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ThunderCactus · June 14th, 2008, 01:54

Well after some very basic quickly done math, the volume of the air tank is approx. 300 cubic inches of 60PSI air, being fed into a 2" barrel (125 cubic inch inside) via a HIGH flow valve. Although since the valve was custom built there's no telling how many gallons per minute it is, but it's a huge step forward from the 1" sprinkler valve we were using before lol
The second valve we use (the firing mechanism) was a 1" sprinkler valve, but we changed it to a 1" plastic ball valve for reliability, safe decompression of the mortar, and no longer having to depend on batteries or worrying about wiring faults or rain.

June 14th, 2008, 01:54	#86
ThunderCactus Not Eye Safe, Pretty Boy Maximus on the field take his picture! Trader rating Join Date: Feb 2007	Well after some very basic quickly done math, the volume of the air tank is approx. 300 cubic inches of 60PSI air, being fed into a 2" barrel (125 cubic inch inside) via a HIGH flow valve. Although since the valve was custom built there's no telling how many gallons per minute it is, but it's a huge step forward from the 1" sprinkler valve we were using before lol The second valve we use (the firing mechanism) was a 1" sprinkler valve, but we changed it to a 1" plastic ball valve for reliability, safe decompression of the mortar, and no longer having to depend on batteries or worrying about wiring faults or rain.