Hybrid Cartridge (Possible Fail)

Harness the power of precision mixtures of pressurized flammable vapor. Safety first! These are advanced potato guns - not for the beginner.
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irisher
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Tue Jan 19, 2010 7:10 pm

After being inspired by JSR's combustion cartridge awhile back I decided to attempt my own with hybrid mixes. Ignition still needs work and metering still needs tweaking but it is coming along. It has also successfully loaded an empty cartridge :lol: .Feel free to ask questions.
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My soon to be ammo
My soon to be ammo
Cartridge
Cartridge
The bolt
The bolt
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A view from the side.
A view from the side.
Last edited by irisher on Mon Mar 15, 2010 6:28 pm, edited 2 times in total.
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Lockednloaded
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Tue Jan 19, 2010 7:28 pm

wow looks great, what mixes do you plan on using? Is the fill valve a schrader, and if so how do you inject the propane. And last, where's the burst disk?
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deathbyDWV
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Tue Jan 19, 2010 7:56 pm

Same questions as him...

Also what sizes are the cartridge pipes?
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JDP12
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Tue Jan 19, 2010 8:12 pm

Interesting...

How doyou plan on sealing a BD??

Im workong on a combustion cartridge, and may upgrade to hybrid if i can get money.

Good luck!
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irisher
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Tue Jan 19, 2010 8:28 pm

@ JDP http://tinypic.com/view.php?pic=27x4fuc&s=6 This the sealing face for the burst disk. The cap has poured epoxy resin in it and the pipe nipple has epoxy putty to help compress the burst disk.

@DWV It is a 1.5 x 3" pipe nipple capped with black iron caps.

@Lockednloaded I plan on 10x shots with mapp willing through schrader.

Edit: I apologize for the poor picture quality. It does not really look that shoddy.
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JDP12
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Tue Jan 19, 2010 9:17 pm

Ah. So a homemade union in essence. Have you tested it for sealing??
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irisher
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Tue Jan 19, 2010 9:28 pm

I have tested with my shock pump. When heavily torqued down no air leaks through the barrel. However the threads where the nipple meets the cap has tended to leak slightly.
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jackssmirkingrevenge
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Wed Jan 20, 2010 1:34 am

Another ghetto-but-great setup from you :D and bloody hell, if you're planning on having those cartridges eject, I wouldn't want to be hit by one!
hectmarr wrote:You have to make many weapons, because this field is long and short life
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psycix
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Wed Jan 20, 2010 7:25 am

and bloody hell, if you're planning on having those cartridges eject, I wouldn't want to be hit by one!
Projectiles on their own. :lol:
Hey, maybe use each empty cartridge as ammo for the cartridge after it...
Till the day I'm dieing, I'll keep them spuddies flying, 'cause I can!

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irisher
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Mon Jan 25, 2010 9:31 pm

I forgot to show the sight in the previous pictures. Image
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roboman
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Mon Jan 25, 2010 9:37 pm

Is that a computer fan guard?
ilovetoblowthingsup wrote: The yellow/orange back fits super snugly, very nice in fact, but the head does not fit.
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irisher
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Mon Jan 25, 2010 9:39 pm

Shush, no one needed to know that. :P
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roboman
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Mon Jan 25, 2010 9:49 pm

Actually, that's a really good idea...I may have to steal that for my next build. :P
ilovetoblowthingsup wrote: The yellow/orange back fits super snugly, very nice in fact, but the head does not fit.
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jackssmirkingrevenge
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Tue Jan 26, 2010 2:20 am

irisher wrote:Shush, no one needed to know that. :P
I think anyone who's ever taken a PC apart (and that's probably msot people here :P) would recognise it immediately ;)

More of an anti-aircraft sight though, are you worried about police interference :D
hectmarr wrote:You have to make many weapons, because this field is long and short life
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irisher
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Tue Jan 26, 2010 5:11 pm

I was kind of going for the AA look. I plan on mounting it to a tripod so I think it go along well.
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