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Leshiy tuning tricks

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This topic contains 55 replies, has 24 voices, and was last updated by  hoot 6 months, 4 weeks ago.

Viewing 15 posts - 1 through 15 (of 56 total)
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  • #22331

    keyser-soze
    Member

    I thought I would start a thread where everyone could share their tunes. The gun can be adjusted by just the HST but to get top shot count you should adjust the regulator to the pellet weight and HST.

    I’ll start:

    .177 10.34 grain
    250mm barrel
    290 BAR Fill
    Huma regulator
    Regulator setting 95 bar
    Max HST speed 825
    Low 760
    45 shots at 770
    37 at 805
    Best ES at 805

    #266227

    wingman-nz
    Member

    Here’s a good tune for the 250mm .25cal barrel with the Huma reg set to110Bar, 700fps with 25.4gr kings, 27 shots
    Valve fitted with valve spring spacer. 250 bar fills

    #266229

    cricket
    Member

    Keyser, what pellet weight is that?

    #266230

    keyser-soze
    Member

    oops sorry, added

    #266232

    bmd
    Member

    Why the hammer spring spacer? And how is that done?

    #266236

    mateo74
    Member

    Awesome thread! I love this gun and the ability to adjust it. Being my first pcp I am trying wrap my head around all the numbers, But in my testing this is where I have landed.

    .177 10.34g
    250mm Barrel
    Stock regulator set at 120 bar
    +10 Hsta
    Average 833 for 21 shots.
    SD 2.6
    ES 9

    #266240

    wingman-nz
    Member
    quote bmd:

    Why the hammer spring spacer? And how is that done?

    Heres a look at the “VALVE”(not hammer) spring spacer, Ed added this in the newer guns to put more tension on the valve spring which restricts the air flow in the lower pressures once off the reg and gets better efficiency and consistency with a 130bar reg setting instead of the original 110bar setting.

    Earnest calls it a “hammer spring” twice too but it is the valve return spring.

    #266245

    bmd
    Member

    Ok thank you. I was av bit confused When you said hammerspring but now I undestand :smilen:
    My huma reg is on its way so I look forward to try with that installed

    #266528

    mrv
    Member

    huma reg (135bar) .25 .250mm barrel
    -jsb king heavy mk1 221m/s.
    -grizzly 225m/s.
    -jsb(1,645g) 249m/s.

    #266529

    cricket
    Member
    quote mrv:

    huma reg (135bar) .25 .250mm barrel
    -jsb king heavy mk1 221m/s.
    -grizzly 225m/s.
    -jsb(1,645g) 249m/s.

    Shots per fill at what fill pressure?

    #266534

    mrv
    Member

    220 bar fill 7 Shots.

    #267808

    petkyp
    Member

    Hi all,

    So today I had about an hour to play with my new Leshiy… only got to play with the 250mm 0.177 barrel

    After some very usefull advice from Wingman this were the results:

    Gen2 Leshiy(with new stiffer spring)
    Huma reg set at just below 100bar
    Jsb 4.52 10.34 gr
    HST set at the 16th click from min

    I got 19 full power shots before pressure going below the reg. Pressure range 220-100 bar
    Average velocity 850fps with only 6fps extreme spread
    I think I am very satisfied with this… what you think?

    Now accuracy wise, I cannot comment since I only have 9 yards in my basement and it was one hole shots from that distance…

    #267811

    junior
    Member
    quote petkyp:

    Hi all,

    So today I had about an hour to play with my new Leshiy… only got to play with the 250mm 0.177 barrel

    After some very usefull advice from Wingman this were the results:

    Gen2 Leshiy(with new stiffer spring)
    Huma reg set at just below 100bar
    Jsb 4.52 10.34 gr
    HST set at the 16th click from min

    I got 19 full power shots before pressure going below the reg
    Average velocity 850fps with only 6fps extreme spread
    I think I am very satisfied with this… what you think?

    Now accuracy wise, I cannot comment since I only have 9 yards in my basement and it was one hole shots from that distance…

    What is the pressure range?

    #267818

    petkyp
    Member
    quote Junior:

    quote petkyp:

    Hi all,

    So today I had about an hour to play with my new Leshiy… only got to play with the 250mm 0.177 barrel

    After some very usefull advice from Wingman this were the results:

    Gen2 Leshiy(with new stiffer spring)
    Huma reg set at just below 100bar
    Jsb 4.52 10.34 gr
    HST set at the 16th click from min

    I got 19 full power shots before pressure going below the reg
    Average velocity 850fps with only 6fps extreme spread
    I think I am very satisfied with this… what you think?

    Now accuracy wise, I cannot comment since I only have 9 yards in my basement and it was one hole shots from that distance…

    What is the pressure range?

    Hi.. sorry you are right.. 220-100 bar

    #267821

    cricket
    Member

    Hi petkyp, I would say as long as you are happy with your tune, leave it there and have fun. If you don’t, someone may just tell you better results are possible and you will give up your already great tune and start all over. That’s not worth it if you are already happy with your results. So my tip is to leave it where it is and go out to do some accuracy tests. See what it can do you know? Good luck!

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