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Unread postAuthor: pyromaniac » Fri Apr 13, 2007 3:29 pm

i an going to try to tap the neck of the bottle with steal have a 1/2 1 inch long steel nipple then i'll try to convert to pvc, steel doesn't really fit my budget.
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Unread postAuthor: PCGUY » Fri Apr 13, 2007 8:10 pm

I have 3 of these, and they SHOULD hold up to a good amount of pressure, but don't take my word for it without testing.

Oh and BTW these bottles are a few years old.
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Unread postAuthor: pyromaniac » Fri Apr 13, 2007 11:48 pm

Pc guy i dont understand you have 3 of the bottle or guns with those bottles?

it's my birth day today also so hello new funds.
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Unread postAuthor: PCGUY » Fri Apr 13, 2007 11:55 pm

3 of the bottles, I've never seen a cannon made from them.
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Unread postAuthor: clide » Sat Apr 14, 2007 12:06 am

Here are a few guns posted on the Spudtech forums that use the aluminum bottles.

http://www.spudfiles.com/spudtech_archi ... hp?t=11849
http://www.spudfiles.com/spudtech_archi ... hp?t=12012
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Unread postAuthor: pyromaniac » Sat Apr 14, 2007 9:33 am

Thanks those bottle look like they were useing the method of attaching the bottle to pipe that i am going to use.
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Unread postAuthor: SpudBlaster15 » Sat Apr 14, 2007 11:31 am

You have access to TIG welding equipment?

It's an aluminum hex reducer welded into the aluminum bottle
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Unread postAuthor: pyromaniac » Sat Apr 14, 2007 11:35 am

I have access to a welder. So my dad would be able to weld it if needed.d
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Unread postAuthor: SpudBlaster15 » Sat Apr 14, 2007 11:57 am

You can't simply weld paper thin aluminum using just any welder. Most anything aside from a TIG welder will burn through the material extremely easily. Using a TIG welder, you have extremely precise feed and heat control, which is the only way to weld such thin material. Even so, it is a very difficult procedure.
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Unread postAuthor: imjustpk » Sat Apr 14, 2007 9:40 pm

So no one has ever pressure tested one?
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Unread postAuthor: boilingleadbath » Sun Apr 15, 2007 3:09 am

None of <i>us</i> has pressure tested one... but I'm absolutely certain that the engineers that designed the things did extensive testing, because stuff like "designed beer bottle that cost bud wiser millions in lost inventory" looks <b>really bad</b> on your resume.

That said, I'm going to have to say that epoxying the neck into a matching taper is your best bet.
Perhaps you could use a forming method similar to that used to make the flares on PVC rockets to form this taper.
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Unread postAuthor: pyromaniac » Sun Apr 15, 2007 8:49 am

Will pipedope work for a steel fitting going into aluminum?

spud blaster- the cans arent really paper thin but i can see your point.
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