General Cannon Discussion

A place for general potato gun questions and discussion.
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  • graphite or aluminum? best for chrome bearings5.6mm 7/32&
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  • plug and play compressor?
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  • free chrono app really works??
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  • How to determine projectile velocity with a phone book
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  • Why do you have never done this?
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  • Golf ball tees for ammo?
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  • I need the help of the community
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  • Building a fuel meter
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  • seamless stainless steel tub
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  • I have a propane meter question
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  • Chamber fan. Do I really need it for propane meter injection
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  • Spring Gun Design Tool Thread
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  • I need a 6"-to-4" PVC reducer fitting... ?
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  • Dimensionally stable skirmishing projectiles
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  • Ha! Dutch PCP's pre-date Girandoni!
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  • Triggered Double Burst Disk Pneumatic
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  • 2" pistonvalve fittings for sale (BSP, stainless steel
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  • Portable Multi-Shot using a QEV and Schrader Valve Concept
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  • Chamber fan placement to ignition... ?
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  • shrader valve threads
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  • NEW - RJB INDUSTRIES Pro Gas Quantity Calculator ( GQC )
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