Slider Collapseable

[quiggly17]

this is my new work in progress i call it the slider the chamber collapses in the barrel like a m72a1 law


the gun collapsed


the gun extended


the gun has a 2in barrel it will be powered by 12 gram co2 i still have to work out a few things but the slide works and the slide lock ill post more pics later

[jrrdw]

How do you keep the slip joint from leaking once the barrel is extended? Some kind of compression flare???

[Hubb]

How do you keep the slip joint from leaking once the barrel is extended? Some kind of compression flare???

Wondering the same. BTW, if it works, it will definitely be a piece of work. Looks good so far.

[Hotwired]

O-rings and enough contact area to prevent excessive wobble which might lift the rings and cause a leak should keep the seal.

Looking good.

I sketched up a collapseable combustion design a while back which can be even simpler as the projectile seals the barrel from the chamber so it's essentially what you have there minus the ball valve and plus a couple of wires and a screw cap.

[bigbob12345]

that is awsome how much power does it get and got any specs

Edit: your chamber pipe is dwv and should not be used above 60psi