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Simple Pneumatic

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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Simple Pneumatic

Unread postAuthor: PCGUY » Mon Jan 31, 2005 12:49 am

<div align="center">SIMPLE PNEUMATIC

Provided By - DR

Here is my Burst-Disc Launcher. This Chamber will be modified to run on a 2x mix of propane and 15psi of compressed air (which is held back by a burst-disc). You can fire this is a simple pneumatic, as a regular combustion, or as a Hybrid when completed. Future plans on modification to the Chamber will include spark plugs tapped into it.

There is a male 1/4NPT quick-disconnect in the end cap, a Chamber, a Union, a Burst-disc, and the barrel.-- No valve, no restriction, just 130-150psi out of any barrel.

Provided By - DR</div>
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Last edited by PCGUY on Tue May 02, 2006 11:33 am, edited 1 time in total.
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Unread postAuthor: syco kilaa » Mon Jan 31, 2005 3:11 pm

Do you have a pressure guage on that thing? if not then how high do you know the pressure goes before the disk is "burstified"??
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Unread postAuthor: theexp » Mon Jan 31, 2005 7:01 pm

I like how it has so many capabilaties, like a 4 in one, just mount a bbmg on top, then a 5 in one. What do you use for a burst disk? Soda plastic?
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Unread postAuthor: joemama » Sat Oct 22, 2005 12:32 pm

a DR what type of dirt bike is that
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Unread postAuthor: CS » Sun Oct 23, 2005 1:42 am

What are you talking about his username is DR but I dont know how you came up thinking his dirt bike was a "DR".
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Unread postAuthor: TalonXxX » Sun Oct 23, 2005 2:40 am

i think he was refering to the dirt bike in the pics :lol:
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Unread postAuthor: joemama » Sun Oct 23, 2005 5:54 pm

i ment DR as the name of the dude (look it says Provided By - DR)
and then i siad nice dirt bike it was luck tha they were abreverations EDIT: LOL :lol:
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Last edited by joemama on Sun Oct 23, 2005 6:26 pm, edited 1 time in total.

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Unread postAuthor: drac » Sun Oct 23, 2005 6:08 pm

Choice rephrasing would translate to:
DR, what kind of dirt bike is that?


Maybe that clears things up.
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Unread postAuthor: ƒlying$pud » Fri Nov 04, 2005 12:50 am

Is the grey m/f adapters just grey pvc or something else?
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Unread postAuthor: taterjim » Fri Nov 04, 2005 8:42 pm

What you a re doing here is similar to what I've been doing with my latest cannon. I use a 3 1/2 oz drinking cup stuffed at the barrel end of the combustion chamber , add extra fuel ,add air through a tire valve in the end cap . and then kaboom , sends a 2" spud up to a 1000 ft. I hav e about a 17" chamber with a 60" by 2" barrel. I also have a 60" by 1 1/2 " barrel. by using the cup ,extra fuel and air , they shoot about the same distance . I have a stun gun that just c ame in today but I am hessitant to install it because it will be harder to put the cup in place and I seem to get comlete combustion anyway as it creates a very thick smoke in the chamber after firing. I may have to use the stun gun in one of my smaller c annons.
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