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lead AA batery!

Post about things you have launched or thought about launching. Also post about various materials used for building cannons. No posts about explosive projectiles!
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lead AA batery!

Unread postAuthor: drex » Mon Apr 21, 2008 7:05 pm

cut of one end of a AA battery and use a 3/8" drill bit to git all of the crap out of it (MnO2 i think). then fill it up with molten lead, before the lead cools put a nail into the lead as a stabilizer. :lol: i have not fired one of these yet, once me and pat finish are 500 cubic inch hybrid one of these will go flying at mach2 :twisted:
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Unread postAuthor: bigbob12345 » Mon Apr 21, 2008 7:11 pm

Cool but you have a half in barrel on a 600ci hybrid :? or is it going to be wadded.
A 600ci hybrid should have atleast a 2in bore, much preferrabley 3in or even 4in.
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Unread postAuthor: Sticky_Tape » Mon Apr 21, 2008 7:25 pm

I made one of those for a sling it worked great!
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You can tell how awesome a cannon is by the pressure used.
http://www.spudfiles.com/forums/high-pr ... 12803.html
xnt rnm ne z ahtbg
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Unread postAuthor: drex » Mon Apr 21, 2008 7:33 pm

well we were going to use a very long 1/2" barrel, but a 3 or 4" barrel does sound like a lota fun :D
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Unread postAuthor: pat123 » Mon Apr 21, 2008 7:42 pm

do you think 4" sch 40 pvc would be ok for a hybrid barrel? It is so big I think the pressure wouldn't build up to high in it.
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Unread postAuthor: Sticky_Tape » Mon Apr 21, 2008 7:47 pm

Drex keep in mind that if you try to use a aa battery in type:l copper pipe the battery won't fit I've tried you should try 3/8'' sling shot ammo with a lot of wadding that works great puts holes in alot of stuff!
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You can tell how awesome a cannon is by the pressure used.
http://www.spudfiles.com/forums/high-pr ... 12803.html
xnt rnm ne z ahtbg
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Unread postAuthor: pat123 » Mon Apr 21, 2008 7:48 pm

I am pretty sure he made sure that it fit. It is a little smaller than the aa battery because he molded it inside of it.
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Unread postAuthor: FordGtMan » Mon Apr 21, 2008 9:56 pm

do you think 4" sch 40 pvc would be ok for a hybrid barrel? It is so big I think the pressure wouldn't build up to high in it.


Killjoy used a sch 40 pvc for his barrel for FEAR, and it had over 1800 ci of volume... :shock:
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Unread postAuthor: pat123 » Tue Apr 22, 2008 3:17 pm

Ok so it should be fine. this gun may be bigger than that in several months :twisted:
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Unread postAuthor: SpudFarm » Tue Apr 22, 2008 3:28 pm

i am going to try this in my small hybrid when i get it to work (if i care when i have a 2" mach 2.5 (?) in the waiting list :D)
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Unread postAuthor: drex » Tue Apr 22, 2008 4:00 pm

spudchucker wrote:Drex keep in mind that if you try to use a aa battery in type:l copper pipe the battery won't fit I've tried you should try 3/8'' sling shot ammo with a lot of wadding that works great puts holes in alot of stuff!




i tryed it in a .5 inch copper pipe and it fit nice and snug (after i took the wrapper of of the battery)
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Unread postAuthor: THUNDERLORD » Tue Apr 22, 2008 4:55 pm

If you want to add a cool fin to the back of that slug, try an "IDEAL" brand yellow wire nut just put the nail through it and into the slug to attach it.

BTW when a projectile strikes something sideways rather than nose first it's refered to as "keyholed" 8)
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Unread postAuthor: drex » Tue Apr 22, 2008 7:06 pm

i was thinking of makeing fins like this Image
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