Regulated Benjamin Tank
This is about the results I observed by using a regulated Benjamin tank on a stock Condor. The tank was connected using a CO2 adaptor and a paintball remote.
I wanted to have this ready to post a couple of weeks ago, but it did not happen for a number of reasons.
Below is chart of a lot of shot strings. Three of these shot strings use the regulated Benjamin tank. The Benjamin tank is a 72 cu in 3k psi tank regulated to 2000 psi. In examining this regulator, it looks exactly like a normal HPA regulator used in the paintball HPA tanks, EXCEPT it uses a completely different spring. I tried to adjust the output pressure, unsuccessfully, by adding shims to preload on the regulator. My objective would be to increase the output pressure by 250 psi. I have not given up, but I am discouraged at this point.
Strings 4, 7.13, and 8 use the regulated tank.
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Thanks Shrpshotr28.
You are exactly right, the disks are arranged to provide maximum travel and lowest spring constant.
I am going to do a few more experiments with what I have on hand, and ferret out a source for more spring disks. There is a manufacturer in Pennsylvania. I am going to have to come up with a better way of measuring the output pressure. I may put a gauge on the remote. It also looks like I may need to add some preload to the hammer, but I hoping not.
Strieyder
What do you have your tophat set at? Like a dummy, I went to adjust mine and forgot to measure the factory setting first before I turned it down to .070 of an inch.
Richard.
the spring washers don’t respond much to shimming. you can rearange them however.
Looks like those are alternating: /\/\/\/\/\
if you flip one over: //\/\/\/\/ you will increase tension. may have to make up a little length with one of your shims when you do this.
the washer springs stacked alternating keeps the same pressure across the whole compression range. By stacking two the same direction you double the resistance of that spring.
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Calmountman
I haven’t changed it on either the Condor Tank or the CO2 adaptor. The Condor tank is set at .101″ and the CO2 adaptor is at .078″.