bbmg idea

Boom! The classic potato gun harnesses the combustion of flammable vapor. Show us your combustion spud gun and discuss fuels, ratios, safety, ignition systems, tools, and more.
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Demon
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Sun Mar 01, 2009 11:04 am

Did someone already tried to run a bbmg with combustion powa?

If yes say it and an admin will lock or delete the topic, but if not, i'l be happy to had bringed a new idea.
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dudeman508
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Sun Mar 01, 2009 11:08 am

Can you explain your design a little better i dont under stand how it is a bbmg, maybe semi but i don't know about full auto.
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Demon
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Sun Mar 01, 2009 11:23 am

The combustion provides constant gas pressure to push the bb's, the combustion does not stop,it continues, keeped on with the 1.5 volts bb-sparqer.
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Hotwired
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Sun Mar 01, 2009 11:32 am

The constant combustion you're describing has a technical name I believe...


It's either a blow torch or perhaps a flamethrower.


I'd definitely be looking at metal pellets for that :)
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SpudsMcGee
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Sun Mar 01, 2009 1:42 pm

Even with the constant combustion you are talking about, you're not going to get anything close to full auto. Also, you have to be extremely careful when you're dealing with pure oxygen tanks. If it backfires (if that is the term), that gun would blow up with horrendous repercussions. But if you are really want to make it, don't let me stop you. If you can get it working, it would be awesome. Just be careful.

Edit: Plus the flames shooting out of the barrel with the bbs would look awesome, too.
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Demon
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Sun Mar 01, 2009 1:47 pm

I never said that i would make that! way too much dangerous...

My parents wont let me play with explosives
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Sun Mar 01, 2009 2:38 pm

Something tells me the combustion chamber and everything attached to it will become a puddle rather quickly.

Not to mention the intense heat could cause your barrel to lose its shape, which in turn might cause it to jam...then something is going to go boom somewhere.

Sounds cool(hot?) in theory, but somehow I think its more dangerous than it's worth.
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john bunsenburner
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Sun Mar 01, 2009 3:09 pm

Hmm, how about just scewing a blow torch to a iron chamber and having an air flow of soem sort, the air expandes form the heat and propells the bbs, kind of a hybrid BBMG!!! :D
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grock
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Sun Mar 01, 2009 4:01 pm

Hotwired wrote:The constant combustion you're describing has a technical name I believe...


It's either a blow torch or perhaps a flamethrower.


I'd definitely be looking at metal pellets for that :)
now THAT would be an airsoft flame thrower
though i imagine getting hit with molten plastic might....annoy some people
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sniper hero
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Sun Mar 01, 2009 4:23 pm

good idea to make a combustion bbmg :D
maybe try to feed a pulse engine with a barrel mounted on (slightly different concept)
where is the topic about that?
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inonickname
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Sun Mar 01, 2009 8:19 pm

Why not just use a pulsejet or a small IC engine, and modify the location of the exhaust ports for more power?
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roboman
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Sun Mar 01, 2009 9:06 pm

The only problem with that is that you need a considerable amount of pressure to be able to shoot the BBs with any force.

@John: A blowtorch would most likely just melt the iron. They get incredibly hot, and anyway, it would seriously burn your hand if you were to touch it.

This whole topic just seems like a bad idea, and an explosion waiting to happen. Please don't try this, unless you have considerable experience with this kind of thing.
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psycix
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Mon Mar 02, 2009 2:22 pm

The thing will get hot.
And hotter...
and hotter...
and hotter.
And you know what happens next?
It becomes even hotter!

When it becomes so damn hot, bad things will happen, there are so many danger hazards and probabilities of failing; its not worth it to sum them all up.
You would be better off to use a combustion engine driving a compressor. ;)
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