Ram Pump Crushes Tennis Balls
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- Опубліковано 18 сер 2019
- How well will Tennis Balls work as a pressure tank fill for the ram pump? In this video we test out that idea. Turns out not so bad.
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I've been down the ram pump rabbit hole over the last few days, and I can't help but wonder why (short of the cost), a small commercially built pressure tank wouldn't work in place of inner tubes and tennis balls and pool noodles.. They're built specifically with a diaphragm to do exactly what you're doing, and they're safe for potable water.. I can't imagine what water tastes like after it's run past a trio of tennis balls... :) Regardless, thanks so much for introducing me to these pumps. I've been contemplating ways to move water over some pretty long distances on my property, and this will definitely do the trick!
you should try adding a bladder type expansion tank to this system so you can pre charge your tank with above atmospheric pressures.
Oh Great job on the clear pressure tank, simply brilliant idea, nice job!!!!!
Thank you. The clear tank has very much helped me to see what is going on with the tank fill.
I Love ram pumps, subscribed! Also glad to see your selling ready to use ones.
Yes! Thanks for watching and subscribing. I have been working with the ram pump for about 6 years now. Lots of fun.
To drill a tiny hole, 1/32 in, just below the check valve under the pressure tank would remedy the air-loss in the pressure tank entirely. I know it is somewhat counter--intuitive, but it works. You will see water squirting out, but every time, just before the valve acts, it sucks in a small amount of air into the pipe. My grandpa used an old hydraulic ram pump some 40 years ago and he explained that this little hole was crucial to the function, otherwise the pressure tank would lose its air and the pumping would stop.
ram pumps: the hydraulic boost converter.
Boosts aren't as wasteful though, but yeah, the concept is there. It's always amazed me how efficient boosts are though, you're shorting the supply. But when you think about it more, as you're modulating for how long it happens and so it averages out the Cu and Fe losses, which come way down to a pretty small level. Doesn't work for water haha.
You could say it ramps up the pressure
This is powerfully done. I will use your invention to power my house for free. Thank you
Bro the giza pyramids use the river to have made. Giant ram pump
Haha, the captioning system is recognizing the valve clapping as actual applause. lol [Applause]
That's too funny!
Just slow and sarcastic, very nice.
I think it is the waterfall
I respect your hussle and all and I'm definitely going to make one but 100 videos on just ram pumps is killing me cuz if I type in ram pump the whole thing is clogged with your videos and I'm trying to see other people that can better articulate the science behind it.but pretty cool man.
When you ll be amazon
I've been trying diferent things inside the tank. Yours is great can see exactly what's happening.
Great effort ...
Thank you. It sure is fun seeing what's happening inside the tank because by the time you relieve the pressure to see how well something fared it's probably gone back to its original shape
Do you have the plans and parts list that's a great pump
First time I've heard about Ram Pump !! Thanks for sharing ;-)
Nice! There are over 100 video tests and installs for ram pumps on the channel.
Another great informational video!
To actually see what’s going on inside through the clear PVC pipe is amazing to watch
Great video , I'm glad you did the clear tube , it gives me a undertanding , I would love to make one of these an I have all the right tersin to do so ,but here in Texas we find have constant running rater , not in my area anyway. , great informative flick
Thank you for the information on ram pumps. I have not watched all of your videos, but on the ones I did watch, I noticed the water is always dirty or has considerable sediment in some parts of the system. Is there a better filter system for the intake ? Or do you not find it necessary.
Well that settles that. Thanks! Glad to have a visual.. that explains why the tennis balls didn't do very well. Anything that doesn't hold up the "volume area" for the PC.. effectively isn't there as air pressure space. Keep up the great tests Seth! When you read deep into ram pump design.. all the old school stuff says use a snifter valve and infuse air into the pc with that. I have been wanting to for a while.. but that hole size is critical. I have some ideas though. cheers!
Yes the hole size is very important! the couple times I have tried did not go so well. I have a small valve used in a Cpap machine. I wonder if that will work? It would allow some water out but I am not sure that it would allow enough air to enter the pump to replenish what is lost. This test is on the list for the summer if I can find time to make it.
The water level went down because the air volume increased. I bet tiny bubbles in the standpipe introduced more air into the chamber. You had delivery shut off, so they couldn't escape that way. The pressure seemed about the same as when it had more water volume, so that backs up that there had to be more total air introduced.
Yeah, it reminded me of how they used to produce compressed air for mining equipment 100+ years ago.
My guess is that the water level went down without losing pressure (as noted when you opened the drain valve) because dissolved air in the water escaped and filled the top of the pressure tank. There is a lot of air in water.
Like your work man!!!!!!
Thank you. The ram pump is really fun to work with. Lots more content planned for 2020... when the weather is warmer.
Muchas gracias
I like your experiments. :) keep it up!
Have you tried a partially inflated rubber ballon?
hi have you make any readings about air pressure inside the air tank ??
Almost like a bladder set up , nice job mate
Nice work
Very interesting job 👏
The water level did went back down due to the accummulation of air in the tank. You see, there are tiny air bubbles that go with the water or air dissolved in the water. I predicted as I watched your video that the moment you open the drain valve, there will be too much air that will come out, and, obviously there was!
Thanks for sharing your wonderful video! God bless!
Subscribed when you said racquetballs. I was about to comment to try them 🤘
Haha yes I did try them too! It's super fun to see them get squashed.
@@LandtoHouse post the link man
What head of water do you have, both on supply and feed?
Interesting..!!!
It is just pressure(liquid & ambient) to temperature relationship...we have study it in school..
Can you leave them in there and will that make it always have crazy pressure
Hi i built 1 1/4 " ram pump. Not finish yet. Is the bicycle inner tube important for it to work?
Hope you had open the delivery valve to se if there is improvement in water supply
I think you should consider putting a shrader valve on the top cap of your pressure tank, you could incorporate a gauge in the same plumbing to check air pressure.. You could release the pressure when experimenting to make it less stressful and wearing on the ball balve. Also, you could experiment with injecting air pressure into the pressure tank besides the amount that is passively there at the start by the size and shape of the tank itself. You could add air volume with a bicycle pump. Not that it is needed, but in the spirit of experimentation, it would give you the effective results of a longer or wider pressure tank, while keeping the size as it is. This might be useful for instalations that do not have the vertical room for the tall riser. Just some random thoughts. Great video, oh, and Ive asked before, but havent heard back WHY USE PRESSURE TANK FILLER AT ALL? It seems unnecessary to me. What is the advantage. The air is already there. Databyter
Trying to make my own for my small garden....thank you...more power to your channel from Philippines.
Boss para saan po ito? Pinapanuod ko lng wala ako maintindihan eh, thanku po
@@mikailahyakuya6722 hello po ;) Filipino po kayo? Good to see you here ;)
Ito Yung tinatawag na ram pump..gumagamit Ito ng potential energy ng free flowing water para maka pag pump ng konting tubid sa mataas na Lugar..Wala itong gamit na fuel or electricity..
Tinitang sa video na Ito ang pressure ng tubig gamit Ang kanyang tank....pinapakita ya na napakalakas ng pressure ng kanyang ran pump na kaang I crush Yung tennis ball..;)
Godbless po ;)
@@usapanggulay opo pinoy po, thank u po 😊
@@mikailahyakuya6722 its nice to meet you here...Godbless ..stay home stay safe.
what if you add a valve that you can attach a bike pump to so you could add more air pressure seeing as air can compress where as liquids are hard to compress. Would that increase results making it push more or interfere?
100 videos on ram pumps !!!! Guess I'll have to allocate more time. I really like the clear pressure pipe so we can see what is going on and I saw in another of your videos that you added a pressure gauge on the pressure pipe. I think I've missed the initial video that described why you are adding more compressible medium inside the pressure pipe and the benefit that that gives. Interesting that air started to occur after a while in the pressure pipe - would that indicate that the tennis balls or bicycle tubes may not be necessary?
Did you experiment with different heights and shapes for the pressure pipe? Some designs show more of a big round bulb than a pressure pipe.
Cool video. If you are trying to form a better accumulator, you could simply pre-charge the tank with air... you are looking for enough air in the tank so the water level is at about 2/3-3/4 full and it lowers down to about 1/4-1/3 at minimum pressure. Put a pressure relief valve on the output so the water you draw off passes thru it, with a spring that stops the flow at the minimum pressure to keep you from loosing the air charge. As you saw in your demo, aireated water in the input can add air volume to the accumulator, y0u will have to adjust the water level/pressure relationship occasionally...
Caramba, maneiro. Show LIKE!
What would happen if you put a few Ram pumps in series at strategically placed stages after your first output? could it increase output pressure at all? and then also maybe have one on a down hill section of the output after the first RAM Pump? just Curious
Hi which watch do you wear
Where can i find the acrylic cylindar and that large union you have in the video?
The clear pvc was from ebay. The union I don't remember. It was a google search.
I think a pressure gauge might answer some questions.Maybe not but it gives you more data to analyze. Thanks for sharing.
Thanks bro
How's the flume going ? Im gonna build one myself 😄 and awsome video on the tennis balls 👍
The Flume is doing fine. Some issues with erosion underneath it. Also I highly recommend you use exterior screws. When I built it years ago I did not understand the importance on exterior screws
The opening through which intermittent water comes out... Is it possible to put a device that prevents water by pushing air instead of it, and switching between them continues?
I have 2 Artesian wells about 100 down hill 500 feet horizontal from my house. I am a newbie but I would like to daisy chain 2 pumps to get to the top. Start with a 2" and get it to go to a good level the drop it back doen about 20 feet into another pump. Would that work?
I've never heard of a ram pump before today and I've watched a few of your videos on them now. In my ignorance I thought of a question. If you remove the PVC pipe (the one you put the tennis balls in) and replaced it with something much bigger, like a small propane tank, would the added air volume increase water pressure at the end of the line?
Thank you for watching. That's a valid question. Pressure tanks basically smooth out the output. Adding a larger tank does not increase the output. The output is based on the input head pressure. The pressure tank can only build to the pressure of the input head pressure. That's a mouthful haha
To work properly the chamber needs some kind compressible medium to store and release the energy. Commercial ram pumps have "snifter" valves to introduce air into the presure tank on each cycle . So the more to an extent more captive air more water can be move in a cycle.
What temps have you run this system in? We don't need our water badly in the winter but we could go right up until the first freeze growing greens.
I once ran the pump in 15 degree weather for around 5 days. It kept going until ice rose up from the ground and plugged the delivery. That stopped the flow and the pump stopped.
Where do you live? Wanna come to Minnesota to install a few systems?
air got in the water coming down the supply pipe! Water often has some air in it. Having worked with wells, I have had that trouble before. I know you would not think well water could have air in it.
So how does this affect head pressure and gallons per minute?
Seth,
I was wanting to use the tennis balls trick to prevent water logging my system, I've got a 1/2 inch pump,how many balls would be the optimal amount for this size pump, thanks
You would need to use a larger than 2" pvc pipe for the pressure tank. 3" seems to do well. I think that 3 is a good number!
Exatamente o teste que eu queria ver. Transparência na câmara de ar comprimido e demonstração da pressão pelo esmagamento das bolas de tênis. Muito bom!!!
Wow. Great video. You could mount a hose pressure guage between the tank and the bleed valve. Could you try the tube with much more pressure, ex. If tube build 35psi. Could you get 40 psi in the tube? Thanks. You are building a great library of knowledge for everyone.
Oh good idea. I have that hose guage that would fit there well. I think that is a good place to start reading pressure. I won't even have to take the deliver puoe off. I am not sure about building more pressure in the tank than the ram pump can make. I would need a non return valve to add that pressure.
Can you please make a list of all your parts? I’m looking to build one! Fascinating stuff!
He's got a full video with parts and very detailed how-to-build. And e-books on the website.
The2x4 Figured it out on my own and built it. Works fantastic pumping water from my stream to my garden 140ft up a 40 degree embankment. Have it connected to a filter, regulator, timer, and drip lines for my veggies and flowers!
This is very interesting. Can you also make a video using bicycle tube let see and know which one is very effective
Yes! That video is now out on the channel.
Little late but have you tried a equalizer cylinder? It's a hydraulic cylinder with a loose piston in it and gets pressurized on both sides thus creating a suppression reservoir to supplement volume and not starve a system. Sold as a race engine preludes but doesn't matter what you use on either side of piston ie: oil,air,coolant
great vid
Thank you! I really like testing with the ram pump.
Also, what is the purpose of the sluice?
man thats great, men help me if i make a pump like that and i put that pump into a water tank can that pump deliver water 4 meters up?
what if you pump more air at the tank will it still flow on the high ground???
Hi, this is your subscriber and regular viewer,s. Kindly make a vedio on how to make Ram Pump on easy way. I will be be very thankfull to you. No dought you are a very nice person.
are you using spring check valve or swing check valve?
One of each. The waste valve is a swing valve a secondary inline valve is a spring valve
Ok might I render a suggestion that you try a 1¼" pvc pipe fitted with test plugs = to ¼ the size of your expansion tank.
Reason for the test plugs, instead of caps, because they fit to the inside diameter of the pipe, not over the outside.
Also think that if you were to put a Schrader valve into the top cap you could pressure the expansion tank to about 10 psi.
Wow.i never expecting that.
I had no idea what was going to happen. ... we find out the actual pressure in the tank on Friday !
new to channel, so i might have missed a previous explaination, does diameter or length of pump chamber make any difference?
Thanks for joining in! Yes the volume of the pressure tank does make a difference. If the pressure tank is too small the pump can stop when the delivery pipe is opened too fast.
@@LandtoHouse does it make a difference on output pressure, assuming you have enough tank.... and i am assuming by your reply that it is the internal volume of pressure tank that is the biggest "deal" either by heigth, or diameter.... as long as your output line has enough room to be submerged at all times
You are turning the inertia of water in motion into a pressure spike when its motion is suddenly halted by the slamming exit valve. A larger volume of water in motion = a larger pressure pulse volume. A larger pipe would produce greater volume, but managing that exit valve gets more difficult as size increases. Anything that can “stretch” and absorb that energy can lessen the pulse and allow it to push back up the pipe instead of keeping the exit check valve open and pushing more water into the collection chamber. Because you are trying to capture a pulse, you want the final few feet of the structure to be as rigid as possible so more energy gets concentrated against the exit check and forced into the tank(steel would be better than plastic). Notice the feed pipe moving with each pulse in this video, thats lost energy escaping. You also want the feed pipe to be as straight as possible...
would this setup work for a steady flow for a camp or just pulse and would I need a tank for the water at the camp to feed flush and kitchen sink flow?
The pressure would be low and the flow rate is also low but it can be used directly.
Many people use a holding tank or "water tower" to equalize the availability and flow. Since the ram runs 24/7 it can stockpile while you're not actively draining the tank
Thats a pretty primitive way to power your flux capacitor, i like it.
It works well! ua-cam.com/video/chAXJO3-m60/v-deo.html
Haha
The water level went back down because of the accumulated air pressure... every time the valve slams shut and then opens, it's sucking in little gulps of air... that would be something to measure... need to get your pressure gauge on it now...
I just found your channel and I’m intrigued. Can you tell me cause I’m an idiot what is the purpose of the inner tube?
The tube is supposed to act as a bladder to prevent waterlogging.
Add me in your idiot list cause I also need answer...hhhh
You could drive something with that Pressure !?
What is the minimum length of the drive pipe
What is the volume of waste water, escaping through the check valve, compaired to the volume if water that is actually pumpped to it's destination? I love the idea of a ram pump but it seems a little inefficient. Though that wouldn't stop me using one if the waste could just pass back into a stream like your setup. Unfortunatly I am in a city and liked the idea of using one to transfer water from a rain water collection system to an elevated water storage tank to then feed a hose in the same was you use yours.
When using the ram pump in a creek it is essentially 100% efficient. But realistically in a closed system like your rainwater storage the pump is only about 10% efficient. In other words only 10 gallons out of 100 will make it to the top. Not really worth using the ram pump in a closed system like that. You might be better off with a 12-volt solar pump
The sudden release of pressure... :)
I need to bill one to get up at a hill 700feet I live on top of the mountain but I got a river to the bottom of it ???
You should try the punch balloons like the ones in the link below but there are some that are thicker and way strong. You might even try an inflatable workout ball. Hell try a foot ball.
Depending on your water source, you could have a bit of dissolved air or microbubbles in your drive line which come out of solution in the pressure tank and increased the mass of air in your pressure tank. Alternatively, you may have a small leak after the waste valve which is allowing air into your system. One way or another, air was introduced into the pressure tank over the course of 3 days.
you cant have air before the release valve, this only works because water doesnt compress, the kinetic energy of 1kg of water falling 10 m can be used to raise 0.5kg 20 m. those air bubbles would compress and expand some of the pressure. what the guy could do is stuff a sealed balloon in the tank.
@8:30 i wonder if its building air inside because of small air bubbles feeding the pump from upstream, the air bubbles are being compressed and entering the clear tube where it is unable to escape
Came here to say this. Another guy used a bucket upstream to remove air from his pump feed line. Also reduced silt.
Yes air stops a pump really fast.
I also like the bucket intake method. It reduces silt and provides an air free source.
@@LandtoHouse It's like a Trompe! No moving parts air compressor? Heres one here: ua-cam.com/video/uvf0lD5xzH0/v-deo.html
Next project maybe? Free shop air?
What is the advantage of moving to a Stainless steel check valve instead of Brass?
The increased air is from the tennis balls expelling there pressure. Tennis balls come pressurized. This is why they are in an air tight can.
There was far more air in that pressure tank than was ever in the balls, and the balls still had pressure when taken out. Most likely explanation is bubbles in the water being pushed into the pressure tank. The displaced water in the pressure tank would have been escaping back out the one way valve (you will always lose some water as the valve closes)
No, it is from entrained water. The early air compressors worked in a similar way. They're known as Trompes
There is a great video on it here:
ua-cam.com/video/uvf0lD5xzH0/v-deo.html
Maybe he could use that trompe to periodically keep the air topped up instead of using a bladder.
There is no contribution of the tennis ball about that theory. The rule of the tennis ball rule is only to increase the water pressure of the tank.
Big Jon no the reason the tennis balls flaten is because the pressure is not equal on both sides of the ball
The water level coming down during the experiment could be due to air entering the system
thats what happens i think. you could add a manual or automatic bleeder valve to get rid of the air.
Water is being displaced by new air that is coming in with your supply water(micro bubbles). Small amounts over time will displace the water and give you a better air spring.
Huh good point, if this were drinking water what would your thoughts be on compressed stale air?
so two questions,is an air bladder absolutely needed,and aslo,what is the best thing to use for a air bladder material?
No the bladder is not required. The pump will work without the tube in the tank. The pump will actually work without a tank. But it will hammer itself to death.
Mas , mbok nganggo boso jowa to , aku ko g mudeng , piye ki ?
excelent
Thank you! This one was fun.
How much higher is your inlet than your pump?
Interesting hypotheses. The air in the tank was created from air in the water. Add an air valve to the top then attach to a larger air tank. Wala! Free compressed air. Compressed air can do work in many forms.
the air pressure in the tube is forcing the ball down against the bottom fitting creating a seal, preventing the water from entering the tube, you can see the black mark on the ball when you remove it.
Looks like it would have held 7 tennis balls, could you try that? I'd love to see you try ball pit balls.
Hi sir,,im in philippines,,,can a ram pump can climb its output to a 80 meters high??can please send me a complte compilation of its pressure and measurement,,,im very interested,,,,please consider my request,,,,thank you very much
Just started waching your youtube channel. What is the purpose of this experiment with the tennis ball or bicycle tube? Does this ball or the bicycle tubes helps the pressure? or is that really needed?
The ram pump will operate without a pressure tank altogether but the water hammer really kicks the pump around. The tank gives a cushion of air. The bike tube or tennis balls are to help always have an air pocket available.
@@LandtoHouse thank you. Really appreciate the response. Water is the life line of any farm.
Wonder if using Chuck it brand balls for dogs would make a difference. I know that they are indestructible.
What we don't see, is how these things you put in there effect the actual operation. How many feet higher does this pump water? What is the benefit of one thing over the other? Why the bicycle inner tube? What pressure should the bladder be at? What if you had a way to pre-pressurize the chamber? What would that change? Let's say, with nothing in the tank, the air reaches 150psi at normal operation (totally guessing) what would we put in there that would resist that or be a better spring?
I'm thinking about making a test with all of these and measuring the flow rate at the top to see if there's much of a difference.
The reason there was more air in the tube is because of entrained air. This is how Trompe air compressors work. There is an excellent video on it here:
ua-cam.com/video/uvf0lD5xzH0/v-deo.html
So satisfying to watch that...lol
It was really fun. I have tested this with racket balls and a water bottle. Both of those were fun to watch as well.
Run bike tube psi the same as head pressure
possible you waste valve sucks a little bit of air on cycle. This would put air in the tank. My question is if the tank becomes air bound will it still pump.
In large commercial pumps or the really old pumps there is a valve called a snifter valve that would replenish air with each cycle. I hope to do some more research on those this summer. ... the pump can operate with a waterlogged tank but it will hit hard and not be very efficient
Why the water level backdown there are two hypotesis about that 1st the pipe had leck then 2nd the water pressure back- up to the check valve due to the water pressure tank level reach to the top that air dont have space anymore so the water return and find a way to exit to the check valve if when there is no leak,but if there Is a leak It will goes to the leak slowly when It reach to the maximum pressure.
I like this... there is a leak of some sorts in your pressure chamber however
It's a fun test! The leak is happening because the delivery pipe is closed and the pump is hitting hard.
Whow I didn't know there was that much pressure on those pressure tanks.
I can smell the freshly opened can of tennis balls