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  1. bigHUN

    FX FX DRS with low velocity first shot! What should I check?

    Last time I was playing with tungsten hammer my impression was the Reg shall be 160 and higher maybe about 180 ??? Ended up removing it and back to stock weights with a 140 bar. Last week I noticed that my Reg started creeping, last time was more then two years ago I service it. Kind a lazy to...
  2. bigHUN

    EDgun Leashiy2 custom puck - length

    I show you my own view for things based on many thousands of pellets shot searching for magic that suits my brain. No two setups and tunes the same, you can start wherever you wish.
  3. bigHUN

    Shortening barrel, accuracy effect?

    In past years I collected some custom barrels (3 actually), all these were shooting well. But once (many months later) I pushed a new scope camera inside just out of curiosity I discovered the scratch marks from a crowning tool. That made me so nervous I could not stand that longer, toke the...
  4. bigHUN

    Sorting pellets by viewing

    Most of the issues you already pinpointed. Machining the die two half's shall be identical, fine polishing the cavities and no misalignment when the tool is closed. The Temp during the swagging process and the press force to squeeze out any internal bubbles...and the die will wear out sooner or...
  5. bigHUN

    Functional crown dynamics

    Create a particles cloud around the barrel crown, like dense smoke or mist and shoot through that medium. I am interested to see the details what is happening with the pellet skirt and around it ...
  6. bigHUN

    EDgun Mysterious Leshiy 2 Externally Adjustable Regulator

    What I am finding fascinating, that many people think money can buy them everything. Dady had enough chunk of cash and got a Bentley (or Ferrari or Corvette or Ducati whatever) and expects it to work flawless for he's ideas. And btw ended up ditching it right after a first corner. Just sayin...
  7. bigHUN

    One Piece vs Two Piece...the tale of the tape.

    In my gun club I am randomly shooting @ four different ranges (50 to 100 meter distances) and I have an issue with constantly changing and levelling between the bench heights in relation to target. Some steel welded with wood plates and some wood made, the levelling all different. Definitely not...
  8. bigHUN

    Dimensions of Copper pipe used in 12v pcp compressor.

    For a PCP compressor you shall use stainless steel tubing also the beads and fittings. I don't think a copper tube can survive the pressure.
  9. bigHUN

    FX FX POI shift - tips

    This is my way how I eliminated or minimized couple of issues some people still noticing or experiencing today. What I did was a progress through past 2-3 years and not a single afternoon brainstorming, may help some people next time doing a surgery on Impact variants. Lets start with...
  10. bigHUN

    FX FX POI Shift : SOLVED ?

    Later tonight I will open a new thread about "how to" eliminate the FX POI. Right now don't feel like it still sunny and about 22C, but for tonight I will make some pictures. A concept is clear as a mud, be ready for some elbow grease :)
  11. bigHUN

    Microscope pictures of ZAN BR100 30 Cal 56 Grain Pellet and ZAN .30 Cal 45.5 Grain Slug

    Those rough outer edges below the skirt have a same effect as a bad crown on the muzzle end.
  12. bigHUN

    What Red Dot scope is your favorite and why.

    Sig Sauer Romeo7 and Juliet 6 combo, a second week I gave it back to a dealer and waited next seven months for my money. It was mounted on my Impact MK2. The below tried on my Leshiy2 Romeo 5 variant, returned to a store. One more returned can't remember the Brand but it wasn't cheep. Since then...
  13. bigHUN

    FX FX POI Shift : SOLVED ?

    I wrap the "jamb nut" with Teflon tape just the length that will be hidden inside the barrel when tightened. Never comes loose.
  14. bigHUN

    Looking for diy ideas - adjustable rear rest

    My new PQP rear rest is in the mail, ETA June 6th. Ver 1 narrow fit.
  15. bigHUN

    Filling an outdated carbon fiber/aluminum SCBA bottle

    I have four out of date firemen 147cc scba, got these from firestation-government auction sale somewhere back in 2018 for $150 total. The last testing was done between 05 and 07 on these according to stickers. At least two of these tanks full to 280 ish any time of a day/month and storing all...
  16. bigHUN

    .177 a 600mm or 700mm barrel and why?

    I was in your position couple years ago and this where I ended today with .22 and .25 ;)
  17. bigHUN

    How much water is ok

    When I noticed a new Impact MK2 just started behaving weird after 2-3 months of shooting I removed the Reg. Here is a pic how it look like when using a simple cotton filter. Immediately got a water/oil removing - orange towers and permanently mounted to my YH ... At my place is high moisture in...
  18. bigHUN

    Filling SCBA

    Pictures of connections in your setup? We cannot assume do you have any bleed valve...
  19. bigHUN

    EDgun Leashiy2 custom puck - length

    no, I said start with 2x0.7 or 0.7+0.8 jets and a Reg @ 80 measure your speed + watch the group size @ 50 and with raising the Reg you target your speed where you want to land if you over do the Reg the group size will suffer - you don't want a wast of air to unstabilize the pellet at the muzzle
  20. bigHUN

    .25 pellet resizing

    First step, push the pellet into barrel rifling half way and from other muzzle end push it back out; Second step, push that same pellet through your pellet sizer; Third step, use a jewellery lupe and inspect the pellet paying attention to the head. Any rifling marks remaining on the ring made by...