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| cannon freak |
 Posted: 09/30/2006 13:39 PM Post subject: Aluminum Cannon |
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1st Lieutenant
Joined: 12 May 2006
Posts: 269
324.49 Spud Bux
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Has anyone had any luck with this type of material for a gun, more specifically a hybrid.
For a 3" chamber I can safely go up to 2000 PSI with a 2X margin using 0.13333 thick aluminum tube and no its not pressure rated the wall thickness at bursting point is 0.06667". So I'm planning on using 0.125" tube. It can't be welded but my uncle can easily machine some parts up at his work for not to much and then it can all be hooked together like that, can't be welded so screws or something will be used.
The sad thing is, the aluminum is only slightly more expensive than PVC i9n my area and that's SCH 40.
Last edited by cannon freak on 10/04/2006 20:01 PM; edited 1 time in total |
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| jrrdw |
| Posted: 09/30/2006 15:38 PM Post subject: |
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Donating Moderator
Joined: 16 Nov 2005
Posts: 3139
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| If you use aluminum wire in a mig welder, or if you use a tig welder it can be welded, but you have to be a good welder. |
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| rna_duelers |
| Posted: 09/30/2006 18:26 PM Post subject: |
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Major General
Joined: 26 Sep 2005
Posts: 1641
3118.23 Spud Bux
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| My uncle can weld aluminium with an oxytorch and AL wire but he does those kinds of things for a living.I like the idea of this gun make sure u get some plans and some pics up of it sounds interesting. |
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| rocketman |
| Posted: 10/01/2006 20:10 PM Post subject: |
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Private
Joined: 01 Oct 2006
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The reason you can't weld some aluminum is beacause certain alloys have been heat treated, the weld would never be as strong as the rest unless it was re-heat treated.
Just some food for thought.
it sounds like a good idea if you can have everything machined and thread it all together. |
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| killagorrila99 |
| Posted: 10/01/2006 20:27 PM Post subject: |
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Captain Obvious
Joined: 25 Jul 2006
Posts: 1103
152.60 Spud Bux
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| Wouldnt that be like the sp9004? |
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| cannon freak |
| Posted: 10/04/2006 20:05 PM Post subject: |
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1st Lieutenant
Joined: 12 May 2006
Posts: 269
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Well Ive struck some luck, my grandfather has a friend who can mill me some stuff. I was wondering, how do you guys think I should connect my parts, I'm going to make it all threaded (much thicker than normal), but how should the pieces go together without welding?
I'm thinking of a 2000PSI gun powered by a scuba tank, by the way I don't plan on being beside this gun lol. |
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| frankrede |
| Posted: 10/04/2006 21:39 PM Post subject: |
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Sangheili
Joined: 20 Jul 2006
Posts: 2896
421.43 Spud Bux
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| Use primer and solvent weld on aluminum.Jk,but don't use screws.Use bolts. |
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