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Low pressure water expands the big piston upwards (tyre) which pushes a small piston which creates high pressure, very simple.

They are made to last 20 years plus. We don't build pumps that you have to through away after few years. PM me your phone number and I will give you a call or you can call me on 0427631819.

What won't last?

@brettporta2332 the pipe work of course, they will trample it in

You may listen but that's all you do.. list

@ripme6616 and you make no sense

@@bigears4014 you are revelant. so am I. big ears of what

@@ripme6616 3 grand for a pump without pipes, I built a solar system that doesn't require a stream for $400 and delivers 3000l a hour

It’s great if you just leave it running and don’t need more than 3 ltrs a minute. Tbf you could water a lot of plants and save a lot of time on maintenance by using this pump but then if you need more then there is other options. I personally think it’s great as it would allow me irrigate my veggies without me needing to do all that work and without worrying about whether the electricity from solar or wind is actually working. This thing looks like it takes very little maintenance and effort to do a job that requires a lot of labour by hand watering.

pump to a holding tank. that would be your supply.

Look at the some of latest videos. I have sold over 120 pump and there a few that have bought a second one a year after the first. There will be more videos with showing the output as well as the Bunyip.

it appears that the top chamber ( pump) is completely isolated from bottom chamber . the tire is the bottom chamber. (lifting vessel) the top chamber is a simple in and out pipe with check valves and the lower unit uses low pressure to lift and when the pressure is high enough to break tire bead seal , the upper unit can fall with the weight of the pump forcing water out exit to resivior. super simple and genious. i love the man that came up with this. it out performs a rotary electric pump and will last generations.

Go to new website to contact me as I do sell them: www.bunyipwaterpumps.com

Yes we are selling overseas.

@@brettporta2332 how much how to use it is need a elictric tnx

@@brettporta2332 how much if you send in tha philippines?

Go to www.bunyipwaterpumps.com

A Bunyip pump has a piston, the ram doesn't have one. The tyre is like a big piston, water flow into the bottom of the tyre which inflates the tyre which interns pushes a smaller piston, (which is constantly cycling) which then pushes water out up your delivery line to your tank.

@@brettporta2332 I see, thanks. So it has different "powering" water from the "pumped" water? Can it use dirty water as power source to pump fresh water?

The Main energy that is powering the motor of the pump is from the Falling water which is 2.2 metres, The flow of water that is Falling 2.2 metre into the motor of the pump is 6 lts per second at the time the video was taken, which was at the end of there wet season, it does drop down to 2 lts/sec in the dry months.

2.8 m x 1.4 psi = 3.9 psi 3.9 psi pushing a big piston (tyre) which pushes a small piston generating 100 psi.

@@brettporta2332 thank you for your answer and reply. Love to see your work.

Wow