Instructables
Picture of Simple compressed air gun
This is a tutorial of how to construct a pneumatic air gun. This compressed air launcher has the ability to launch projectiles a large distance. This should be treated as a real gun, and never point it at another person, treat the gun as if it is loaded all the time. also put the projectile in the barrel before you pump the air cylinder tight just incase the valve releases or is knocked and fires the projectile.
 
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Step 1: Cutting the stock

firstly, the stock of the gun must be shaped and designed as to how you would like it. I have traced a marlin .22 , once the stock has been designed trace the outline onto 2 Lengths of wood at 15mm thick. or one solid piece at 30mm thick. Now that you have the outline on the wood, carefully cut on the outer side of this line with a jig saw cutter. This giving you your wooden stock.

Step 2: Compression cylinder

Picture of compression cylinder
Now that you have the stock it is time to construct the barrel, trigger and compression cylinder. To construct the compression cylinder I have used a 1.5L coke bottle, this bottle has whad a 19mm hole drilled in the base of it, and a 19mm clear tubing has been pushed in creating a tight fit, once the tube is in the base of the bottle I have used a hot glue gun to seal where the tube enters the hole In the base. this tube is connected to the plastic funnel shaped fitting that comes with a hand pump, yet again hot glue is used to seal this join. (also try adding cable ties around this join to give it extra strength). now that the back half of the compression cylinder is complete it is time to move onto the front half, where the bottle neck is, unscrew the cap and insert the 19mm pipe through the hole, as this is already a tight apply plumbing glue to the outer plastic tube and the inner bottle neck and firmly push the pipe into the hole.
-CCCP-2 months ago

Masher 007 would have spammed here, so I will do it for him.

rimar20001 year ago
Very good work.