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Spazooka MK1

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: killagorrila99 » Fri Oct 13, 2006 10:36 pm

Yea I just found out that the bullet isnt traveling at the speed of sound for very long:( Ill try to get a video up mate.
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Unread postAuthor: frankrede » Sat Oct 14, 2006 12:38 am

Nice cannon!
Congrats on breaking the barrier.
Inspires me for a new cannon using a union.
So how did it sound?
How are you sure that it wasnt the disk breaking?
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Unread postAuthor: killagorrila99 » Sat Oct 14, 2006 12:56 am

Aww c'mon man, I have fired the gun before, I think I know what a disk breaking sounds like. Breaking the barrier is like a WHOOSH and the loudest explosion youve ever heard.
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Unread postAuthor: ProfessorAmadeus » Sat Oct 14, 2006 4:12 pm

Seriously make one. I want to see what this thing can do. its not thats loud. A .22 breaks the sound barrier and its not that loud.
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Unread postAuthor: killagorrila99 » Mon Oct 16, 2006 3:28 am

Well it was pretty loud when I was right next to it man. I love this gun sooo much, Do you think a 2 inch union will increase performance?
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Unread postAuthor: killagorrila99 » Wed Oct 18, 2006 5:09 am

Well? Anybody? C'mon?
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Unread postAuthor: POS » Wed Oct 18, 2006 6:10 am

I think you mean that you use a union, that is smaler than the diameter of the barrel ? In that case, you should indeed get a bigger union. It will increase performance.
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Unread postAuthor: killagorrila99 » Wed Oct 18, 2006 7:25 pm

No the barrel is 1 inch, But will a 2 inch increase performance?
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Unread postAuthor: POS » Thu Oct 19, 2006 12:06 pm

A two inch union will not increase performance,cause the airflow trough the barrel is only 1". If the union is 2" or even 5", it would't be a difference. It will be, if you mount a bigger barrel, but al the rest of the parts between the chamber and the barrel need to be 2 " to then.
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