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Caselman air machinegun

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Unread postAuthor: VH_man » Sat Dec 15, 2007 7:54 am

Jack, someday i will post my cartridge ejecting gun..... sure it doenst work on air pressure due to feeding issues but its still flippin sweet!!!!!

A cartridge gun acutally might be one of my projects after christmas, a little birdie told me im getting an HPA setup!!!!

still, this gun is pretty cool....... seeing what it did to that 2X4 i can see how it has the capability to make nearly anything holy...... or holey, whatever you wanna say.
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Unread postAuthor: Hawkeye » Sat Dec 15, 2007 9:45 am

It was Django who originally linked to this gun on Spudtech. He got it from Thehomegunsmith. The plans had to be bought then.
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Unread postAuthor: jackssmirkingrevenge » Sat Dec 15, 2007 9:54 am

Sounds like a merry xmas VH_man :) dad got me an early present this morning, one of these :D

The plans had to be bought then.


They still do from that site.
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Unread postAuthor: jackssmirkingrevenge » Sun Jun 08, 2008 3:53 am

I came across this on youtube, looks like it's based on a similar mechanism:

[youtube]http://www.youtube.com/watch?v=yeCtzQodypk[/youtube]

The velocity quoted of 370 fps is however lower than I achieved with my ball valve strafer (which averaged 400 fps for steel BBs) though the builder notes that he was using "only" 700 psi, whereas the Caselman design is good for at least 4 times that pressure.
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Unread postAuthor: Brian the brain » Sun Jan 08, 2012 3:49 pm

JSR....
Now that you have the machines to do it...and you are probably in need of a good project...

do what this guy did:

http://www.network54.com/Forum/79537/th ... ning%21%21
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Gun Freak wrote:
Oh my friggin god stop being so awesome, that thing is pure kick ass. Most innovative and creative pneumatic that the files have ever come by!

Can't ask for a better compliment!!
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Unread postAuthor: jackssmirkingrevenge » Sun Jan 08, 2012 3:59 pm

Believe it or not I was just thinking about this last week, but scaling it down to 3mm calibre to satisfy my almost Japanese obsession with miniaturisation :D We'll see, I suddenly have a lot more on my plate for 2012.
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Unread postAuthor: al-xg » Sun Jan 08, 2012 5:57 pm

I remember reading through the PDF plans a while ago, his power calculations were way off, he was assuming constant acceleration through the barrel.

But it is none the less impressive.
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Re: Caselman air machinegun

Unread postAuthor: jackssmirkingrevenge » Sat May 03, 2014 4:35 am

http://www.thefirearmblog.com/blog/2014 ... chine-gun/

Nice build featured on TFB, picture heavy!
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Re: Caselman air machinegun

Unread postAuthor: wyz2285 » Sat May 03, 2014 6:20 am

For a moment I though it was BTB's. Looks like a auto hammer and a pneumatic cylinder to cycle the bolt.
check is out, basically a auto paintball with .22 barrel, cool belt though :D
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CpTn_lAw wrote::D "yay, me wanna make big multishot pnoob with 1000 psi foot pump compressor using diamond as main material. Do you think wet bread make good sealant? " :D
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Re: Caselman air machinegun

Unread postAuthor: jackssmirkingrevenge » Sat May 03, 2014 6:59 am

wyz2285 wrote:basically a auto paintball with .22 barrel, cool belt though :D


Yeah we've touched on it before. Having had the chance to fiddle with a lot of paintball guns since crossing the Atlantic, they really are an excellent basis for an auto project that can cause more damage...

These are the latest kits we got to pimp your Tippmann:

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Re: Caselman air machinegun

Unread postAuthor: wyz2285 » Sat May 03, 2014 7:05 am

Once upon a time I though about getting a mechanical paintball marker (not the solenoid ones). But most of them are semi only right? You just change the sear for full auto or a more sophisticated approach?
Tippman is doing good at realism for paintball markers. Have you heard of their HPA airsoft M4? Pretty decent for the price IMO.
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CpTn_lAw wrote::D "yay, me wanna make big multishot pnoob with 1000 psi foot pump compressor using diamond as main material. Do you think wet bread make good sealant? " :D
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Re: Caselman air machinegun

Unread postAuthor: jackssmirkingrevenge » Sat May 03, 2014 7:12 am

wyz2285 wrote:Once upon a time I though about getting a mechanical paintball marker (not the solenoid ones). But most of them are semi only right? You just change the sear for full auto or a more sophisticated approach?


All the ones we have capable of full auto have an electronic grip, there are certainly ways to mess with the sears of mechanical ones but for some reason only the electronic ones seem to be a commercial success.

Tippman is doing good at realism for paintball markers. Have you heard of their HPA airsoft M4? Pretty decent for the price IMO.


Yep, waiting for it to be released here!
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Re: Caselman air machinegun

Unread postAuthor: wyz2285 » Sat May 03, 2014 7:18 am

You know it can use co2 magazines too right, also their co2 magazines are "valveless" :lol:
Lots of people were worried about having "rocket magazine" flying around when reload, I think after 80 rounds there won't be much left. If it's designed to use unregulated co2 or equivalent HPA, that means a much cheaper rig to use the gun...
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CpTn_lAw wrote::D "yay, me wanna make big multishot pnoob with 1000 psi foot pump compressor using diamond as main material. Do you think wet bread make good sealant? " :D
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Re: Caselman air machinegun

Unread postAuthor: jackssmirkingrevenge » Sat May 03, 2014 8:00 am

wyz2285 wrote:Lots of people were worried about having "rocket magazine" flying around when reload


If there's one thing I've learned about people who play airsoft and paintball, 90% of them do not have even a basic understanding of the physics involved.
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Re: Caselman air machinegun

Unread postAuthor: Fnord » Sat May 03, 2014 8:38 am

jackssmirkingrevenge wrote:http://www.thefirearmblog.com/blog/2014/05/02/32-cal-caselman-air-powered-machine-gun/

Nice build featured on TFB, picture heavy!


I like how 90% of that guy's equipment is from harbor freight.
That must have been a frustrating build, and definitely gives credit to his ability as a machinist.

I pretty much much always have to make a second or third part using HF stuff .
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