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| LynyrdSkynyrd |
 Posted: 06/18/2008 0:24 AM Post subject: |
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Sergeant
Joined: 26 Aug 2006
Posts: 93
198.92 Spud Bux
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It was a 3" cap with an o-ring groove in it. It worked, but it wa heavy and inefficient.... and dangerous
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| MrCrowley |
| Posted: 06/18/2008 0:25 AM Post subject: |
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Blizzard of Ozz
Joined: 23 Jun 2006
Posts: 6122
3132.86 Spud Bux
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3".
It was on a gun called 'Dam Buster', which is being renovated. 
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| n-strike |
| Posted: 06/18/2008 0:56 AM Post subject: |
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2nd Lieutenant
Joined: 26 Apr 2008
Posts: 222
58.76 Spud Bux
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| How was it dangerous, LS? Lol, Dam Buster...nice name.
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| iisthemuffin |
| Posted: 06/18/2008 8:09 AM Post subject: |
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Lieutenant Colonel
Joined: 11 May 2008
Posts: 473
758.68 Spud Bux
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| Lynyrdskynyrd - That actually looks like it would make a better prfectile that a piston. I just got an idea (which im sure someone has alreasy had). Put the pipe inside of one cap and then fill it with sand and top it off with the second cap.
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| n-strike |
| Posted: 06/18/2008 14:00 PM Post subject: |
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2nd Lieutenant
Joined: 26 Apr 2008
Posts: 222
58.76 Spud Bux
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| DonTheLegend |
| Posted: 06/18/2008 14:10 PM Post subject: |
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Sergeant
Joined: 06 Jan 2006
Posts: 86
254.52 Spud Bux
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| iisthemuffin wrote: |
Lynyrdskynyrd - That actually looks like it would make a better prfectile that a piston. I just got an idea (which im sure someone has alreasy had). Put the pipe inside of one cap and then fill it with sand and top it off with the second cap.
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I think thats what the mega launcher used as sabot rounds for shooting 2x4s but I'm not sure. Minus the second cap.
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| n-strike |
| Posted: 06/18/2008 14:11 PM Post subject: |
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2nd Lieutenant
Joined: 26 Apr 2008
Posts: 222
58.76 Spud Bux
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Oh yea, I remember seeing that in his video.
And by the way, a 1 1/4" PVC coupler is way too small for a 2" PVC tee. I realised that a 1 1/2" PVC coupler fits way better. And golf balls don't fit in 1 1/2" PVC. Why is that? And is it possible to remove a bushing that's already glued on? Thanks!
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| iisthemuffin |
| Posted: 06/19/2008 11:34 AM Post subject: |
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Lieutenant Colonel
Joined: 11 May 2008
Posts: 473
758.68 Spud Bux
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The golf balls dont fit in a 1.5 half inch SCH 40 pipe because a golf ball is really like 1.65 inches in diameter (something like that). When people say they use 1.5 inch pipe they mean 1.5 inch SDR 21. Ive never tried but from what ive read it fits perfectly in SDR 21.
And no you cannot remove a bushing, or any of piece of PVC for that matter, after it is cemented in. I suggested you poke around the forums and get aquainted with the term solvent welding.
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| LynyrdSkynyrd |
| Posted: 06/19/2008 11:39 AM Post subject: |
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Sergeant
Joined: 26 Aug 2006
Posts: 93
198.92 Spud Bux
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well that piston was dangerous b/c we used dwv
sdr-21 doesn't work anymore. 
DonTheLegend and I bought some like a week ago and it seems like the standard changed
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| iisthemuffin |
| Posted: 06/19/2008 11:48 AM Post subject: |
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Lieutenant Colonel
Joined: 11 May 2008
Posts: 473
758.68 Spud Bux
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Huh i do remember reading someone saying that. I believe it was either you or DonTheLegend, as you said. But did you look into it further? I do recall you asking if anyone else still had access to the original SDR 21. It is quite possible where you got it from just got a bad batch of it.
n-strike - I was very confused when i read your question about ungluing PVC, seeing as how your post count is almost 200. I would tihnk you would have more knowledge than that about PVC after being on here for a little while. But after reading through a few of your posts it seems that most of them, if not all of them are pointless, easily answered questions. Dont get me wrong either, ive asked my share of rediculous questions when i first got onto the forums as well. Bust you will find that it is easier to just learn on your own instead of just asking about every little thing.
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| LynyrdSkynyrd |
| Posted: 06/19/2008 11:52 AM Post subject: |
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Sergeant
Joined: 26 Aug 2006
Posts: 93
198.92 Spud Bux
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| it may have been a bad batch. but its kinda odd that all the sdr-21 pipe this place had on their lot was the same dimensions. Of course it could change between manufacturers, but even so, the pipe we got a year ago was the same maker but the right size. so i dunno
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| iisthemuffin |
| Posted: 06/19/2008 11:56 AM Post subject: |
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Lieutenant Colonel
Joined: 11 May 2008
Posts: 473
758.68 Spud Bux
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| LynyrdSkynyrd |
| Posted: 06/19/2008 11:58 AM Post subject: |
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Sergeant
Joined: 26 Aug 2006
Posts: 93
198.92 Spud Bux
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| yea thats what we're planning on doing is buying it from bcarms b/c right now our golf ball barrel is meticulously short.
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| iisthemuffin |
| Posted: 06/19/2008 12:01 PM Post subject: |
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Lieutenant Colonel
Joined: 11 May 2008
Posts: 473
758.68 Spud Bux
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I wish i had someone to build cannons with.  All of my friends have no interest in it.
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| LynyrdSkynyrd |
| Posted: 06/19/2008 12:27 PM Post subject: |
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Sergeant
Joined: 26 Aug 2006
Posts: 93
198.92 Spud Bux
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thats a bummer dude.
it was because of help from my friends we were able to build such a large and extreme cannon.
of course everybody here at spudfiles helps with all your cannon needs... so its kinda like people to build cannons with, just not physically.
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