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Mark IIIi Commando, Improved

Built a BB Machine Gun? 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: Davidvaini » Mon Nov 17, 2008 10:50 pm

Equilibrium is simply one of the best movies of all time..
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Unread postAuthor: NeoSpud » Tue Nov 18, 2008 3:39 pm

Lentamentalisk wrote:I'm guessing that that upper bit is designed to keep the blood splatter out of your barrel and finely tuned moving parts...


From how I understand it, that block is to prevent the slide from coming out of battery in cases of muzzle contact with an object (i.e., an aggressors face or limbs), which would render the firearm incapable of firing until the slide returns. Those muzzle devices were not developed with the intent of attaching a bayonet, though, and seem somewhat unnecessary with one attached.

If you want to put a bayonet on a BBMG, I'd suggest making one with an outer barrel with an OD the same as an AR-15 barrel, and then add this:
http://www.commandsurplus.com/p71252/AR ... _info.html

Just for the hell of it, I think I'll order one... 8)
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<a href="http://www.NeoSpud.com"><img src="http://www.neospud.com/images/neosig.PNG"></a><IMG SRC="http://www.neospud.com/emclogo.PNG">
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Unread postAuthor: YEAHADD16 » Tue Nov 18, 2008 3:53 pm

great craftsmanship, just wondering how you created hopup and how you mad the vortex block. On your site i noticed that the air intake is not tangent with the main "circle" chamber, just wondering how you managed to make that
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Unread postAuthor: ISA_Yoshi » Tue Nov 18, 2008 4:44 pm

I was looking for something to put on the existing rails, but that looks like a good idea for the bbmng I'm curretly working on.

or just something like this fore example. Cheap, safe, realistic-ish looking without the danger of hurting anyone.

You don't need the adapter so it's cheaper. Just slide this over a muzzle assembly the same diameter as an M4/M16
At least, as long as you don't plan on actually impaling anyone. If that's your aim, go right ahead and get the adapter and a real steel bayonet. As for me, I think I'll stick with less-deadly rubber, lol

On an interesting side note.
I was talking to a chemist friend the other day who wants to see the Mark III really badly. He said it sounds similar in design to the way chemical engineers came up with to manufacture things like lead core bbs.
The lead balls sit in a tank and air is shot in from the bottom. The pressure is high enough to keep the balls airborne. Meanwhile, coating material (i.e, copper) is shot in from the sides of the tank. The coating takes place in mid air and that small increase in weight is enough to make the bbs drop to the bottom of the tank, colling and hardening the outer shell on the way down.
I explained that's similar to a cloud bbmg and then explained the simple difference the vortex makes. he seemed really interested. I may even have enough of that high density polyethylene I told you about left over so he can start on his own.
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Unread postAuthor: NeoSpud » Tue Nov 18, 2008 6:22 pm

For reference, I wouldn't advocate using a real M9 bayonet :D

I have a rubber one that I bought from NA, and it attaches to AR bayonet lugs just like the real deal. Only $8, too.

I haven't gotten close enough to a person to use it while it's attached to a gun, but I have covertly knifed 6 people with it so far... ninja skills! :wink:
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Unread postAuthor: SEAKING9006 » Sat Nov 22, 2008 1:04 pm

You said this was a commissioned piece, no? You plan on taking any more orders? If airsoft/mil-sim gets any more popular over where I am (and it will, oh I'm making DAMN sure of that!) I may order one of these babies.
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Unread postAuthor: Spuddin » Sat Nov 22, 2008 8:33 pm

sweet gun. maybe it has already been asked here but what's the trigger made from, would like to use one.
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Unread postAuthor: VH_man » Sun Nov 23, 2008 9:51 am

Im actually wondering the same thing... my marble pistol im making atm needs one....
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Unread postAuthor: ISA_Yoshi » Sat Dec 13, 2008 11:18 pm

it's a push button valve. neospud told me it gives for a shorter time between initial trigger pull and the first bb leaving the barrel than the basic air gun or pressure washer handle.

I fixed my regulator the other day and finally got the commando running at over 100 psi. at that pressure, it's possible to have continuous fire. i have to say, it looks pretty BA, especially with the red .12's for "fire" from the flamethrower
promise videos soon
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Unread postAuthor: django » Tue Dec 23, 2008 6:16 pm

Neospud,Can you PLEASE tell us all how much pressure that cool assed trigger that was used can safely take and what the triggers calleed so I can look into buying one(looks awesome!). Also as someone else pointed out,on your site the diagram down the bottom of the page showing the internals of how this is constructed has the air inlet running at 45 degrees to the vortex hole then going 90 degrees to where the brass nipple usually is?.

After seeing this Im tempted to make another BBMG,I gave up for ages after the last 3 I made did not feed/fire!!??(Half Vortex,Full Vortex and the encap design).2 of these were using 1" PVC pipe for the chamber,maybe too small and causing bb jams? I opted for smaller chamber size as I thought bigger sized ones would reduce power output.
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Unread postAuthor: mike1010 » Fri Jan 09, 2009 1:24 am

NeoSpud wrote:
Actually, I'm working on that right now. After building a few flame throwers and about 200 "grenades" (improved versions of the cardboard tube style firecracker grenade, with a reusable plastic shell instead of cardboard), I figured that I should get into this on a bigger scale. I'm currently working on an M2A1-7 replica that I'll be pitching to several companies, and may just produce it myself if no one bites. It'll be a while, though, because that one's getting a patent for sure. I'm also conjuring up a kit for demil-ed AT-4 tubes to turn them into nerf rocket launchers, and an effective airsoft mortar. The prototype kit works well, but I'm not satisfied with the range just yet; I need to put a tighter barrel in it and make the valve faster.


are you saying your going to patent the vortex block design? that seems like a kinda crappy thing to do, that means anybody else who makes a vortex block gun could be in legal trouble? or are you just patenting the exterior?
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Unread postAuthor: Ragnarok » Fri Jan 09, 2009 8:44 am

mike1010 wrote:are you saying your going to patent the vortex block design?

No, he didn't say that - he said he had a project that he wanted to patent, and as he doesn't want to share it with us, that will mean it's different enough to anything else that he needs to keep it secret for those purposes.

that seems like a kinda crappy thing to do, that means anybody else who makes a vortex block gun could be in legal trouble?

You're not understanding patents. Patents only apply if you attempt to sell a product that uses a patented design without permission.
I could go out and make something that uses any patent I like (regardless of whether that patent is still active or not), and as long as I don't then try to sell it, there won't be any legal trouble.

But again, he's not trying to patent the vortex block (as far as I know).
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Does that thing kinda look like a big cat to you?
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Unread postAuthor: mike1010 » Fri Jan 09, 2009 8:36 pm

oh ok great but still i "could" hypothetically get in trouble if i sold a vortex gun to a friend which is still lame.
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Unread postAuthor: btrettel » Fri Jan 09, 2009 10:14 pm

The vortex block design has been discussed in detail on publicly accessible forums. That disqualifies the particular design from being patented (at least in the US system). A modification of it that was not discussed publicly is patentable however.
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All spud gun related projects are currently on hold.

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Unread postAuthor: Ragnarok » Sat Jan 10, 2009 6:41 am

mike1010 wrote:oh ok great but still i "could" hypothetically get in trouble if i sold a vortex gun to a friend which is still lame.

No, they wouldn't chase after you for that (again, if the vortex block was patented).

For one thing, the royalties on a couple of sales would be so small it wouldn't be worth the trouble of them chasing you down.
Also, they'd be unlikely to know about your sales.

Really, to get caught by a patent, you have to be openly selling large numbers of them commercially, not a just a few to your close mates.
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