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by Potatolauncher424
Sat Sep 07, 2024 9:06 pm
Forum: General How-To & Discussion
Topic: Newbie builder, need some help on a school project
Replies: 0
Views: 687

Newbie builder, need some help on a school project

Hey potato launchers! (or whatever y'all call each other! XD) I've been researching for a potato gun project at school and need some help. I can't use propellant so just air pressure for now. So far my materials are: Tank (4 in. pvc to 3 in. pvc) Valve (3x3 in.) Barrel (3 in.) Glue/Primer (8 oz each...