FX Panthera Hunter Compact .22 - Macro Power Adjuster knob skips over "12"

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gtburgin

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Dec 19, 2024
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Totally new to PCP air guns. I just received a FX Panthera Hunter Compact .22 from Utah Airguns. I noticed the Macro Power wheel will click into
all numbered positions except for 12. (See attached video) . Do any of you Panthera owners (or specifically the Hunter Compact) see the Macro Power wheel skip over particular values without locking into them?

 
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gtburgin said:
Totally new to PCP air guns. I just received a FX Panthera Hunter Compact .22 from Utah Airguns. I noticed the Macro Power wheel will click into
all numbered positions except for 12. (See attached video) . Do any of you Panthera owners (or specifically the Hunter Compact) see the Macro Power wheel skip over particular values without locking into them?

Click to expand...
Take it out. I'd bet there is a shallower, no, or off center detent dimple. Or possibly your gun has an irrational fear of dozens. No 12, no 24.
 
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gtburgin said:
I just got a reply back from Christian at FX Support. He says the Macro dial is designed this way and there is nothing wrong. Funny that it takes a newbie like me to notice a little tidbit that I dont see discussed in any videos. In any case its good to know my brand new gun is not defective.
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Mine stops at 12.
 
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FLgunner said:
My Dynamic Compact Take-Down does the same thing. I have no idea why, but it feels like it's probably the shape of the cam on the back of the knob. I have not removed the knob to look at it. I'm pretty sure the breech block of the Panthera and Dynamic are the same.
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FX Support has confirmed to me that its working as designed.
 
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gtburgin said:
Ok, so yours is defective :)
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$H1T!! I want a F#$€£NG son of a €^•√×in power wheel that skips multiples of 4.... Unacceptable.

"Then shalt thou count to three, no more, no less. Three shall be the number thou shalt count, and the number of the counting shall be three. Four shalt thou not count, neither count thou two, excepting that thou then proceed to three. Five is right out."
 
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Ive since learned from a friend with much more FX expertise that the setting of the Macro dial by itself is meaningless. The only thing that matters is the resulting value (from 1-4) that ends up on the horizontal slider thats in between the Macro and Micro roller. So even if I couldnt get the Macro dial to stay on 12, I could get the same desired hammer spring tension value by putting it on 11 or 13 and just moving the micro roller up or down a bit more. I see lots of people giving tuning settings by giving numbers for both the slider (1-4 range) and the macro knob (1-23). Only the first number is needed. At least thats what my friend says.
 
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gtburgin said:
Ive since learned from a friend with much more FX expertise that the setting of the Macro dial by itself is meaningless. The only thing that matters is the resulting value (from 1-4) that ends up on the horizontal slider thats in between the Macro and Micro roller. So even if I couldnt get the Macro dial to stay on 12, I could get the same desired hammer spring tension value by putting it on 11 or 13 and just moving the micro roller up or down a bit more. I see lots of people giving tuning settings by giving numbers for both the slider (1-4 range) and the macro knob (1-23). Only the first number is needed. At least thats what my friend says.
Click to expand...
This is true . I tune differently and can utilize my full range. However you get to the desired results isnt wrong. It's what you want and you're happy with the results nothing is wrong.
 
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gtburgin said:
Ive since learned from a friend with much more FX expertise that the setting of the Macro dial by itself is meaningless. The only thing that matters is the resulting value (from 1-4) that ends up on the horizontal slider thats in between the Macro and Micro roller. So even if I couldnt get the Macro dial to stay on 12, I could get the same desired hammer spring tension value by putting it on 11 or 13 and just moving the micro roller up or down a bit more. I see lots of people giving tuning settings by giving numbers for both the slider (1-4 range) and the macro knob (1-23). Only the first number is needed. At least thats what my friend says.
Click to expand...
 
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Hi gtburgin!
I have seen this topic come up a few times and more often than not it seems many folks don't quite get the whole picture on the FX QTS system. I had started to write a "tutorial" on the system but stopped because I go too easily into "Professor" mode (hear the sound of snoring out there?). Anyway, I will give you a couple of pointers, but if you want more in-depth stuff let me know and you can be the proof reader for my writeup.

The key idea is that the "Micro" and "Macro" both do the same thing, just at different rates. Both of them change the amount of compression on the hammer spring by moving the rear spring carrier in and out (the front end is fixed by the location of the trigger sear). One click on the Macro wheel changes the length by almost exactly 0.2mm. One click on the Micro roller causes a 1/8 rotation of the treaded rod running through the spring carrier support. One complete turn of the threaded rod moves the spring carrier 0.5mm, so one click moves it 0.0625mm.
The Macro makes the changes by pushing on the end of the threaded rod, moving everything. The Micro makes changes by moving the spring carrier relative to the threaded rod. You will see both results on the Micro dial.
When I had my King I tended to tune by setting the micro to something like 2 (on the little hash marks) with the Maco wheel at 10. The I would go up or down on the Macro until I got close to the desired velocity (and sound - tells you about the amount of air leaving the barrel). Then use the Mico to fine tune.

Oh, about the 12 on the Macro wheel. My older Crown will stop at 12 (it has a detent on the back of the wheel), but my newer Crown and the King had no detent on the back for 12 so they skipped over it. No big deal. I just kind of thought FX did that so the position was easier to keep track of without having to look at the numbers.

Cheers,
Greg
 
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