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SVD Pneumunov

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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SVD Pneumunov

Unread postAuthor: joe blogs » Mon Apr 30, 2007 6:09 am

SVD Pneumunov

This is my best gun to date. It’s cheap and accurate plus very robust because of the general design and doesn’t have many parts just like the gun I based it on, the svd dragunov. Without much further ado here’s the spec’s.

Specs
Barrel: .22 calibre gun barrel or a 16mm marble barrel
Trigger release: spring actuated button system
Bolt action Breech: Metal pipe with handle
Valve: 19 mm ball valve
Pressure vessel: 29mm pvc pressure pipe
Pressure inlet: 250 psi threaded Schrader valve
Ammo: .22 lead bullets, .22 Air gun pellets, 25cm long nails and 16 mm marbles/ball bearings
Operating pressure: 160 psi

Aiming
A Tasco 3-9*56 scope tuned in with a laser mounted on the barrel

Add ons

A pressure bleeding silencer.
A interchangeable barrel that fits marbles.

Barrel length=58 cm
Stock length=72cm
Overall length=98cm

Other info • The air gun pellets fire a around 620 fps
• The Schrader valve is tap and dyed into one of the copper elbows.


my creation


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With silencer attached

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Business end

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Breech open

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The button system

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My first stab in the dark at 3D modelling.

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The Pneumunov stripped down.

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My tropical backyard (perfect breeding ground for damn rabbits)

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My beautiful scope

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My gun compared to a .303 bolt action (not bad huh)

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Cocking the gun

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Demolishing a christmas teady bear

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Side on view

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Shooting a box (updated new one with my mum nagging in the background and the box falling down because i used nails instead marbles)

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-=EDIT=- I fixed the pump =D

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Last edited by joe blogs on Sat May 05, 2007 3:22 am, edited 3 times in total.
"The object of war is not to die for your country but to make the other bastard die for his" General S Patton
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Unread postAuthor: spudthug » Mon Apr 30, 2007 8:56 pm

niceness dude... although i am disliking the idea of people using ball valves on some gun that has the optential to atleast have a sprinkler..
anyway it is awesome i lurve it!!
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4" piston valved cannon-half done..( i spilt my cement...)

Hybrid- 75% done. need to build propane holder and drill/tap sparkplug hole..
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Unread postAuthor: jackssmirkingrevenge » Mon Apr 30, 2007 10:44 pm

spudthug wrote:i am disliking the idea of people using ball valves on some gun that has the optential to atleast have a sprinkler..


Agreed, the latter valve is simpler to operate, offers better performance and is less likely to through you off target. Still, nice effort on the rifle, I like :)
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Unread postAuthor: keep_it_real » Mon Apr 30, 2007 10:51 pm

It is a spring loaded ball valve though and a sprinkler valve would look rather bulky and a rifle like that.

I REALLY like it. One suggestion: If possible, I think you should put the tank inside (I don't even know what its called) the wooden stock/handle.
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Unread postAuthor: experament-u2 » Tue May 01, 2007 12:59 am

nice work i like ur scope to

it seams nice and silent in the videos i like it
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Unread postAuthor: XxtriviumxX » Tue May 01, 2007 3:52 am

the dragunov SVD is one of my favorite guns.............im very happy to see someone turn it into a spudlauncher. good luck in the contest :D
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Unread postAuthor: shud_b_rite » Tue May 01, 2007 4:52 am

Great job, that is wicked, you make nice realistic looking guns. Dont ever walk around in public or people will easily mistake it for a real gun. It seams that everyone these days is using smaller chambers. Once again, nice job.
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Airbeds... so many different uses
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Unread postAuthor: integral » Tue May 01, 2007 6:54 am

Awesome mate! Just one thing, is there any reasoning on why the chamber has done a 180? Im thinking it would be more ergo if it was like a convential over-under and it would look nicer too. Looks great any way!
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Unread postAuthor: joe blogs » Wed May 02, 2007 12:53 am

The reason i haven't used a sprinkler valve is simple. Because of the money it costs and thats one thing i hope that will put me in front in this contest. this gun is cheap,ergonomic and has a high performance plus it is accurate. And the batteries for the sprinkler valve have to go somewhere.

btw the videos are with the marble gun barrel. The reason i didn't have the .22 barrel in action is because when i got the camera working i had run out of ammo and the deadline was fast approaching (in australia you have to get someone with a weapons licence to buy you inert ammo (air gun pellets,.22 lead bullets))

The reason i reversed the pressure pipe was that your hand slids into there and it acts like a hand guard. Plus when you want to attach a hand pump to the stock you can because the intake valve is facing in the right direction. And the last reason is it looks cool.
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Unread postAuthor: integral » Wed May 02, 2007 2:34 am

I saw a 15mm sprinkler at bunnings for like $14 bucks rated at 12 bar. It would be completely at home on your gun and it is very small. As for batteries you could just mod it and have a blow gun that would actually feel like a "trigger". Any chance of seeing the on-board pump attached and a vid of it working?
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Unread postAuthor: joe blogs » Sat May 05, 2007 1:42 am

No it's broken at the moment (on-board pump) i use a compressor atm, I'm trying to fix it atm.
The reason i used a ball valve was it was lying around and the rest of the parts i came across without spending any money, coz they were my dads.
Also the stock is made out of an old rail road sleeper.
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Unread postAuthor: ispudder » Tue Jun 12, 2007 6:59 pm

absolutely amazing. very clean design. looks a hell of a lot like a real 'nov. easily the best rifle styled pneumatic, or combustion gun for that matter, that i've ever seen. two thumbs way up!!!!
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Unread postAuthor: ispudder » Tue Jun 12, 2007 7:00 pm

absolutely amazing. very clean design. looks a hell of a lot like a real 'nov. easily the best rifle styled pneumatic, or combustion gun for that matter, that i've ever seen. two thumbs way up!!!!
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Unread postAuthor: chaos » Tue Jun 12, 2007 7:23 pm

Nice Gun Joe you should be really proud of it :thumbright:
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Unread postAuthor: potatoflinger » Wed Jun 13, 2007 7:16 pm

Very good looking gun, but you should treat your mom a little nicer, I mean, she did give birth to you, didn't she?
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