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AEAC Video – FX Maverick Tuning Guide – 12 Tunes, 3 Barrels, 2 Bottles

Forums PCP Airguns PCP Airgun – Tuning & Repair AEAC Video – FX Maverick Tuning Guide – 12 Tunes, 3 Barrels, 2 Bottles

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    AEAC
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    United States
    Accuracy: +49

    I'm here for y'all if you have questions.  

    Best, Steve

     

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    Solo1
    Participant
    Member
    United States
    Accuracy: +1

    Steve, well done and very through but you need to add 1 thing in my opinion and that is the measurement of the fine adj screw for your 0 setting so others could follow your exact tune.  I would say that with this anyone could now do a pretty good job of setting up their mav.

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    jasmlowe
    Participant
    Member
    United States
    Accuracy: +7

    Great work Steve! I just bought one that will be here tomorrow. Thanks for the info. 

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    Sell682
    Participant
    Member
    United States
    Accuracy: +9

    Hi Steve, I dropped another comment on Instagram and can you verify your Hades tune? At 100 bar reg I’m not sure how you are achieving those speeds. I can get there at 125 -130 Bar on the reg but not 100. Can you verify?

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    AEAC
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    Accuracy: +49

    Sell682

    Hi Steve, I dropped another comment on Instagram and can you verify your Hades tune? At 100 bar reg I’m not sure how you are achieving those speeds. I can get there at 125 -130 Bar on the reg but not 100. Can you verify?

    Hi!  Notice the gradually descending tail at the very end of the shot string?  That's an indication of a very happy and relaxed  relationship between the hammer spring tension and reg pressure.  They're both relaxed and in harmony with one another.  The tune and #s are good. 

    Regarding the 125 bar reg you've got, I'd guess that there's to much reg pressure on the valve for it to be able to open long enough & deep enough to get enough air through without the higher hammer spring setting you're using in conjunction with it.  In other words, your higher reg pressure needs more HS force to overcome and achieve the same velocity as what I got with a lower reg pressure and lower HS setting.  The take away is that by reducing reg pressure to 100 bar and by reducing HS tension a lot from where you're at now, you'll be able to find the same velocity as you're at now BUT with a longer string and more relaxed components.

    So how would I go about finding this yum-spot if I had your gun in hand?  I'd first set the reg pressures to 125/100 using either a large WIKA or Sekhmet gauge.  Then I'd back the internal micro HS tension off 6 turns (clockwise).  After that, I'd fill my bottle to 210 bar ish and keep it between 160 and 210 bar throughout this test.  Then, I'd shoot 5 times at the PW 4 setting as used in my chart and observe velocity.  If it's low, I'd increase HS tension 1/4 turn (counterclockwise) and repeat the 5 shots.  Continue this procedure again & again until your velocity matches mine at around 885 fps.  Once there, begin fine tuning the internal micro HS adjuster up and down in 1/8 turn increments then less, searching for the tightest 885 ish ES over those 5 shot tests.  You'll find that same low reg/hammer vein of gold as I did.  

    Now if for some reason you don't, it's an outdoor temperature or elevation thing.  If you're cooler than the 93-95* outside temps I am at, I'd try a 130/105 bar reg and repeat.  In other words if it's 80-85* where you're at or if you're at a higher elevation than the sea level I'm at here in Florida, it may take a tad (5-10 bar) more reg pressure.  But it may not. I'd still start at 100.

    Got it?

    Steve

     

    • This reply was modified 1 week ago by AEAC.
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    AEAC
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    Accuracy: +49

    Solo1

    Steve, well done and very through but you need to add 1 thing in my opinion and that is the measurement of the fine adj screw for your 0 setting so others could follow your exact tune.  I would say that with this anyone could now do a pretty good job of setting up their mav.

    HI Solo1. I've been trying to get people away from measuring and let the gun tell them what it wants instead.  IMHO, this is a better way to find the sweet spots and make tuning fun & easy.  Please see my explanation in my reply above and my explanation in the other stickied thread.  Hopefully it helps ya.  That's how I go about things and to me it's easier and better than measuring.

    Best, Steve 

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    Sell682
    Participant
    Member
    United States
    Accuracy: +9

    Hi Steve,

    Thank you for the advice and I got the same results as you did. FX has to really appreciate the knowledge and effort you put into this vlog as I’m sure it will help many customers.
     

    Another question does the Sekhmet provide shot to shot bar consumption. Wonder if running a lower reg and higher hammer load consumes as much air per shot as a higher reg with a lighter hammer load. Maybe negligible but just a thought. 
     

    Again appreciate your input and Kens involvement in this vlog!

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    AEAC
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    Affiliate
    United States
    Accuracy: +49

    Sell682

    Hi Steve,

    Thank you for the advice and I got the same results as you did. FX has to really appreciate the knowledge and effort you put into this vlog as I’m sure it will help many customers.
     

    Another question does the Sekhmet provide shot to shot bar consumption. Wonder if running a lower reg and higher hammer load consumes as much air per shot as a higher reg with a lighter hammer load. Maybe negligible but just a thought. 
     

    Again appreciate your input and Kens involvement in this vlog!

    Here's everything available on the Sekhmet,

    Steve

     

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    fondblanc1
    Participant
    Member
    United States
    Accuracy: +0

    Another great review! Thanks for all the time you put into doing this. 

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    balver
    Participant
    Member
    United States
    Accuracy: +1

    Steve, nice "video continuity" having your dog stand in for you with the impromptu bunghole licking, but isn't it possible that he was adjusting his rear regulator? He must have heard you say that a time or two, I reckon. You might want to teach him to spontaneously play the harmonica when he sees you move out of frame. Great video, by the way, you made it seem fairly easy to tune if one pays attention. 

     

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    d1lazarus
    Participant
    Member
    United States
    Accuracy: +2

    Do you have the printable versions of the checklist you mention at the beginning of the video?

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    AEAC
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    Accuracy: +49

    d1lazarus

    Do you have the printable versions of the checklist you mention at the beginning of the video?

    Sure.  See stickied topic here and copy & paste to your favorite app and print 👍😁

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    Airdudebro
    Participant
    Member
    United States
    Accuracy: +0

    Just got my maverick 22 snioer yesterday can't wait to try some of Steve's tunes. He really put alot into all of these tunes. Saves the end user alot of headaches.  Thanks Steve.

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    Wabbe
    Participant
    Member
    Belgium
    Accuracy: +0

    When you changed the barrel from sniper to compact you say to put the slug transfer port in the bottom. I tried it today and my speed went up 25fps. I don't have the time to fully test it but dies it improve/decrease things like shotcount and grouping? (I will test it myself if you don't know but you made me lazy with that excellent video)

    Also no vp/600mm barrel testing? At the moment i compare your sniper and compact tunes and i will try to get it somewhere in between.

    Now i got it shooting 34gr at 895fps using 120bar but seeing what others get for accuracy make me think i'm doing something wrong (2-3" group at 90m/98y)

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