it's actually WAHHHHHH, WAHHHHHHH, WAHHHHHHHH.... BAM!
well, here's a recoil video. it was taken around thanksgiving, before the reduced pilot volume and better piston, not to mention air horns.
here's the recoil at 25-30 psi with a concrete filled 20 oz gadorade bottle as ammunition.
(click it to watch the video)
http://s118.photobucket.com/albums/o82/ ... IM0362.flv
Oh, here's two of my usual projectiles. the smaller one is a 8-10 inch long nipple of 1/2 inch steel pipe, with a 1/2 to 1 1/2 inch reducer on it. fits very well with a couple layers of duct tape on it. it works the other way, but you get more damage with the tape.
the other is 1/2 inch pipe, about 12 inches long, going to a 1/2 to 3/4 inch adapter with a 3/4 inch coupler, then another 2-3 inch nipple, then a 3/4 inch to 1 1/2 adapter.
I just had all the parts laying around, so I made them.
I have others too.
oh, I got the air horns from my grandpa. there off an old peterbilt semi truck, and at 150 psi, they are dangerously loud (I had hearing protection, I just had to try it!)
I have a set of train horns, but they use way too many cfm's, and would bust everyone's eardrums within a 5 mile radius.
