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Material Choices Need Help

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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Material Choices Need Help

Unread postAuthor: AlphaOmega » Sat Aug 21, 2010 3:33 pm

I am finally going to build my first airsoft gun. I have a few questions concerning its construction. I was planning on using A513 type 5 DOM steel for the chamber is this a wise choice? I am open to suggestions on the chamber material if anything compares to the strength/cost ratio of the A513. I am stuck on whether to use copper,brass,steel, or aluminum for the barrel so any info or thoughts there are welcome. I was thinking 6061-t6 square bar for the breech and a few other odds and ends. I am not 100% on the final design yet but if I do need to construct a bolt I was thinking acetal(delrin) rod. So does anyone have any input on any of this?

I mostly lurk and admire everyone elses creations but I'm ready to join in on the fun.

P.S. All this material will be ordered from www.onlinemetals.com so if anyone knows any U.S. distributors of these materials for cheaper lemme know.

I am looking forward to your comments,info and suggestions
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Pneumatically Deconstructed
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Unread postAuthor: Gaderelguitarist » Sun Aug 22, 2010 12:28 am

www.mcmaster.com is a great U.S. based materials distributor.

As for your other questions, perhaps you could include a diagram of your current design. More information is needed to accurately judge the choice of materials, such as their application. I can, however say that delrin is a great low friction material for use in any moving part where friction is a concern. You might also use HDPE or nylon as well.
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so many muchness
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