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some pneumatic cannons...

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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some pneumatic cannons...

Unread postAuthor: Kiwi » Mon Jan 21, 2008 5:51 pm

I made 3 pneumatics cannons (+ a lego pneumatic cannon...^^)

2 cannons with a coca-cola bottle...:

(the first was destroyed...)

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I upgarded it, but I have no pictures...;)
New Upgrade!: a Home maide QEV

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and a multi-shot pneumatic cannon, but I have a problem with the piston...:

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the ammo:
home maide aluminium bullets (8mm)
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Last edited by Kiwi on Wed Jan 23, 2008 2:00 pm, edited 1 time in total.

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Unread postAuthor: MrCrowley » Mon Jan 21, 2008 5:58 pm

Wow very nice, we could help you with the piston problem if it still hasn't been fixed.

Love the custom ammo too, it looks great.
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Unread postAuthor: Kiwi » Mon Jan 21, 2008 6:08 pm

the problem of pistion is owed has an escape which is going to be repaired (Voila.fr traduction...:P)

It take me 25-30 minutes to make 1 bullet...


and I can unscrew everything to work inside
;)
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Unread postAuthor: Hotwired » Mon Jan 21, 2008 7:04 pm

The bullets look very nice.

They will tumble in the air because the barrel is not rifled but if you put a feathered tail on them it would keep them facing forwards after firing.

How do you make the second cannon do multiple shots?

By the way, when you said "escape", the word "leak" would be better.

I'm not complaining, your english is better than my french :wink:
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Unread postAuthor: noob of noobs » Mon Jan 21, 2008 8:03 pm

Dude, those bullets are sweet... Do you have a lathe? On the topic of the accuracy of them, you could skipp the fletching and such and instead have a light tail on it's back. Just a suggestion.
I too am curious as to how you get multiple shots on a piston valve. Also, does the piston valve one breach load?
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Unread postAuthor: Kiwi » Tue Jan 22, 2008 1:37 am

There are in fact 2 chambers of compression: a big Coca-Cola bottle (1,5l), in the which I put the compressed air, and an aluminium tube around the cannon.
I fill first the Bottle, than I open the bottle valve, and close it...


I shall like to make slits on my bullets, but the diamond disc of my dremel is broken ...:s

I made this bullet with a drill with column which st too slow (2580 t/min maximum...)

I have videos with the coca cola pneumatic canon...I will post it later...
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Unread postAuthor: Novacastrian » Tue Jan 22, 2008 1:47 am

Kiwi wrote:There are in fact 2 chambers of compression: a big Coca-Cola bottle (1,5l), in the which I put the compressed air, and an aluminium tube around the cannon.
I fill first the Bottle, than I open the bottle valve, and close it...
Nice work Kiwi- very nice.
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Unread postAuthor: psycix » Tue Jan 22, 2008 6:30 am

I like the paint job on the 2nd one :D
How did you make that ammo? Its AWESOME!
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Unread postAuthor: Kiwi » Tue Jan 22, 2008 6:48 am

I turned it with my drill...:d

very long, but like perfect for me...;)
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Unread postAuthor: brogdenlaxmiddie » Tue Jan 22, 2008 8:01 am

Bonjour Kiwi! Etes-vous français?
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Unread postAuthor: Kiwi » Tue Jan 22, 2008 8:05 am

Oui, exactement...:P

(ma présentation:
http://www.spudfiles.com/forums/french- ... 12811.html )
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Unread postAuthor: RedAplle » Tue Jan 22, 2008 8:17 am

Eheh Kiwi :D.
Comment ça va ?
Jolie ton airgun ^^.

brogdenlaxmiddie, tu es français aussi ? :P
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Unread postAuthor: Hotwired » Tue Jan 22, 2008 9:22 am

En anglais svp :P
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Unread postAuthor: RedAplle » Tue Jan 22, 2008 9:38 am

Ahahah ok no problem :P.
So :

"Eheh Kiwi .
Comment ça va ?
Jolie ton airgun ^^.

brogdenlaxmiddie, tu es français aussi ?
"

=

Eheh Kiwi.
How are you ?
Your airgun is nice

brogdenlaxmiddie, are you french too ?

ahahah
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Unread postAuthor: jackssmirkingrevenge » Tue Jan 22, 2008 9:46 am

brogdenlaxmiddie, tu es français aussi ?


brogdenlaxmiddie, are you a French Australian?

:D

Quite an influx of French speakers here of late, interesting.
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