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M-79 Build log

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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M-79 Build log

Unread postAuthor: grumpy » Thu Jan 29, 2009 6:02 pm

well i am finaly going to do another prorject, i've decided to build an m-79 to launch nerf rockets at scenario games.

going with all copper on this one, it will be an actual break action with the pressure chamber hidden inside the stock. got a 3/4 Q.E.V. that i'm modding to be pressurized from the chamber side. want to make this as real looking as possible.
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Unread postAuthor: Hubb » Thu Jan 29, 2009 6:07 pm

Definitely looking forward to this!
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Unread postAuthor: marpat » Thu Jan 29, 2009 6:20 pm

indeed i shall as look forward to this as well.

how are you going to power this i would assume a paintball tank with a remote coil.
the remote would also function as an expansion chamber which would be a bonus
Are there any de milled M79s like there are laws as it would make the job a basic drop in with minimal work and maximum quality {looks wise}
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Unread postAuthor: grumpy » Thu Jan 29, 2009 6:50 pm

you can buy them if you are police or military have the proper license and enough money (i'm still waiting to win the lottery).
besides a real one is only 40mm witch is a bit tight on 2 inch nerfs, my barrel will be 2 inch.
right now i am undecided wether i want to use a remote or put a 9oz co2 tank in the stock with the pressure chamber.
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Unread postAuthor: sputnick » Thu Jan 29, 2009 6:58 pm

In a word, sweet.

I don't know about a copper barrel, big copper like that is expensive, and aluminum would look better, and be less damageable,

But apart from that, it sounds like a fantastic project, Have you made any headway yet? or is this still in a design phase?
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Unread postAuthor: grumpy » Thu Jan 29, 2009 7:09 pm

actualy 3 or 4 fittings is all i have to buy every thing else was for free,
picking the fittings up tomorrow, and will start putting it together this weekend.
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Unread postAuthor: sputnick » Thu Jan 29, 2009 8:17 pm

Awesome, This really looks like it is going to be a nice project, be sure to keep this post up! I have it favourited...
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Unread postAuthor: Davidvaini » Thu Jan 29, 2009 8:41 pm

looks like a fun project, hopefully it will turn out looking like the real thing.
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Unread postAuthor: sputnick » Thu Jan 29, 2009 8:42 pm

Hey Dave, speaking of large guns, How is your big bore gun coming along?
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Unread postAuthor: Davidvaini » Thu Jan 29, 2009 8:45 pm

sputnick wrote:Hey Dave, speaking of large guns, How is your big bore gun coming along?


dont want to hi-jack thread, ill talk to you in chat about it.
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Unread postAuthor: ALIHISGREAT » Fri Jan 30, 2009 2:34 am

i've always likes the M-79... its so much more manly than the M203....

i think the easiest option would be to buy and airsoft one for the stock etc. and build onto/into that.... but where's the fun in buying one? :wink:
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Unread postAuthor: Hubb » Fri Jan 30, 2009 8:17 am

Grumpy, I think it would look more "authentic" with a tank, either 9oz or a 3.5oz or something, rather than a remote.

And, for the sake of it, I just have to quote...
ALIHISGREAT wrote:i've always likes the M-79... its so much more manly than the M203....
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Unread postAuthor: sputnick » Fri Jan 30, 2009 10:16 am

ALIHISGREAT wrote:i've always likes the M-79... its so much more manly than the M203....


You've got that right, its the kind of gun you run into the jungle, one in each hand, and balst the enemy base single handed with...

-Although I love the M79, I definitely think it would be easier to model an airgun after EX-41, the M79's pump action big brother

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taken from world.guns.ru
http://www.world.guns.ru/grenade/gl28-e.htm
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