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| sgort87 |
 Posted: 01/20/2007 23:24 PM Post subject: QCTBDC: Something Completely Different |
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The Gort
Joined: 18 Sep 2005
Posts: 869
924.49 Spud Bux
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I have never made a burst disc cannon (hybrids don't count) and I decided why stop at a plain burst disc gun when I can make a challenge of it?
I have been thinking about the discussions on triggering burst discs for a while and thought it would be nice to have an easier way to do it than using two unions and all that.
I decided to also cure the problem of bust discs being a royal pain in the ass to replace.
This is it what I came up with: The Quick-Change Triggered Burst Disc Cannon. I'd like to let my video do all the talking. (Be sure to open in Full-Screen.)
The QCTBDC
Enjoy. 
And for some details:
What it is, is a lathed union inside of 2.5" pipe with o-rings on it (like a piston) that locks against the other union piece held in place on the front. Air pressure keeps it held in place naturally. All I have to do is bring the "piston" up to the aluminum and it sticks right on.
I tapped into the broadhead and threaded it onto a threaded rod which then threads into the pneumatic cylinder.
This is a prototype model which is why the barrel is not cemented in, stickers are not removed, and it's using "Kevin's" chamber. I think it's still pretty cool...  |
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| killagorrila99 |
| Posted: 01/21/2007 2:51 AM Post subject: |
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Captain Obvious
Joined: 25 Jul 2006
Posts: 1103
152.60 Spud Bux
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| I love it! ITS FREEKON AWSOME! |
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| Insomniac |
| Posted: 01/21/2007 3:01 AM Post subject: |
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Colonel
Joined: 18 Dec 2006
Posts: 722
257.76 Spud Bux
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Wow.......simply amazing....it looks awesome!!
Just dont press the trigger when your hand is in front of the broadhead 
lol |
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| experament-u2 |
| Posted: 01/21/2007 3:05 AM Post subject: |
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Lieutenant Colonel
Joined: 26 Dec 2006
Posts: 478
603.61 Spud Bux
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u could make a knife that shoots out and stabs people 
that is simply an amazing gun |
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| killagorrila99 |
| Posted: 01/21/2007 3:06 AM Post subject: |
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Captain Obvious
Joined: 25 Jul 2006
Posts: 1103
152.60 Spud Bux
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| U2, how are you getting those smiley??? |
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| Brian the brain |
| Posted: 01/21/2007 3:10 AM Post subject: |
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Dutch Spud Clan Leader
Joined: 05 Dec 2005
Posts: 1339
2233.28 Spud Bux
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Finally!!! A theory put into practice, in a beautiful manner I might add!!
Most theories never make it.
I love the quick change, very well made!! |
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| Pete Zaria |
| Posted: 01/21/2007 3:26 AM Post subject: |
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Resident Computer Guru
Joined: 31 Mar 2006
Posts: 962
914.67 Spud Bux
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Gort,
Beautiful job here. Innovative, effective, and super clean construction for a "draft" model. I'm sure it performs wonderfully, too.
Any chance of some distance tests, ggdt model, and/or damage shots  ?
Peace,
Pete Zaria. |
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| sgort87 |
| Posted: 01/22/2007 9:27 AM Post subject: |
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The Gort
Joined: 18 Sep 2005
Posts: 869
924.49 Spud Bux
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Thanks guys. I'm glad you like it. It was such a rush to make this gun. I can't wait to do more testing with it.
I don't know when I'll have real damage shots. It's pretty cold here now and I have been trying to do less indoor shooting.
I totally suck at GGDT. I have no clue how to do an accurate simulation of this type of launcher.
I'll do what I can though. Thanks again for the compliments. |
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| joannaardway |
| Posted: 01/22/2007 13:33 PM Post subject: |
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Brigadier General
Joined: 09 Oct 2006
Posts: 961
115.90 Spud Bux
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I love it - I've not seen anything that innovative and original in a while.
I'm surprised the discs get a clean hole punched out of them though. Well, you live and learn.
Kudos for something so slick. |
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| Hotwired |
| Posted: 01/22/2007 16:19 PM Post subject: |
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UK Spudgunner
Joined: 13 Oct 2006
Posts: 1800
3889.01 Spud Bux
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The broadhead would make the initial puncture and the air pressure would tear back the disks from that point but I do agree that it does seem surprisingly neat round the edges.
It'll turn up as aluminium shrapnel in the airflow, might scratch the barrel to a degree.
Great idea and demo. I think a complete design would benefit from a more compact way of puncturing the disk though, thats over a foot of pneumatic cylinder behind the disk.
Last time I thought of easy burst disks I kept thinking of embedded explosive wires  Talk about an imagination overbudget. |
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| medievalman |
| Posted: 01/22/2007 17:21 PM Post subject: |
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Captain
Joined: 05 Dec 2006
Posts: 319
23.46 Spud Bux
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| Thats pretty amazing. I've never seen anything like it. You just keep making these awesome creations! |
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| judgment_arms |
| Posted: 01/22/2007 17:53 PM Post subject: |
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The Judge
Joined: 17 Oct 2006
Posts: 1243
1456.17 Spud Bux
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Amazing, simply amazing. When the broad-head first went forward, HELO!
Sgort87 you’ve outdone your self.
Now I need to get off my lazy butt and get something done. But first I’m going to watch that thing again. |
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| sjog |
| Posted: 01/23/2007 21:19 PM Post subject: |
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Donating Member
Joined: 15 Oct 2006
Posts: 406
779.94 Spud Bux
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SG
In today's e-mail I sent you, I said i'm not a scientist,but you most certainly are!! |
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| frankrede |
| Posted: 01/23/2007 21:29 PM Post subject: |
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Sangheili
Joined: 20 Jul 2006
Posts: 3004
563.91 Spud Bux
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| SGORT I have always expected great launchers from you and this one is by far one of the best. really innovative. Hope it performs well. |
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