Untitled.png So I built a fairly well made counter balanced valve. Exhaust 7mm diameter with 9mm piston. Then I compared it to a conventional hammer valve with 6mm exhaust diameter and a shaft of 4mm. Turns out the balanced valve was weaker. My hypothesis is once the valve is cracked open, the pres...

Thanks.
Got bored so I decided to make a mono core internal for my M4's suppressor.
Everything went smooth, also it's much better than the spring+sponge internal as the original I'm very proud of it

Man seeing your MS paint dagrams almost brought me tears, it's good to see the forum is still alive and you're still here Jack!

Been a while since I was into PCPs, now I see things like selective fire PCPs shooting pellets instead of just 4.5mm steel BBs.https://www.youtube.com/watch?v=eBvs8Wvu0yg
Is this just iterations of the Huben full auto PCP? Hows the main mechanism work?