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my first coaxial

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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my first coaxial

Unread postAuthor: trae08 » Thu Aug 02, 2007 11:35 am

ok this is my very first coaxial i ever made.

im going to paint it so dont tell me i need to. ( im sure yall will anyway tho)
it has a 4 inch chamber and a 3/4 inch barrell the diaphragm is made with a rubber end cap you get at home depot. i shoot mostly paintballs and 12 gram co2 cylinderes.

i have a little leak around the cleanout plug. but im working on trying to fix it. id post a pic of my diaphragm but i cant get the end cap off


also you can see thee setup i use for taking my gun to the beach and using paintball tanks. i use hpa so no chance of super cold air bursting my gun.

Image

Image

Image




edit:::

new pics

ok i tried to fix the leak again and finally got the plug out. so heres some pics of the diaphragm and the inside of the gun..

Image

Image

Image

Image
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Last edited by trae08 on Thu Aug 02, 2007 8:46 pm, edited 1 time in total.
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Unread postAuthor: noname » Thu Aug 02, 2007 11:46 am

That is one funky gun! Bet it shoots pretty hard with that big of a chamber and that small of a barrel though.
THe cleanout isn't pressure rated; try to find a threaded nsf-PW plug.
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Unread postAuthor: spud yeti » Thu Aug 02, 2007 11:48 am

That looks like a really cool co axial. It must have been a mission building the piston, whats it made of? Are you able to service the piston though?
Good work
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really good quote/phrase here
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Unread postAuthor: trae08 » Thu Aug 02, 2007 11:50 am

thanks and nope that thing is stuck in there and its impossible to get it unscrewed. yea if i find a pressure rated on i might reduce it. thanks for the positive feed back. ill try and get a video up when i get home from work
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Marvin the Martian: Where's the kaboom? There was supposed to be an earth-shattering kaboom!

Marvin the Martian: The Earth? Oh, the Earth will be gone in just a few seconds.

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Unread postAuthor: spud yeti » Thu Aug 02, 2007 11:52 am

My questionstill stands as to what the piston was made of though.
BTW, video sounds good to me :lol:
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Unread postAuthor: trae08 » Thu Aug 02, 2007 11:57 am

oh my bad.. no it was really simple. not a mission at all. i took one of these and cut the sides off so its just a rubber disk.. works like a charm...

Image
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Marvin the Martian: Where's the kaboom? There was supposed to be an earth-shattering kaboom!

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Unread postAuthor: spud yeti » Thu Aug 02, 2007 12:01 pm

That looks really good.
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Unread postAuthor: trae08 » Thu Aug 02, 2007 3:54 pm

yea it works really good, i cant take a video right now cause its pouring rain outside and all i got to shoot at the moment is paintballs so if i took a video of that it dosnt show much sence paintballs just splatter anyway. but if you want a video of me shooting paintballs then say so and i will. but it works really good.
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Marvin the Martian: Where's the kaboom? There was supposed to be an earth-shattering kaboom!

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PCGUY wrote:Congrats, your the first donating member I have had to ban.
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Unread postAuthor: e1337 » Thu Aug 02, 2007 5:39 pm

Post vids! And where did you get the pressure gauge?

-e1337
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Unread postAuthor: turbohacker » Thu Aug 02, 2007 6:31 pm

very cool,
now you just need a handle w/ trigger and a breech load so it will be like a semi auto paintball gun!
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If it walks like a dog, sratches like a dog, and barks like a dog, than its probobly a...-TURTLE, it's a TURTLE!!! Cant you see?!!!

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Unread postAuthor: trae08 » Thu Aug 02, 2007 7:39 pm

whats a good video host? i got 3 videos but dunno where to host them.
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Marvin the Martian: Where's the kaboom? There was supposed to be an earth-shattering kaboom!

Marvin the Martian: The Earth? Oh, the Earth will be gone in just a few seconds.

PCGUY wrote:Congrats, your the first donating member I have had to ban.
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Unread postAuthor: Hailfire753 » Thu Aug 02, 2007 7:58 pm

Google video is nice. I use it for my vids. Good quality, 100 mb file size.

Also, it is really easy to sign up. Or, youtube (I bet you already thought of that one), although I have not used it.
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UPDATED MARCH '08
field-legal paintball semi
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Unread postAuthor: trae08 » Thu Aug 02, 2007 8:13 pm

ok i finally got it. heres 3 videos. the first and longest one is just of 3-4 bolts and then a bunch of paintball shots. the second video is me shooting 12 gram co2 cylenders but on the second shot my quick disconnect slipped and i misfired. the 3rd movie is just a bunch of paintballs loaded into the barrell.

all these shots are about 10-12 feet away.





<a href="http://img531.imageshack.us/my.php?image=newspudgun019op5.flv"><img src="http://img531.imageshack.us/img531/686/newspudgun019op5.flv.th.jpg"></a>

<a href="http://img531.imageshack.us/my.php?image=newspudgun020le1.flv"><img src="http://img531.imageshack.us/img531/8165/newspudgun020le1.flv.th.jpg"></a>

<a href="http://img532.imageshack.us/my.php?image=newspudgun025fx3.flv"><img src="http://img532.imageshack.us/img532/7558/newspudgun025fx3.flv.th.jpg"></a>
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Marvin the Martian: Where's the kaboom? There was supposed to be an earth-shattering kaboom!

Marvin the Martian: The Earth? Oh, the Earth will be gone in just a few seconds.

PCGUY wrote:Congrats, your the first donating member I have had to ban.
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Unread postAuthor: sharpshooter » Thu Aug 02, 2007 9:31 pm

did u just shoot the thingy that covers your spare tire? Doesnt sound like the smartest thing if u ask me
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Unread postAuthor: dongfang » Fri Aug 03, 2007 4:06 am

Wow!

The world´s first reusable bomb (with that barrel).

Regards
Soren
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