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5mm Pistol

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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5mm Pistol

Unread postAuthor: Sticky_Tape » Sat Dec 13, 2008 10:31 am

Basicly this gun is just my 5mm Marker with a blowgun pilot, a fore grip, and a ram rod holder. It gets great proformance for it's size alot better than the origional Marker Gun. Can anybody tell me if 7'' of foam penetration is good?
[youtube]http://www.youtube.com/watch?v=huD82HVPv80[/youtube]
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Attachments
005.JPG
Run
002.JPG
The gun is just 8 3/4'' long without the ramrod in place
Last edited by Sticky_Tape on Sat Dec 13, 2008 12:19 pm, edited 1 time in total.
You can tell how awesome a cannon is by the pressure used.
http://www.spudfiles.com/forums/high-pr ... 12803.html
xnt rnm ne z ahtbg
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Unread postAuthor: VH_man » Sat Dec 13, 2008 10:46 am

I liked it better as a marker gun... Oh well.

If my input is anything, I would replace the huge 1/2 inch tee you have there with a 1/4inch brass one. Minimizing pilot volume and adding to the cleanliness of the launcher. For some reason, Brass fittings always make things look nicer.

And what is that foregrip? Doesnt look too comfy. Whatever.

Anyways, I like the overall Idea. Needs work in my opinion.

And yes, that penetration is pretty good for such a small cannon.
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Unread postAuthor: Sticky_Tape » Sat Dec 13, 2008 12:15 pm

The tee is 1/4'' it is what I had on hand see there is a bushing that goes to it that is 1/2'' to 1/4''. The fore grip is for more accuracy with one hand the gun jerks when I press the blowgun due to low frontal weight but when I hold the fore grip the gun stays quite still. The grip is made out of 3/4'' poplar dowel a wood screw and a hose clamp. It is actually quite comfy it fits in my hands great like chucks. I like this gun more than I liked it as a marker because it has a trigger rather than a rod :lol: . I was actually working on a new marker gun that is 6mm that has a push button trigger which can be found on youtube I will post the link.
EDIT:[youtube]http://www.youtube.com/watch?v=45SH-XyYMZc[/youtube]
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You can tell how awesome a cannon is by the pressure used.
http://www.spudfiles.com/forums/high-pr ... 12803.html
xnt rnm ne z ahtbg
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Unread postAuthor: Gippeto » Sat Dec 13, 2008 12:31 pm

Good job Sticky! :thumbup: :thumbup:

Simple is good. :)

How much better is the performance?
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Unread postAuthor: Sticky_Tape » Sat Dec 13, 2008 12:51 pm

Well it's not too noticeable but I can tell that it is better. I did a underwater test with this thing. I had aluminum foil over the barrel and a dart in the barrel. I filled the bath tub with water and placed a water filled pop bottle that is capped at one end. I put the gun underwater at the other end and fired.The Dart flew through the water faster than I could see, passed throguh the first side of the pop bottle and stuck in the other side pretty good ehh?
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You can tell how awesome a cannon is by the pressure used.
http://www.spudfiles.com/forums/high-pr ... 12803.html
xnt rnm ne z ahtbg
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Unread postAuthor: VH_man » Sat Dec 13, 2008 2:46 pm

that tee is 1/4 inch? wow, I didnt realize how small that gun really was...

In that case, I guess you really cant do much better..... lol. And it must be fun. Tiny guns are lots of fun.

That 6mm one looks cool. Are you going to do the same thing to it or leave it as is?
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Unread postAuthor: Sticky_Tape » Sat Dec 13, 2008 3:00 pm

I am going to leave that as is. The reason why I changed the 5mm was the broken back epoxy casting and that I needed to pilot it with a rod with the 6mm you pilot it with a cap because I used a union for servicability. Unfourtunatly the back casting on the 6mm is leaking too :lol:
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Attachments
014.JPG
008.JPG
You can tell how awesome a cannon is by the pressure used.
http://www.spudfiles.com/forums/high-pr ... 12803.html
xnt rnm ne z ahtbg
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Unread postAuthor: jon_89 » Sat Dec 13, 2008 4:46 pm

What pressure are you using it at?
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Unread postAuthor: Sticky_Tape » Sat Dec 13, 2008 4:54 pm

I am useing this gun at 160 psi to 400 psi ain't too many comments yet.
EDIT: wow that sucks I bought a custom title for 1200 spud bucks and tried to change it and I clicked remove title and now I have less than 10 and no custom title
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You can tell how awesome a cannon is by the pressure used.
http://www.spudfiles.com/forums/high-pr ... 12803.html
xnt rnm ne z ahtbg
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Unread postAuthor: Ragnarok » Sat Dec 13, 2008 5:19 pm

The gun is just 8 3/4'' long without the ramrod in place

Ok, that's smaller than I thought. Actually, less than my hand span.

Not bad performance for such a small cannon either.
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Does that thing kinda look like a big cat to you?
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