Observation from a newbie

This doesn't apply to many valve types or specific conditions, just the ones you are familiar with currently, imo...
That is highly probable. My experience so far with adjustable power is; Seneca Eagle Claw carbine .22; Eagle Claw .25; Air Venturi Avenger. 22 (regulated); Kral Puncher Breaker. 22.
 
Last edited:
That is highly probable. My experience so far with adjustable power is; Seneca Eagle Claw carbine .22; Eagle Claw .25; Air Venturi Avenger. 22 (regulated); Kral Puncher Breaker. 22.

It very well may apply to a broad set of applications however, Don Cothran balances valves certainly do not apply here, one example of many.

-Matt
 
Hmm, what is a balancing valve? I'm thinking of a Huma regulator for my Hatsan Airmax .22, around $100-, maybe a fancy valve is better?

That is a whole can of worms but in a nutshell its a valve that has a portion of the load caused by high pressure air reduced, the reduced portion is exposed to atmospheric air. This makes the valves dwell more-so controlled by the rate to which the atmospheric chamber refills during the shot cycle in addition to hammer strike. This valve can be made to act near identical to a conventional, while also being able to be arranged in a way to blow open (any hammer strike forces the valve full open), and anywhere in between.

-Matt
 
That is a whole can of worms but in a nutshell its a valve that has a portion of the load caused by high pressure air reduced, the reduced portion is exposed to atmospheric air. This makes the valves dwell more-so controlled by the rate to which the atmospheric chamber refills during the shot cycle in addition to hammer strike. This valve can be made to act near identical to a conventional, while also being able to be arranged in a way to blow open (any hammer strike forces the valve full open), and anywhere in between.

-Matt
The engineering involved is fascinating
I think Kral has an air valve adjustment. Probably not as sophisticated.
 
Ajustable power guns have a range of adjustment that exceeds the efficient possibilities for a given projectile weight. Example, a lightweight pellet will increase in velocity from a min power setting to aprox 30 to 50% of max settings, raising the power higher only wastes air and will not increase velocity significantly. A heavy bullet will increase velocity all the way to max setting with the below 50% being to slow to be effective. A midweight projectile will work best in the aprox 30 to 75% max power range, going to max will waste air unnecessarily. That range of efficiency per projectile weight is the effect adjustment zone for the projectile. This is especially noticeable on guns made to shoot bullets and pellets.
way to much thought on this thread there Mr.Wizard, we know air pushes a projectile out the barrel and then hits a target so just go out and have fun shooting instead of pondering forever on this subject :unsure::):LOL:
 
  • Like
Reactions: _CTAIRGUNNER_
…. I was just thinking that the Huben K1 is the airgun that feels most like a firearm to me.

Aside from that, it might be useful for the OP to know that when an unregulated gun is shooting at max fill, it may not be making max power because at such high pressure, the hammer strike may be insufficient to open the valve. A regulated gun can be set to operate at the sweet spot of pressure and hammer capability. This is one of the many nuances that Motörhead is alluding to.
 
…. I was just thinking that the Huben K1 is the airgun that feels most like a firearm to me.

Aside from that, it might be useful for the OP to know that when an unregulated gun is shooting at max fill, it may not be making max power because at such high pressure, the hammer strike may be insufficient to open the valve. A regulated gun can be set to operate at the sweet spot of pressure and hammer capability. This is one of the many nuances that Motörhead is alluding to.
Yes, I'm aware of that, and hammer spring adjustment. Thanks. There certainly is more to this than meets the eye. Very interesting this low power sport.