Tuning Impact X how high you can set the regulator

[Powerage]

Hi. After watching Matt Dubbers last video I decided to try his tuning method. 34 gr Javelins at 980 FPS requires about 165-170 on the reg with the slug power kit installed . This is my impact X and I remember reading somewhere that it’s not recommended to set the regulator higher than 150 . The impact X doesn’t have the latest MK2 regulator. So any advice ? 

 

[rappert]

You might consider the extra high pressure Huma regulators. They make 3 different lengths based on whether it is a Gen 1,2 or 3. People that have ran the stock regulator higher than 150 bar for a time can chime in. I have not ran mine anywhere near that with my My MK2 .30, which is pushing 45 grainers at about 921 fps with the reg. at 120 bar after I installed the power plenum. 

https://www.huma-air.com/FX-Impact

 

[Powerage]

Thank you for the reply. The Impact X is the gen 2 maybe ? 

 

[tor47]

The impact x has the same reg as the mk2. But the mk2 has bigger valve, and plenum. The original impact x does probably not have strong enough hammer spring, or weight to utilise pressure above 140-150 bar. Even the reg might go higher, you will probably loose speed doing so.

 

[Powerage]

Ok I didn’t know the reg is the same . It’s a upgraded impact X with power plenum , huma hammer spring , dual transfer port and slug power kit. 

 

[2D1C]

@ Powerage. My X has your mods as well, at pl3 i'm getting 885-900 fps 60 shots+/- @125bar. Mine, maybe like yours has a tendency to let the HST screw back out. Might look at that



Dennis

 

[Glem.Chally]

170 is the max reliable reg pressure. Honestly shouldn't need any more than that.

 

[2L8]

170 is the max reliable reg pressure. Honestly shouldn't need any more than that.

Glems answer is a reliable max pressure with a Gen2 regulator  My Gen1 Impact had the 14mm:8mm reg block capacity and was fussy with pressures above 135bar. Even with the Huma upgrade. The Impact MKI to the X had an upgraded regulator size of 16mm:8mm that offered better stability at higher pressures. Then the MKII 3rd gen reg was larger still at 16mm:10mm offering, again, better stability at all settings. 150-170bar is a reliable upper standard most X and MKII owners are comfortable with for excellent power and accuracy, YMMV. Tune your X to what you want/ need /expect and it will surely respond to your input, then adjust accordingly. Respect it and it's limitations and decide from there where to go. MKII 3G?

 

[Powerage]

The magic happens at 165- 170 bar with the slug power kit. I recommend watch Dubbers latest video

thanks for all the feedback .