Yup thats right, I've made all three. The Sprinkler Cannon was the easiest and most affordable to get working, and of course worked first time round with great results. The QEV Cannon was a little more tricky because of all the threaded connections, but ended up working very well indeed. The Piston ...

i Thing duel 2' sprinklers would be more than enough fro even a 4' barrel I don't think that they make 2ft sprinkler valves. I think two 2" sprinkler valves will do it, I've got one and the power is incredible, you could pilot them both with a 1inch version. are you saying duel 2" sprinkler valves ...

If you look in the PCP section (if they have one..) then there should be some longer ones with threaded ends.

How are you getting 6 shots out of your current pneumatic, is it posted on the forum? yea dunno i was still looking for a single shot that you dont have to refill all the time Well if you're going to reload the ammo, then you might aswell refill the chamber, it shouldn't take more than about 30 seco...

What are you planning on making all of this from?

Are you a paraplegic? Making a spudgun for shooting snowballs seems practically useless, it'll take the fun away because you'll be the only person with one. Chances are in favor of something going wrong and when it does, you'll wish you had just thrown the snowball with your own bloody arms. Using a...

mopherman wrote:i Thing duel 2' sprinklers would be more than enough fro even a 4' barrel

I don't think that they make 2ft sprinkler valves.
I think two 2" sprinkler valves will do it, I've got one and the power is incredible, you could pilot them both with a 1inch version.

Ive nevr seen that design in a coaxial before, its brilliant!

Yup, this one certainly was a bitch to make work properly, its so very annoying because it would work, then it would stop working, then it would work, then stop working for no apparant reason. Fixed that problem, the washer was getting caught on the edge of the 22mm pipe inside the reducer tee. So y...

What? Come again..

Fair enough, then the best way to powderise aluminium is in a coffee blender, but dont do it too often, and dont make coffe in it afterwards. Pestle and mortar doesnt work, if all else fails, stick the shavings in a cylinder with some ball bearings and shake it for all youre worth, its better than n...

I used to make and ignite thermite, must have done it a billion times because my friends like the molten iron. My Al was 600mesh and my Iron Oxide III was very finely powdered also, use a sparkler, not magnesium ribbon, its beyond crap for lighting thermite, the ribbon will either light then go out ...

You're still going to have to reload it with ammunition each time, so you might aswell just have one large chamber.

I thought this had been brought up before, the liquid pilot volume. Getting it to seal well would be difficult under pressure though.

jackssmirkingrevenge wrote:

MaxuS wrote:I use one to pump up my PCP Air Rifle

Out of interest, what rifle is it, and legal limit or FAC?

Yeah, it is an Air Arms S410K, and the magazine is always a bit of a bugger, its smack on the legal limit at the moment. Although I am applying for an FAC, already have my Shotgun Certificate