Pneumatic Pen-gun Project

[qyuubi786]

Will it help if the neoprene is more rough (causes more friction when I rub my finger against it)?

[jackssmirkingrevenge]

if the neoprene has a rough side and a smooth side, the smooth side should be the one which touches the breech.

[iloveairguns]

didn't check if anyone already asked this (i know, i know...) but what material are muzzle and breech parts, i mean the silver color parts glued to the barrel? also sorry if im posting on some old topic.

[jackssmirkingrevenge]

Aluminium, but I've had good results simply wrapping masking tape around the barrel and gluing the whole thing with araldite:

http://www.spudfiles.com/forums/mini-0- ... 20101.html





Good for 800 psi at least

[iloveairguns]

800 psi i wouldn't have thought a coax could do that but doesn't it already need a very rigid material for the chamber

[jackssmirkingrevenge]

It's all about the ratio of diameter to wall thickness. An 80mm brass pipe with 0.5mm walls will bulge like a balloon if you put 800 psi into it, and 8mm brass pìpe with the same wall thickness on the other hand will handle it safely, having a diameter:wall thickness ration ten times higher.

[iloveairguns]

ok didnt even know dat

[iloveairguns]

and why are the pictures deleted

[jackssmirkingrevenge]

they were on my photobucket account, i had deleted a bunch of stuff.

here:

[iloveairguns]

what else than masking tape could be used to make the cap to the end of the chamber

[jackssmirkingrevenge]

I'm sorry, masking tape is really easy... if that is too much for you then maybe you shouldn't be making it...