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Solenoid Controlled Pneumatic Gun

Parts

  • 4' long of 1.5" PVC pipe for the barrel

  • 3' long of 3" PVC pipe for the pressure chamber

  • A 3" end cap

  • A 3" to 1" reducer

  • A 1.5" to 1" reducer

  • 2 3" pieces of 1" pipe

  • A 1" solenoid valve

  • 3 9v batteries

  • A momentary switch

  • Some wire

  • Bike tire fill valve

Assembly

  • Glue the 3" end cap onto the 3' of 3" pipe

  • Drill a hole in the end cap the size of the fill valve

  • Glue the fill valve in the hole you made in step 2

  • Glue the 3" to 1" reducer onto the other end of the 3" pipe

  • Glue the 1.5" to 1" reducer onto the end of the 1.5" pipe

  • Glue one of the pieces of 1" pipe into each reducer

  • Wire together as shown below

solenoiddia.gif (13551 bytes)

 

Firing

 

      Fill the chamber to about 3/4 of the pressure your PVC is rated for, then load the same way you would load a normal combustion gun.  push the switch to open the valve and shoot out the potato.   When using a momentary switch the circuit will shut of as soon as you release it. 

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             2001 Spud Gun Central, Created by John Shortreed