but since im soldering/welding copper, it heats up very quickly and needs to be hot for the solder to stick.

but i will try your JB Kwik/Weld if it is good as you say it is.

thanks for the tip -- sthorne

oh, o-k. thanks... will do

thanks for the help Lentamentalisk and ALIHISGREAT.

Really appreciate it

Lentamentalisk:

I would upgrade to a QEV if I were you

whats QEV?



oops, sorry bout double post

problem is, i already tried epoxy and it works for like 3 shots, then all you hear is ppssssssshhhhhhhhh

any other ideas?

I made this little copper beauty about 8 months ago (with the help of my dad) from some salvaged copper pipe from an old bath tub. Im still debating whether to solder the cap with the tire valve or not because i am not sure if the rubber on the valve would shrink.... so i can only get it to about 60...

OK. I figured out how to post the pictures despite my slow internet connection. Thanks for all the help: Novacastrian Carlman bluerussetboy I have plenty more cannons i am working on to post pictures and stories for, and now that i know how, you will be able to see them all! thanks again pplz, sthorne

nah, its wifi so idk y its sucha crappy connection but w/e. the pics are about 475-500kb each idk, im kinda tired and need to get up early so ill try again in the morning. ill try on a diff computer with a direct connection, this one is wireless so it's unpredictable. can ya tell this is my first ti...

Are you trying to upload from your computer or an external server iePhotobucket? from my computer and i am using the spudfiles upload tool but when i do, it takes too long to upload and after like 3 mins the server logs me out, then i have to start over idk, i think its result from a bad internet c...

I just made this tonight because was bored and needed something i could shoot in the house (freakin -20 degrees outside) and found some stuff around the house. for materials, i used: *1 large pill bottle (with child proof seal) *1 casing from a bic pen *1 handle from a toy gun *1 long nose lighter (...

yeah.. videos please

looks kewl, but im still puzzled by how it works. could you please explain a little more?


EDIT: thanks for postin the vid, i understand now.....

thanks -- sthorne

nice job for your first steel. I like the spark gap set up, like isomer said.

Its such a massive, heavy-duty cannon......it's ungodly.

also, did you salvage the steel pipe? looks used lol.

wow, very nice job.. very clean and nice, compact set up. one of my favorite guns for reference now lol. i'm definitely book-marking this page! one question though.... how did you set up the circuit board for the spark gaps? I've been trying to make the same concept but its unpredictable and only wo...

pretty cool, nice job on the outside of the combustion chamber (with the paint and military look).

also, whats that green light on the top for?

I havent seen duodec in a couple of months........