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The BBinator - work in progress + damage pics

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The BBinator - work in progress + damage pics

Unread postAuthor: alumoi » Fri Apr 06, 2012 6:28 am

My first ever pneumatic rifle!
Materials:
- BB rifle barrel, 6,03 mm ID encased in a 1 cm brass tube
- green gas container
- schrader valve
- piston valve inside a 1/2 T
- ball valve
- blowgun
- wood :D

It's still a work in progress as I only have time during the weekends.

Image

As you can see, at the moment the barrel assembly is taped to the gas container until I manage to figure out how to improve my wood carving skills :D

Image

Operation is quite simple: turn off the ball valve, pressure the chamber through the schrader valve, pull the barrel, insert the BB

Image

push the barrel back in place

Image

turn on the ball valve and ready to fire.
I hope to finish the loading mechanism this weekend (that is attach a pin to the barrel so I could manipulate it easier) and the buttstock

Image
Image
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and then I can sight it properly and show some damage.
At 7 bar a 0,25 g plastic BB almost penetrated a 3 mm solid aluminium plate from 10 m.
Feel free to help me improve the BBinator :D

OK, some damage pics:
7 bar, 0.25g BB plastic, distance 2 m

front:
Image
The dent in the upper part is from a miss (yeah, I wear glasses :D )

back:
Image

and bottom:
Image
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Last edited by alumoi on Sat Apr 07, 2012 2:42 am, edited 3 times in total.

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Unread postAuthor: sharpshooter11000 » Fri Apr 06, 2012 6:48 am

Looks good, how did you attach the green gas container to the ball valve?
By 3mm aluminium foil do you mean kitchen foil or solid aluminium plate?
If you want to make a simple barrel support you can have a look at the cannon in my signature, the barrel support was just made with a pice of wood and two holesaws.
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Unread postAuthor: Crna Legija » Fri Apr 06, 2012 6:50 am

nice but
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Unread postAuthor: alumoi » Fri Apr 06, 2012 6:55 am

Oops, my mistake for not being clear.
I drilled the gas container, screwed the ball valve and the schrader valve and used a lot of epoxy to make sure there are no leaks.
As for the aluminium foil, you have to excuse me, English is not my native language, I mean solid aluminium plate.
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Unread postAuthor: sharpshooter11000 » Fri Apr 06, 2012 7:19 am

Well done on the gas container, I gave up on trying to attach something on to one of mine :lol:
Aluminium plate :shock: Nice!
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Unread postAuthor: Major Collins » Fri Apr 06, 2012 7:45 am

nice , where did you get that blowgun ? i want one exactly like it haha
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Unread postAuthor: alumoi » Fri Apr 06, 2012 7:54 am

The blowgun is from Praktier, a local DIY store. It's a cheap model, rated for 10 bar max.
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Unread postAuthor: dahakka » Fri Apr 06, 2012 9:27 am

"BBinator" good name ,
remind me about Phineas and Ferb :lol: :lol:
i love it
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Unread postAuthor: alumoi » Fri Apr 06, 2012 9:48 am

I have a 7 yo daughter, where do you think I got the name from?
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Unread postAuthor: wyz2285 » Fri Apr 06, 2012 2:08 pm

3mm solid aluminium plate? at 7bar with a 0.25g bb? I need to see it :o but as that big chamber only delivers one shot, I guess it´s possible...
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Unread postAuthor: alumoi » Fri Apr 06, 2012 2:14 pm

I hope to upload some pics and maybe a video this weekend so stay tuned.
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Unread postAuthor: Gun Freak » Fri Apr 06, 2012 2:15 pm

I like it! Very cool. But I doubt the 3mm aluminum plate penetration :lol:
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Unread postAuthor: alumoi » Fri Apr 06, 2012 2:16 pm

It didn't penetrate. I said almost penetrated.
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Unread postAuthor: Gun Freak » Fri Apr 06, 2012 4:54 pm

What does almost penetrated mean?
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Unread postAuthor: Crna Legija » Fri Apr 06, 2012 6:59 pm

Gun Freak wrote:What does almost penetrated mean?


a dint :lol:
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