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2000rpm homemade BB gun

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2000rpm homemade BB gun

Unread postAuthor: django » Mon Jun 07, 2010 4:06 am

I found this on you tube today= claims its a 2000rpm BBgun!??




[youtube]http://www.youtube.com/watch?v=2hh_7kfgx3k[/youtube]
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Unread postAuthor: woodscout » Mon Jun 07, 2010 4:27 am

no way its 2000rpm, its just not that fast
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Unread postAuthor: MrCrowley » Mon Jun 07, 2010 4:31 am

He says 20,000 not 2,000 by the way.
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Unread postAuthor: chinnerz » Mon Jun 07, 2010 5:22 am

looks kinda.... odd.

as long as it functions well i guess its ok :P
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Unread postAuthor: django » Mon Jun 07, 2010 5:26 am

MrCrowley wrote:He says 20,000 not 2,000 by the way.



ooops, sorry chaps=its been a long day :roll:
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Unread postAuthor: psycix » Mon Jun 07, 2010 6:23 am

Looks like he uses a coiled tube that holds the ammo. Air goes in on one side, ammo gets pushed out on the other side.
Not a cloud/vortex. Its blowing through a tube filled with ammo.
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Unread postAuthor: Crna Legija » Mon Jun 07, 2010 6:31 am

he has a how it works video
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Unread postAuthor: jackssmirkingrevenge » Tue Jun 08, 2010 1:10 am

If you look at jimmy's calculations, a 2,000 rpm BBMG is actually quite typical.

20,000 rpm... well, feeding though a tube is different to the random nature of cloud/vortex feeding, and if he counted the BBs and dumped the mag in a measured time, well results are results.

I like the coiled magazine idea, I had thought of something similar here but without a continuous tube I couldn't get it to feed reliably. With a detent rate of fire could be reduced and power increased.
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Unread postAuthor: django » Tue Jun 08, 2010 4:11 am

Looks to work well but would be a pain the ass to load!! and take some time to do so :roll: ..............
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Unread postAuthor: psycix » Tue Jun 08, 2010 8:32 am

I dont see the use of it. If you want to shoot 600 rounds in the blinks of an eye, why not use a buckshot?
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Unread postAuthor: Hotwired » Tue Jun 08, 2010 8:38 am

Nicely made but small fiddly mag + excessive RPM + full auto only = :?

A pneumatic shotgun would give a better result, faster "rpm" and be easier to reload.
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Unread postAuthor: jackssmirkingrevenge » Tue Jun 08, 2010 11:29 am

psycix wrote:I dont see the use of it. If you want to shoot 600 rounds in the blinks of an eye, why not use a buckshot?


Because you can't spell your name with buckshot ;)

...unless your name is

. . . .
.. . . .. .. .
. . .. . .
. .. . . .... .
. . . .
. .. .. .


:D :D :D
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Unread postAuthor: Zeus » Thu Jun 10, 2010 6:39 pm

Jack, I don't QSL. Do you know CW? Because I can't read you.

Anyway, if it does what you want, then that's all want from it.

(If you understand this, I've got one too. Also, CQ to anyone else
reads this)

73's
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Unread postAuthor: Technician1002 » Thu Jun 10, 2010 6:47 pm

73's Zeus, I have an XYL, so I never bothered to get a license. I did quite a bit of SWL and chicken band for a while. Most of my side of the family are licensed. Mom and dad are general, my brother is no code tech along with several of his kids. I do spend time at field days.

I did work on transmitters. I used to do broadcast, both television and AM/FM radio.

If you get in touch with ZF1DJ, tell him hi for me. I've been on a couple field days with him.

A field day under palm trees on the beach makes a great field day.
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Unread postAuthor: Zeus » Thu Jun 10, 2010 7:20 pm

I'm a VK and it's a full call here. I won't post it (you can look up calls)
but if someone's an SWL or holds a call, I'll PM if they're interested.

I'm on 2M FM only, so DX is 200Km.

Good to see some amateurs here.

May the ionosphere always cater to your needs
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