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M.H.I.S sawn-off.

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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M.H.I.S sawn-off.

Unread postAuthor: rna_duelers » Fri Dec 01, 2006 5:15 pm

This is my newest arival to my arsenal of cannons and well its very small as you can see and packs quite a punch.

The unit sports a 25mm modded sprinkler valve,soda bottle chamber,ABS 20mm T with schrader fill valve last but not least it has a 20mm brass barrel coming in at a whopping 150mm!!

I shoot mainly shot gun pellets with papper or cloth wadding and they dont have a very long rang use,but up close its devistating.

Enjoy!!
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Attachments
sawn2.JPG
Looking down the barrel around my house.
sawn3.JPG
The filling point and chamber.
sawn1.JPG
A top view of the sawn off.
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Unread postAuthor: schmanman » Fri Dec 01, 2006 5:21 pm

looks fun. did you throw it together from stuff you have laying around?
I don't mean it looks bad, I just am wondering if you already had all the stuff.
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Unread postAuthor: PVC Arsenal 17 » Fri Dec 01, 2006 5:21 pm

Looks cool. I like it.
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Unread postAuthor: rna_duelers » Fri Dec 01, 2006 5:27 pm

Yes i did have most of the stuff lying around,well i think all of it.Its pritty fun to use marbles are alos fun to shoot they go about 100 meters :) and have the peneration of a foam ball.
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Unread postAuthor: schmanman » Fri Dec 01, 2006 5:30 pm

yeah, marbles would be fun. do you mean it penetrates like you are shooting a foam ball as ammo, or you can shoot through a foam ball?
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Unread postAuthor: experament_u2 » Sat Dec 02, 2006 3:15 am

that is my type of gun compact and fun
u should put some damage pics up
very nice gun john
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Unread postAuthor: Angel-FR » Sat Dec 02, 2006 6:12 am

really nice compact gun
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Unread postAuthor: rna_duelers » Sat Dec 02, 2006 7:51 pm

I do mean they have the energy and power of a foam ball AKA not very dangerous or destructive.

I will get some damage pics up of the marbles and shot gun pellets soon.Got to wait till mum goes,she doesnt like the shot gun pellets going everywere.
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Unread postAuthor: jrrdw » Sat Dec 02, 2006 8:52 pm

What kinda air pump you useing?
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Unread postAuthor: killagorrila99 » Tue Dec 05, 2006 5:31 am

Wow rna, Sweet as gun. I want one 8)
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Unread postAuthor: spit_spud » Wed Dec 20, 2006 12:14 pm

using a soda bottle how much psi can it handle? isn't it around 60 only? am i right? id like to try it but it may explode.... :?: :?: :?:
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Unread postAuthor: rna_duelers » Thu Dec 21, 2006 5:34 am

Try around the 150psi+ before it wall integrity is compromised and a blow-out or explosion occurs.

I have used soda bottles for years and only ever had one blow-out,which was a large 2.25 letre bottle.I regularly take this bottle to 120psi and other bottles to the same pressure but I would sway away from the larger bottles just for safty reasons.

To my own experience the bottles tend to rip and crack rather then explode.But there is quite alot of energy I wouldnt want a bottle exploding near my face or close to my genetals(hehe).
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Unread postAuthor: )DEMON( » Thu Dec 21, 2006 7:18 am

I am not sure anyone wants something exploding close to their genitals, um, I mean face. Nice cannon.
If I were you I would regularly change that soda bottle for a new one, the old one might give in eventually.

If that ripped with 120psi of pressure I am sure it could give you a very bad cut.
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Unread postAuthor: ProfessorAmadeus » Thu Dec 21, 2006 9:33 am

Yeah. I dont wont a cut up scrotom... I mean face...
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Unread postAuthor: rna_duelers » Sat Dec 23, 2006 5:28 am

Actualy it hit my hand and was close to my face it did hurt a little but nothing like a kick to the family jewels :lol: which does hurt :cry: :cry:
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