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marble shooter (now with videos and damage pics!)

Built a pneumatic cannon? 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: The_Crow681 » Wed Feb 27, 2008 5:36 pm

Great job man! looks shiz :P, is that scope in the picture: Camber Detail, a 4x20mm scope? If so howmuch did you pay for it.
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Unread postAuthor: jook13 » Wed Feb 27, 2008 10:50 pm

I believe it is a 4x20 scope, but not sure. I do know that I payed like 16 bucks for it a long time ago, it was on my pellet gun for the longest time. and thanks for the compliments, it is a total blast to shoot, no pun intended. :wink:
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Unread postAuthor: ammosmoke » Wed Feb 27, 2008 11:41 pm

I love that video of the paint can exloding!! :D Absolutely priceless. Well at least that part where you enjoy it.
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Unread postAuthor: jook13 » Tue Mar 11, 2008 12:18 am

jrrdw:Try a full can of Cambells soup. Nice!


roger that....

the entry hole is especially cool and unpredicted:
[img][img]http://img.photobucket.com/albums/v13/jook13/entertincan.jpg[/img][/img]

and the exit wound is standard
[img][img]http://img.photobucket.com/albums/v13/jook13/exittincan.jpg[/img][/img]
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Unread postAuthor: jackssmirkingrevenge » Tue Mar 11, 2008 12:29 am

jook13 wrote:the entry hole is especially cool and unpredicted


Actually quite predictable, thanks to the incompressibility of fluids:

Image

It's the same reason the lid is blown off the coffee tin in this shot.
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Unread postAuthor: The_Crow681 » Tue Mar 11, 2008 12:57 am

Haha way to pro jackssmirkingrevenge goodwork lolz ^^
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Unread postAuthor: Lentamentalisk » Tue Mar 11, 2008 1:59 am

jook13 wrote:At about 40 yards I had a spread of around 6 inches.


Is this a typo? only a 6 inch spread at 40 yards? That is insane! How far does the marble drop over that distance?
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Unread postAuthor: Davidvaini » Tue Mar 11, 2008 1:59 am

also the same reason why when you have a soda outside in the winter before it explodes the tops pop up.
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Unread postAuthor: jackssmirkingrevenge » Tue Mar 11, 2008 2:00 am

Davidvaini wrote:also the same reason why when you have a soda outside in the winter before it explodes the tops pop up.


How exactly is that related :?:
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Unread postAuthor: MrCrowley » Tue Mar 11, 2008 2:35 am

Davidvaini wrote:also the same reason why when you have a soda outside in the winter before it explodes the tops pop up.

Ah, I'm going to have to take you down to the station, for a possible PUI. We have recieved a number of complaints. :roll:




:)
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Unread postAuthor: Davidvaini » Tue Mar 11, 2008 3:23 am

jackssmirkingrevenge wrote:
Davidvaini wrote:also the same reason why when you have a soda outside in the winter before it explodes the tops pop up.


How exactly is that related :?:


it just is... :study:
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Unread postAuthor: jackssmirkingrevenge » Tue Mar 11, 2008 3:35 am

Davidvaini wrote:it just is... :study:


No it isn't.
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Unread postAuthor: MrCrowley » Tue Mar 11, 2008 3:49 am

jackssmirkingrevenge wrote:
Davidvaini wrote:it just is... :study:


No it isn't.

Hahaha, one of the best videos you've linked in awhile.
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Unread postAuthor: Lentamentalisk » Tue Mar 11, 2008 8:05 pm

Is anyone able to answer my question as to how you get to only a 6 inch spread across 40 yards? That seems highly improbable with out a rifled barrel and much higher pressures
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Unread postAuthor: jackssmirkingrevenge » Tue Mar 11, 2008 10:41 pm

Lentamentalisk wrote:Is anyone able to answer my question as to how you get to only a 6 inch spread across 40 yards? That seems highly improbable with out a rifled barrel and much higher pressures


With tight fitting and consistent ammunition, filling to the same pressure and the benefit of a scope this seems entirely realistic performance to me.
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