Quote from: Get some mustard on July 31, 2022, 12:48:48 AMTHANKS Hajimoto for all that info and advice!!! Basically I'm assuming it's not regulating anymore because the shots velocities act like a unregulated gun now and it uses way more air than when It arrived. While polishing the hammer and bolt I was curious and opened the regulator. And when I put it back together it (maybe I dropped something but I doubt it) I dont have the same shot count, it's louder and the velocities are inconsistent. So output pressure IS NOT confirmed. I agree figuring that out is step one! I agree I definitely need to get one of your reg testers as well as a bunch of other stuff I've been checking out on your sight.I need you to confirm that this is a Umarex Gauntlet 30 caliber. All of my responses and commentary below is based only on the G30. If you have something other, please disregard this response.As long as the regulator internals were reassembled exactly the same, your regulator is more than likely working but there is no guarantee that it is working with the proper output pressure. You know what you need to do to get a handle on that. Also in your photos, you show the top of the aluminum piston and inside the bonnet. Quote from: Get some mustard on July 31, 2022, 12:48:48 AMGonna attach a couple pics.Right now the only pictures of I have of the washer stack was right before I re-assembled it (the first time, so it should how it came from factory unless I unknowingly changed something) I have since tried different washer orientations, and removed shims but the gun seems to act the same no matter what. Right now the regulator has one less washer because I wanted to see if it would make a change. Also the reg came without a spring and pin/ball valve at the end, but I don't think that's a big deal since it would be forced open at all times anyway.Your Belleville stack orientation/order does not look to be correct. G30 regulators have 10 Belleville washers, not 11. did you add one? Please note that G30's have the pin and spring deliberately removed to stop folks from filling off the rifle and threading it on with such high-pressure outputs. Please keep in mind, that even though the Belleville washers are in the proper order and the piston looks the same, there are still small manufacturing differences which is why some will have shims in them and some will not. The shim is the airsmiths way of doing their due diligence to hitting the mark.I have provided a couple of confirmation photos of a stack fresh out of a G30 I am tuning. Quote from: Get some mustard on July 31, 2022, 12:48:48 AMAlso haji, since I don't 'believe' my reg is working I was just concerned about the 4500psi pressure unrestricted into the valve tube of the gun that says "2900 max pressure" like if someone wanted to run it unregulated (I don't) could the gun still be filled to 4500 safely?[/qoute]Unregulated would mean that bottle pressure is what is directly injected into the PCP. Because the PCP has an operational limit of 2900PSI the maximum fill limit of the bottle would need to be reduced to 2900PSI. If not the PCP will be exposed to pressures beyond the manufacturer's suggested operational limit. Keep in mind the regulator is there to reduce the 4500PSI down to 2800PSI, without the regulator, if someone filled the rifle to 4500PSI there is a good chance something would catastrophically fail. Even if the rifle held the 4500PSI, I doubt the hammer would even be able to open the valve upon trigger pull. Quote from: Get some mustard on July 31, 2022, 12:48:48 AMAlso I thought maybe the white nylon ball was the culprit so I popped it out and flipped it over for a new surface to seal.If you are talking about the white ball at the end of the Belleville washer piston, that is your seal to the bottom of the regulator body. Once the pressure internal to the Belleville washer reaches the proper pressure the piston pushes down and the white ball stops any additional air from entering the regulation chamber. If the surface of that ball is marred or scarred it will allow air to creep by which results in the regulator allowing too much pressure past. This is known as regulator creep and if it is happening, needs to be addressed. Typically I replace the piston which comes with a new ball installed and top o-ring to correct this issue. Always remember, there is a diminishing return on increasing power alone. When the pressure gets to a certain point you experience valve lock. This is when the foot-pounds of pressure against the face of the valve's poppet cannot be overcome by the hammer strike. This is typically where additional spring rate is required.I hope this helps
THANKS Hajimoto for all that info and advice!!! Basically I'm assuming it's not regulating anymore because the shots velocities act like a unregulated gun now and it uses way more air than when It arrived. While polishing the hammer and bolt I was curious and opened the regulator. And when I put it back together it (maybe I dropped something but I doubt it) I dont have the same shot count, it's louder and the velocities are inconsistent. So output pressure IS NOT confirmed. I agree figuring that out is step one! I agree I definitely need to get one of your reg testers as well as a bunch of other stuff I've been checking out on your sight.
Gonna attach a couple pics.Right now the only pictures of I have of the washer stack was right before I re-assembled it (the first time, so it should how it came from factory unless I unknowingly changed something) I have since tried different washer orientations, and removed shims but the gun seems to act the same no matter what. Right now the regulator has one less washer because I wanted to see if it would make a change. Also the reg came without a spring and pin/ball valve at the end, but I don't think that's a big deal since it would be forced open at all times anyway.
Also haji, since I don't 'believe' my reg is working I was just concerned about the 4500psi pressure unrestricted into the valve tube of the gun that says "2900 max pressure" like if someone wanted to run it unregulated (I don't) could the gun still be filled to 4500 safely?[/qoute]Unregulated would mean that bottle pressure is what is directly injected into the PCP. Because the PCP has an operational limit of 2900PSI the maximum fill limit of the bottle would need to be reduced to 2900PSI. If not the PCP will be exposed to pressures beyond the manufacturer's suggested operational limit. Keep in mind the regulator is there to reduce the 4500PSI down to 2800PSI, without the regulator, if someone filled the rifle to 4500PSI there is a good chance something would catastrophically fail. Even if the rifle held the 4500PSI, I doubt the hammer would even be able to open the valve upon trigger pull. Quote from: Get some mustard on July 31, 2022, 12:48:48 AMAlso I thought maybe the white nylon ball was the culprit so I popped it out and flipped it over for a new surface to seal.If you are talking about the white ball at the end of the Belleville washer piston, that is your seal to the bottom of the regulator body. Once the pressure internal to the Belleville washer reaches the proper pressure the piston pushes down and the white ball stops any additional air from entering the regulation chamber. If the surface of that ball is marred or scarred it will allow air to creep by which results in the regulator allowing too much pressure past. This is known as regulator creep and if it is happening, needs to be addressed. Typically I replace the piston which comes with a new ball installed and top o-ring to correct this issue. Always remember, there is a diminishing return on increasing power alone. When the pressure gets to a certain point you experience valve lock. This is when the foot-pounds of pressure against the face of the valve's poppet cannot be overcome by the hammer strike. This is typically where additional spring rate is required.I hope this helps
Also I thought maybe the white nylon ball was the culprit so I popped it out and flipped it over for a new surface to seal.
Haji, are those 0.046" Bellevilles?....Bob
I notice this piston is quite different from the lower-pressure Ninja regulators I am familiar with.... The larger O-ring on the piston is much smaller, which would require weaker Bellevilles to reach 2800 psi.... The Ninja Regs. I have require the 0.047" thick ones to reach those pressures....Bob
Is it true that removing the thinnest shims is equivalent to reducing the reg output by 100psi?. Or is every regulator different?
I was secretly hoping for 130fpe
QuoteI was secretly hoping for 130fpeThat is 1100 fps with 48 gr. pellets.... definitely dreaming there.... Bob
Yes on reply 8 does anyone know what the piece that's in the Bonet that's shinny and what exactly it does and If it's required to have there thanks