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burst disks

Post questions and info about combustion (flammable vapor) powered cannons here. This includes discussion about fuels, ratios, ignition systems, safety, and anything else relevant.
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burst disks

Unread postAuthor: potato launcher » Sat Sep 15, 2007 3:57 pm

how do you make 1.5 in. burst disks :?:
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Unread postAuthor: windshrike » Sat Sep 15, 2007 4:04 pm

Do you want to know what material or the entire thing including the holder?
Materials: aluminum foil, plastic wrap(several layers), or anything you can think of

The holder: It's a 1.5" threaded union. You hold the material over the female end and screw the male end into it(or vice-versa)

If you don't get that, try the wiki. If you are still confused, wait for someone else to repl.
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Unread postAuthor: potato launcher » Sat Sep 15, 2007 4:08 pm

OK know i get it thanks
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Unread postAuthor: CannonCreator » Sun Sep 16, 2007 2:43 am

ya but when you use burst disks make sure when your filling your chamber your behind the gun becuase, SOMETIMES homemade burst disks can be unpredictable.
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Unread postAuthor: spud yeti » Sun Sep 16, 2007 3:33 am

The burst disk material also depends pn the pressure you want to raise it to. It can vary from stickytape to plastic boards.
I suggest *aluminium foil for this size, and if you want higher pressures, double over the foil

*Yay for the proper spelling of "aluminum" foil :D
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really good quote/phrase here
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