtube.com/watch?v=NStnCKHPe2s

here it is manually operated but could be mounted on a paddle wheel

like this pump could interest marie agnes since she has already done a noria

[dedeleco]

Nice video, but, even if we see gulls, we cannot follow in detail the complexity of the phenomenon !!!
Except that it is clearly visible that the water does not have time to balance in the pipe by flowing while rotating.
In fact, by turning very slowly, it must be in equilibrium and only pump the little that accumulates in equilibrium in the outlet pipe, in a geometric manner and which, returning back, pushes the water which enters in an alternating fashion.
Already, at slow rotation, one revolution per hour, the system is tiring to analyze !! Especially with a spiral towards the center of the axis instead of a drum, which compresses water and air and makes gurgles !!!
The Archimedes screw was easier, conceptually!
The speed of rotation must be sufficient so as not to allow time for the water in the outlet pipe to come back and empty.

Our ancestors could not have light, easy to handle and cheap pipes with plastic. Only lead and wood existed more than 200 years ago and therefore this type of pump was very difficult to achieve even when it was invented, to the point of abandoning it !!
We do not realize the luck and the progress that we have with almost free plastic tubes !!!.