I am the happy owner of a Steyr challenge HP in 5.5, the rifle is new and very beautifull.
So out of the box it gave me 45 joules with a maximum of 50 joules, very powerful and very noisy and inaccurate at both 25m and 50m.
The conclusion is that the regulator is very high.
Take it apart and take out a 0.1mm spacer into the regulator, and lower the power to a max of 44joules.
Much improved, more accurate and less noisy. Low spread.
I would like to lower the regulator a little more so that the maximum is 42 joules and with the hammer lower it to 39.
I will have to do it with the regulator screw, for the result I estimate a maximum of 1/10 of a turn.
I can get 40 shots per fill from 200 bar
I bought a Huma regulator In case I couldn't solve the issue of the regulator. .But now I'm in doubt about placing it as a double regulator or removing the inside of the original regulator plus the valve of the air tube and thus enlarging the plenum.
Jorge
So out of the box it gave me 45 joules with a maximum of 50 joules, very powerful and very noisy and inaccurate at both 25m and 50m.
The conclusion is that the regulator is very high.
Take it apart and take out a 0.1mm spacer into the regulator, and lower the power to a max of 44joules.
Much improved, more accurate and less noisy. Low spread.
I would like to lower the regulator a little more so that the maximum is 42 joules and with the hammer lower it to 39.
I will have to do it with the regulator screw, for the result I estimate a maximum of 1/10 of a turn.
I can get 40 shots per fill from 200 bar
I bought a Huma regulator In case I couldn't solve the issue of the regulator. .But now I'm in doubt about placing it as a double regulator or removing the inside of the original regulator plus the valve of the air tube and thus enlarging the plenum.
Jorge
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