WaterWar.net

Thanks again for the replies. The main reason not for using a gravity feed system was because it requires a fairly large 'hatch' to come out as fast as we would like, and this means there is a lack of control of the flow coming out. We want the retardant to come out in a fairly narrow stream as we'r...

Thanks for the links, you have no idea how much better that explains things than previous sources I've looked at!

I'll have a try with some numbers later and get back.

Right, this is going to be a strange request. Basically, for a uni project, I have to design a system which can be put on an aircraft in order to allow it to fight fires - a water gun on a larger scale! My idea is to use 2 tanks - 1 of compressed air, 1 of water/fire retardant. I'm looking for a way...