Pneumatic Cannon 1/2 inch

 by pbpenguin5

Step 5: Glue!

now you need to add the primer and cement, at about the same time.

prime the inside of the elbows, T valve, and end caps. ( you might need to add the primer and cement to the pipe instead of the end cap with the tire valve so it will cover the whole inside of the cap.)

don't prime/cement the threaded ends or valves

 
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