Big Spud Gun

[OwThatsMyEye]

Here is one of my other cannons. It's just your basic piston cannon with all the pins and buttons you would expect. It's about 9' long total with a 7'X2" barell. Pegs off of bikes are my favorit ammo for it.

[Spudman_42]

Nice, it looks cool. 8)

[Bluetooth]

Really short barrel. But still really cool cannon.

[benstern]

No, it has a long barrel. It is a coaxel valve!

[djt]

coaxils are sweet. nice cannon. whats the piston made out of?

[SpudStuff]

damn thats big. thoes pegs must be very destructive. i dropped on on my bear foot once and it hurt

[OwThatsMyEye]

coaxils are sweet. nice cannon. whats the piston made out of?

i used a 3" coupling capped on both ends with a neaprene flap in the front.

[djt]

dang sounds like one heav piston. sounds like it works good though

[SpudStuff]

all the 3" couplers from stores around my house are crappy and are way too small on one side and way too big on the other side

[noname]

Yep 7' sure is a short barrel. Jeez that thing is huge. You should weigh it.

[PVC Arsenal 17]

does the 3" cap fit trough a 4" female so the piston can be removed?

[boilingleadbath]

PVC arsenal: yes, it can be removed. The ID of the threads on a 4" female are ~4.3" diameter.

[sam_516]

i made a coaxil but i didnt have a piston i used 4mm thick (i think) and just left about 10mm gap between it and the end cap and it never leaked and the best thing about it was i only had to fill it up i one spot through the end cap