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Built a pneumatic cannon? Then post it here! This section is for completed, finished cannons that you have built. Please include pictures and information.
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Unread postAuthor: reaper613 » Tue Oct 31, 2006 7:12 pm

for the love of god be carful, steam is more powerful than you think anyone who knows what happened at BCIT knows what im talking about
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Unread postAuthor: abcdefg » Wed Nov 29, 2006 4:30 pm

dry ice.... :shock: :shock: :shock:
ARE U SUICIDAL THAT CRAP CAN EASILY GO OVER 2400 PSI!!!!!!!!!!!!!!!!!!!!!!!!!!!!
:shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock:
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Unread postAuthor: PVC Arsenal 17 » Wed Nov 29, 2006 4:37 pm

it produces co2... so can't it only get to around 900 psi?
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Unread postAuthor: joannaardway » Thu Nov 30, 2006 4:39 am

It would be CO2, so about 800-900 psi.

The post about the dry ice is almost a year old, so it's no longer worth commenting on.

And don't use so many smilies - they should be used sparingly, like spices in food.
A little, and it adds to it. Too much, and it ruins it.

If in doubt, use none.
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Novacastrian: How about use whatever the heck you can get your hands on?
frankrede: Well then I guess it won't matter when you decide to drink bleach because your out of kool-aid.
...I'm sorry, but that made my year.
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Unread postAuthor: abcdefg » Wed Dec 06, 2006 6:55 pm

I ve personnaly had dry ice reach 2000 psi
and u r right about smileys :)
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Unread postAuthor: PVC Arsenal 17 » Wed Dec 06, 2006 6:59 pm

are you sure of that? How did you measure it?
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Unread postAuthor: abcdefg » Wed Dec 13, 2006 9:14 pm

shoved it in a paintball tank and my gun has a meter.
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Unread postAuthor: Stolly32123 » Sun Jul 04, 2010 8:17 am

Does that bullet go strait. im having trouble designing one that goes strait.
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Unread postAuthor: Ragnarok » Sun Jul 04, 2010 8:55 am

Stolly32123 wrote:Does that bullet go strait. im having trouble designing one that goes strait.

Word of warning, mate - it's usually considered bad form to post in old threads (and as the last post here dates from December 2006, it's an old thread) unless you have something very valid to add.

Casual questions, "OMG cooooool" and the like are usually best left.

And the answer is no, it probably doesn't fly very straight.
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Does that thing kinda look like a big cat to you?
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Unread postAuthor: jackssmirkingrevenge » Sun Jul 04, 2010 8:58 am

Ragnarok wrote:And the answer is no, it probably doesn't fly very straight.


Marbles will fly reasonably straight provided you're firing them out of a tight enough barrel...
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Unread postAuthor: jrrdw » Sun Jul 04, 2010 9:20 am

2 reasons seen to lock this:

1) Members openly complaining about kicking up old topics. Notify a moderator via PM instead of complaining about it.

2) Posting rule violations. References/discussion about "bottle bombs".
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When life gives you lemons...throw them back they suck!
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