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blow gun can only take 90 psi?! does it matter?

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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Unread postAuthor: CS » Wed Oct 18, 2006 11:35 pm

Care to share where you derived this magical 2:1 safety ratio from? I got 10 spudbux it came straight out his arse...
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Unread postAuthor: aclark092 » Thu Nov 09, 2006 12:39 pm

I have always gone by the 150% rule. it says 90 may, so id say take it to 135 MAX
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