This is interesting. So one could assemble the whole thing with screwin fittings? How would you add the tyre air valve? It would need to be still attached to a bored hole? Would aluminium hold up as well under pressure? It would be more corrosion resistant to sea water?? What type of valve would sti...

So how do I go about getting a steel chamber made? Are there commercially available ones? Would I need all steel design?

Hi There. Thank you for your reply. Sorry to ask, but what is a QEV? A steel tank? That sounds cool, but won’t it rust with salt water on the beach? What would be the highest pressure capacity vessel you could build from PVC? Wouldn’t all the parts including valve need to be rated same to ensure not...

Hi Gang. I am interested in building a compact phenumatic bait launcher that I can use for launching while pilchards/sardines on ganged hooks from the beach. Ideally I would like to get as much distance as possible, with the smallest design (handheld) that is easily carried through the bush to the b...