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The Brass Bruiser

Built a hybrid 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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Unread postAuthor: rna_duelers » Thu Nov 22, 2007 5:37 am

Wow,you to should start your own IM group.

I have used a 2L milk jug sized piece of gel and have had marbles got about half way through it at around 400fps or so, with the gel facing long ways that is.So with your gun at say a 5x mix I'm expecting to see some good penetration maybe even through a 2L sized chunk and it is re-usable.
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Unread postAuthor: Novacastrian » Thu Nov 22, 2007 5:43 am

I am damn sure that it will penetrate around a foot of gel. Call me optimistic if you want :roll:
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When you fill your car with refined oil remember that it has been paid for with blood and guts, some from your own countrymen, most not.

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Unread postAuthor: rna_duelers » Thu Nov 22, 2007 5:45 am

That sounds more then reasonable to me,I think I got a few pics of some gel with some shotgun pellets in it and maybe some with marbles.
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Attachments
bal1.JPG
You can see see were marbles went striaght through and also some lodged in it.These were at 400fps
bal1.JPG (25.37 KiB) Viewed 699 times
bal3.JPG
Side view again notice the path of marbles that passed striaght through.
bal3.JPG (26.2 KiB) Viewed 699 times
bal2.JPG
Some random shotgun pellets
bal2.JPG (22.31 KiB) Viewed 699 times
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Unread postAuthor: jackssmirkingrevenge » Thu Nov 22, 2007 5:49 am

Water can be used as an approximate substitute for ballistics gel, simply divide penetration in water by two and you get a rough result.
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Unread postAuthor: rna_duelers » Thu Nov 22, 2007 5:52 am

I tried to mention that to people on this forum before maybe to years ago and was shot down...They threw everything at me to dis-prove me and make a fool of me.Yeh fun times..

What you think of the gel above?
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Unread postAuthor: Novacastrian » Thu Nov 22, 2007 5:55 am

Yeah but its harder to tell if a round has hit the side of the vessel or not, i will have to try gel i think-that or a censored.

Edit: i like the gel!
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Unread postAuthor: jackssmirkingrevenge » Thu Nov 22, 2007 6:01 am

rna_duelers wrote:I tried to mention that to people on this forum before maybe to years ago and was shot down...They threw everything at me to dis-prove me and make a fool of me.Yeh fun times..

What you think of the gel above?


Looks good, I have to make some meself one day to test the relative lethality of high subsonic airsoft BBs :D

Have a look here for some comprehensive ballistics gel tests of various calibres, good for comparison :)
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Unread postAuthor: rna_duelers » Thu Nov 22, 2007 6:17 am

Thats a good site,you always have a lot of them up your sleeve JSR.

I'm going to make up a batch and go comparisons now got me wanting to see how far I can get a 12 gauge slug into some gel.

Definitely do some testing with your subsonics BBs guns they most definitely will be lethal! :)
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Unread postAuthor: JDP12 » Thu Nov 22, 2007 10:33 am

K thanks Nova, I'll wait for that PM. Appreciate it
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"Some say his pet elephant is pink, and that he has no understanding of "PG rated forum". All we know is, he's called JSR. "
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Unread postAuthor: VH_man » Thu Nov 22, 2007 11:07 am

those marbles went all the way through? HOLY HELL!!!

thats definetly lethal. holy......

why did some marbles not make it all the way through?
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Unread postAuthor: Ragnarok » Thu Nov 22, 2007 2:28 pm

Ooh, lovely work. What I could do with some machined parts.

I've never built a hybrid - haven't ever been that interested. When my pneumatics aren't powerful enough, I just put more pressure in. So, I'm now wondering how HEAL would handle BG, but that's a question to be answered another time.
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Does that thing kinda look like a big cat to you?
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Unread postAuthor: VH_man » Thu Nov 22, 2007 2:38 pm

This might be a dumb question, but has anyone ever done a hybrid mix with deseil fuel?

i feel like that would be extremely powerful. if it can move a Tractor Trailer Truck, it can shoot something.
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Unread postAuthor: spanerman » Thu Nov 22, 2007 3:38 pm

Ragnarok wrote:Ooh, lovely work. What I could do with some machined parts.

I've never built a hybrid - haven't ever been that interested. When my pneumatics aren't powerful enough, I just put more pressure in. So, I'm now wondering how HEAL would handle BG, but that's a question to be answered another time.


and hear was me thinking you just posted without mentioning heal....


lovely gun nova...
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Unread postAuthor: rna_duelers » Thu Nov 22, 2007 4:45 pm

VH_man wrote:those marbles went all the way through? HOLY HELL!!!

thats definetly lethal. holy......

why did some marbles not make it all the way through?


The ones that didn't make it all the way through were shot with a shorter barrel if my memory is correct,but the ones that passed through would of been doing about 400-500 fps range.

Give it a go you'll be surprised by the outcomes of your cannons.
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Unread postAuthor: mark.f » Fri Nov 23, 2007 9:28 pm

Looks like a good creation. I just now saw it, (haven't been getting all the way down the forums list to Hydrid Showcase. Not enough time in the mornings...), and I have to say that's the tiniest hybrid I've ever seen. Well, actually, there was this guy named killagorilla a while ago who made a few tiny ones, but they were made out of pen tubes and such. :wink:

I agree with the fueling thing. Perhaps you could try something like this with an accurate medical syringe? At higher mixes, your error propagation will be higher, so accuracy is a must if you are planning to go around 6-10x mixes or such...

<div align="center"><img src="http://www.markfh11q.net/syringeinjection.gif"></div>

EDIT: Damn transparency key. That looks like crap... oh well, you get the gist of it. :roll:
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