You did not lose an o ring did you? When I switched mine I severed an o ring and it was puzzling until I found that I had done so. But def adjust your valve return, the whole way to 6 and back it down until you see it drop
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You did not lose an o ring did you? When I switched mine I severed an o ring and it was puzzling until I found that I had done so. But def adjust your valve return, the whole way to 6 and back it down until you see it dropSo last weekend I installed the Huma Air dual hole transfer port + pellet&slug probe, in hopes to get a little FPS improvement. In a .30 cal I wasn't expecting huge gains, but certainly not less FPS.
View attachment 319993
Before installation I took 9 shots to compare later:
1: 842
2: 840
3: 837
4: 842
5: 835
6: 840
7: 837
8: 844
9: 842
Today I took a few quick shots, to see if there was any difference:
1: 828
2: 835
3: 830
4: 828
Shooting the same JSB 50.15 grain pellets before and after, but this was certainly not what I was expecting.
The macro is at 16, micro 3.5, valve just over the 4th line, reg pressure at 110 bar. Now I was hoping the Huma set was giving me a little extra FPS and work my way up from there. Always took JSB pellets as my baseline tune, I do have some JSB Knockout slugs laying around.
Should I adjust the valve and up the reg pressure from 110bar as the Huma parts will get more efficient that way? Not sure where to go from here or why I've gotten less FPS.