Yes, there is a good bit going on there. I think (just my opinion) it might be better to try it with a bit of separation of function as it will be easier to troubleshoot. Propellant air/gas pulses can be delivered many different ways; hammer valve, piston valve, sprinkler valve etc. You've included ...

I used a feed/fire mechanism sorta kinda like that on a proof of concept BB MG. I went with a more modular approach. I used a chamber, piston, nozzle and spring assembly but released propellant air with a separate mechanism. Mine fed propellant air upstream of the piston/nozzle assembly with a retur...

Hello, I've been swinging by here for a fair number of years to see what's shakin' from time to time and working on some bbmg ideas that have been rattling in my gourd. I've recently signed on to present one of them here to see how it strikes you all. https://youtu.be/PtMkuVCu1pg I have more content...