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M1A1 BAZOOKA

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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M1A1 BAZOOKA

Unread postAuthor: urgle the danish cow » Sat Jun 12, 2010 9:35 pm

this is a cruddy little thing my mate wanted for airsoft games. It has a 2inch ball valve as a valve and has a spring powered setup(not pictured).
caliber-2inches
cb ratio- 3:2 (3 foot chamber and 2 foot barrel)
main ammo- mini nerf rockets- 2 inch wooden slugs (not for airsoft of course)-airsoft bbs for bb showers.
it can shoot surprisingly far for its short barrel with an approx. 300ft range with nerf rockets.
the leverage stick on the ball valve is a mock (and oversized) rear bazooka rear sight. the front sight works and is made from steel strips. it is an elevation sight with 4 different settings.
the stock is wood furnished and stained
the rear flare thingy on the back (not sure what the weapon name is for that) is from a water-heater chimney brace from one of many water-heaters i have installed and taken out.
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IMG_0232.JPG
the bazooka. it is over 5 feet long so for an indoor picture i needed to turn the camera diagonally to fit it in the picture
IMG_0233.JPG
IMG_0234.JPG
front sight
IMG_0235.JPG
the nerf rocket. makes a satistfiying "whump" when fired
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Unread postAuthor: Ranger » Sat Jun 12, 2010 10:10 pm

Interesting. I like ball valve guns, but I would suggest that you get a 1" sprinkler valve and mod it, you will get alot more range.It seems that everyone builds (or wants to build) a bazooka eventually.I'm working on a bazooka right now, its just on paper tho. Nice shop btw.
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Unread postAuthor: Gaderelguitarist » Sat Jun 12, 2010 10:30 pm

The sights are brilliant.

I'll have to agree with Ranger though. A Sprinkler valve will give you more consistency, and make it more accurate if you pilot if with a blowgun. The trigger pull will be less so than the awkward nature of a ball valve.
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so many muchness
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Unread postAuthor: Technician1002 » Sat Jun 12, 2010 10:57 pm

For a bazooka, I tried one as a coaxial. I'll have to dust it off and get some photos. It is built like my Mouse musket except is uses a golf ball barrel and is entirely thin wall PVC. Due to the construction, is is low pressure only. I rarely use it and never bothered to paint it. It presently needs a new piston. I have considered making a replacement piston out of HDPE like I made for the Mouse Musket, but it is low priority. My current build is the priority when I have build time (very little this year).

I do not remember the ratio, but I believe it is close to 1:1.
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Unread postAuthor: deathbyDWV » Sun Jun 13, 2010 1:53 am

Looks good. I would also suggest a 1" sprinkler valve...
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Life's too short to mark off the items on your wish list...
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Unread postAuthor: urgle the danish cow » Sun Jun 13, 2010 9:19 am

yup my buddy wanted to keep it simple bc he had never made an air cannon . he also didnt want to spend much money of a sprinkler valve. half way through biulding this i said "bullocks, why didnt i make a coaxial piston valve?!?" because the srping powered trigger valve(not pictured) was a real gremlin to make work
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Unread postAuthor: Ranger » Sun Jun 13, 2010 11:01 am

urgle the danish cow wrote:"bullocks, why didnt i make a coaxial piston valve?!?"


One of the strangest sentences I've ever seen :lol:
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Golfball Bazooka

Unread postAuthor: Technician1002 » Sun Jun 13, 2010 11:57 am

As promised, here are the photos of a golfball bazooka. This was designed to quickly stash and not raise suspicion when tossed in a pile of pipe supplies. It is designed to not look like anything dangerous. It is just under 6 feet long.

This cannon is built like my Mouse Musket. It too has a close ratio valve. Due to the thinwall chamber and barrel, this is a low pressure launcher.

The camouflage paint scheme is industrial shop incognito. It works well in it's environment and is easily concealed in a shop.
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Attachments
Overview.JPG
Overview of the bazooka in the yard. At a distance it looks like just a pipe. Click to see full size for details.
Muzzle Profile.JPG
Like the Mouse Musket this used advanced PVC forming. This muzzle is a 2 inch coupler and a reducer inside the chamber.
Muzzle.JPG
A view into the muzzle reveals the golfball barrel inside. From the inside out is the 1.5 inch GB barrel, a 2 - 1.5 inch reducer, a 2 inch coupler, and the chamber is 2.5 inch thinwall PVC pipe.
Breech.JPG
A ball valve concealed in the breech hides the true nature of the launcher as a coaxial piston launcher.
Ball Valve.JPG
Close up of the trigger inside a 2 inch threaded plug makes this launcher valve serviceable. This like the Mouse Musket has a 2 inch pipe inside the Female Adapter to act as the piston cylinder.
Last edited by Technician1002 on Tue Jun 15, 2010 3:39 am, edited 2 times in total.
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Unread postAuthor: clemsonguy1125 » Sun Jun 13, 2010 2:45 pm

You mentioned your friend didnt want to spend money for the a sprinkler valve but 2 inch bv are about 10 bucks and so are sprinkler valves, blowguns are 3-4 bucks at stores like walmart so it wouldnt be a giant price increase, so if you ever build a another one you may want to considar this
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That is all.
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Unread postAuthor: urgle the danish cow » Sun Jun 20, 2010 7:19 am

clemsonguy1125 wrote:You mentioned your friend didnt want to spend money for the a sprinkler valve but 2 inch bv are about 10 bucks and so are sprinkler valves, blowguns are 3-4 bucks at stores like walmart so it wouldnt be a giant price increase, so if you ever build a another one you may want to considar this


yes but in the town i live in those valves are not readily available and i would have to special order it :roll:
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Unread postAuthor: urgle the danish cow » Sun Jun 20, 2010 7:21 am

great job Technician1002 i wish i would have made a piston valve as i mentioned earlier. gerat shop camo too :D
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Unread postAuthor: Ranger » Fri Jul 02, 2010 11:48 am

How did you mount the stock on the chamber?
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Unread postAuthor: Spuddin » Sun Jul 04, 2010 1:36 am

Hey i like it.. looks fun to shoot. Great job bro!
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Unread postAuthor: urgle the danish cow » Tue Jul 06, 2010 11:02 am

Ranger wrote:How did you mount the stock on the chamber?


!!!!!!epoxy!!!!!!! :D
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