Highly recommend the EBB booster pump for everyone firing big bore guns.

How much input pressure is used on each side ?

Thanks



Allen

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Of what?

There is 2 one way valves on the HP side and if gun pressure is lower than feed tank presssure then it will simply flow until equlibrium, no boosting needed.

The LP side is regulated to something like 1000psi by the big brass thing.

Sp HP side works with anything above 600-800psi up to 4850psi, just remember not to overfill your gun!

The LP side works as i said on something like 100psi.

How much input pressure is used on each side ?

Thanks



Allen

Click to expand...

Of what?

There is 2 one way valves on the HP side and if gun pressure is lower than feed tank presssure then it will simply flow until equlibrium, no boosting needed.

The LP side is regulated to something like 1000psi by the big brass thing.

Sp HP side works with anything above 600-800psi up to 4850psi, just remember not to overfill your gun!

The LP side works as i said on something like 100psi.

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So supply tank air is first regulated less than 1000 psi? Or is it straight from supply tank to fitting on unit? and that air goes to the smaller chamber. A tee is tapped off to 100 psi and goes on to the larger low presure piston which is has a three way switch which in one direction allows air into large chamber and the other allows air out of the large chamber when compression is done. 



I'm not sure a regulator is necessary in the picture above from the supply tank to the first fitting. The only regulator needed is to the low side chamber right?

They don't have them on their website and I'd like to know the cost without having to go through the sales pitch. Did you not want to tell us what it costs?

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Sorry I am working and was more concerned with helping out a good outfit. You got a quick reply. 



If you buy one! I know you will enjoy it, regardless of where you purchase it from.



I'm just a big fan of supporting good local business.



Don't be so quick to assume lol, what harm would it //www.w3.org/2000/svg%22%20viewBox=%220%200%20210%20140%22%3E%3C/svg%3E

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I have a machine shop so I think I could build one for around $150. I seem to have an endless supply of projects but I don't get many of them done. One of my sons just got into hunting and bought an AEA Challenger bullpup in .50 cal. I don't own any big bores.

Thanks for the info.

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Like most things in life what is your time worth? Design is simple enough. It's whether you have the time or the money. So what's your time worth? The other thing I would be concerned with is integrity of the high pressure side of the pump. That is a lot of pressure.

I am surprised this has not been copied overseas and being remarketed. Similar type of system is used in other industries for thousands of dollars. Look up "Haskel air booster pump"

Supply tank runs full pressre to the HP piston and if supply pressure exceeds demand (more in bottle than in gun-tank) then air will rush by itself until equlibrium ie. equal pressure on both sides. Thats why you have to be carefull opening a newly filled supply bottle. If you run a full 4500psi filled bottle to a 3000psi gun then full throttle is a big no no, and will overfill the gun to destruction.

But most often thats not the case!

You will have a bottle with lower pressure than what you want in your gun and thats why you need a booster.

A booster will work with any supply tank pressure over 800-1000psi and boost that up to and beyond 4500psi.The lower the supply pressure the harder the booster will have to work ie more strokes. The nature of the beast.



The secondary pressure (less than 100psi) supplied to the LP working piston and the flow rate to said piston will determine how fast the main piston moves.



If this is gibberish then holler and i'll dig deeper and explain further.



Remember: there is no stupid questions, just stupid answers!!!

I understand it but there was mention of another regulator in one of the posts. So I was not sure what the presure the low side piston was driven with and why another regulator was needed. So I'm assuming the blue hose has a quick disconnect and low pressure shop air could be used for boosting tank presssure that way tank presssure is not wasted to drive the low side piston.

Does it always complete a full cycle (stroke) of the piston or can you stop the cycle when the pressure in the rifle reaches the rated maximum value.

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It only completes a cycle if you command it so (keep the button depressed). I was doing very very short strokes, probably 1/8th to 1/4 the length of the actual stroke its capable of. I feel shorter strokes lead to less of a chance of overfilling.

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So I assume that when the button is down it will complete the stroke as long as the button is down and as soon as you pull up the piston retracts. You can easily hook up a valve on the low side hose leading to the switch to stop the movement of the piston midstream. That way as the pressure rises you just shut the valve stopping the piston movement and presure rise midstream.

I did that on my homemade dumbed down unit with a electric solenoid it should work on this extreme pump as well.



Allen