Ram Pump PSI Test 1

In this video I take a pressure gauge and connect it to the ram pump. First at the pump and secondly at the end of the delivery pipe. I am looking at the pressure to see numeric PSI values with the setup.

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[andytuesday]

Residual pressure with opening static pressure with no openings. Roughly 5psi for every 10 feet of head pressure. .433 lbs per foot. Just sharing some of my pipe fitter knowledge because these Ram pumps are interesting and this test was interesting. 😎👍. I have not made one these yet and it’s a great idea for certain situations.

[jlydon]

Have you ever tested the air pressure in the pressure chamber? I'm wondering if using a large enough tank, that you could make an air compressor to run pneumatic tools? Throw in a safety dump at around 160psi at the base of the tank, to expel water when needed. Edit : I did the math, you'd need a series of ~8 equal size tanks to create ~100 psi equal to the free air volume of 1 of those tanks, all but the last would fill up with water. I suppose a bike pump (or something similar) would be more realistic to fill a holding tank.

[oldtimer]

I've been down playing with my ram pump as well today, I've managed to gain another 6 inches of fall without moving it so it will be interesting to see if it makes much of a difference

[oldtimer]

Interesting stuff, I am sure you are right about the pressure difference from to to bottom, By the way you have forgotten to put in a link on the Amazon site for the guage

[johngodwin]

Great tool. My ram only seems to run about 24 hours before it stops. I don't have my stand pipe properly installed. My flow over time slowly slowed down then increased then stoped about a day later. I think I need to get my stand pipe fixed and a check valve in my delivery pipe. 500 foot of delivery pipe 200 foot of elevation

[driopas]

it is the height difference between yr pump and the end of the hose.As we know from physics pressure accumulated at 10 mtrs (30ft) of a water column is 1 bar aprox 14, 5 psi, so by knowing the height difference between the pump delivering the water and the hose end, u will know the pressure difference. that rule applies as far as i know at any horizontal distance and at any breadth of the column, meaning that no matter far or how wide far yr hose is, the height difference does the job.

[johngodwin]

You should be able to pump that water 46 feet elevation with 20 psi@ pump. 😄 🌊