Hi Guys , I'm a Turkish and don't speak english(I know little). •I have a 1KG Fire Extinguisher. •I want to make that's like: http://i.imgur.com/3vJVIgd.jpg (This Photo From http://www.spudfiles.com/pneumatic-cannon-database/topic26107.html ) •I want to use Slide Valve and Schrader Valve. •I want t...