Regulator in adjustable power gun

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glengiles

Member
Nov 2, 2015
204
3
Georgia
Why would one want to put a regulator in a gun with multiple power settings? Not having used either, yet, it would seem that a regulator is adjusted for a single purpose like a shot string with great consistency. Yet, that process would have to be adjusted based on one setting of an adjustable gun. Move to a different setting and the regulator's performance will be affected, yes? So I'm seeing it as an either/or situation. Either regulate for a consistent string or select different power levels for various shooting circumstances. Am I off on that? Looking for a logic discussion here as the science tends to get over my head quickly. :)
 
 Depending on the rig in question it might make sense.

The reg just keeps the pressure constant. So say 1,200psi is being fed to the rifle all the time, then which ever adjustment you have available ( hammer spring/sliding transfer ports/other,) it would be MUCH easier to figure distinct power levels than if you are dealing with pressure from 3,000psi+ down to 1,200psi. Right?
Personally "I" don't care for adjustable power levels, rather have dedicated rifles for different jobs.


John
 
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Well, YMMV, but I have 3 guns w adjustable power and all three are regulated: FX Verminator and gladiator, and the vulcan in .22. The vulcan might not seem "adjustable" but the hammer tension is very simple to adjust for different velocities. I run it at 20 ft. Lbs for air rifle club events requiring said limits, and hunt it at 35 ft lbs.
Cut to the chase- regulated, no Bell curve regardless of the setting, just consistent, shot after shot velocity.
And that is a great thing to have!
Every gun I buy, PCP aircgun, will be regulated. I have enough to worry about without having to juggle on board air pressure. 
My $.02
 
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When you regulate a rifle like the S510 for example, the power wheel still works. The S510 adjust power by changing the size of the transfer port not the hammer pre load. So when you regulate the S510 the power wheel works as it did prior to the regulator and the regulator still works the same at the different power levels because you are not changing hammer energy when you adjust the S510 power wheel. So you dont mess up the valve balance when changing the power on the S510 thats regulated. I hope that makes sense its late and I am tired;)
 
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Adjustable hammer spring in a regulated gun is there for fine tuning. You can set it up to deliver more shots per fill or for greater power but after the initial set-up, I don't touch it again. 

The ideal for any gun is to deliver consistent power for every shot. Changing the power will shift the point of impact which is bad if you can't predict where it will shift it to. 

In my unregulated guns I use the adjustable power to make up for the lack of a regulator. For example, I start my Career 707 on medium power and then gradually increase the power as the tank empties. This allows me to output consistent power (with some practice) and therefore a consistent poi. The power wheel is essentially used like a manual regulator. Given the choice, I would choose a regulated gun every time. 

My Cricket is accurate and consistent from shot 1 to shot 60. My Hatsan AT44, which I started with, can be consistent (ish) for 10 shots, then it shifts for 15 shots, then it shifts again. The shift is small but sometimes it's enough to make you miss a squirels head if you aren't practiced with that gun. 

A quality reg makes a gun quieter, more accurate and more efficient, it's a key difference between mid - high end guns and the entry-level ones. Adding after-market regulators is not particularly difficult or expensive and is well worth it if you don't have one imo.
 
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