2. BUILD THE LAUNCH SYSTEM
2a. Wrap teflon tape around each
of the ¾" male threaded × ¾" female
slip PVC adapters. Thread the adapters onto the ¾" inline 24V electric
sprinkler valve and tighten with
channel-lock pliers.
2b. Cut a 3" length of ¾" PVC and a
16" length of ½" PVC. Glue the 3" piece
into the “In” side of the sprinkler valve.
Glue the ¾" male slip × ½" female slip
reducer and the 16" length of ½" PVC
into the “Out” side of the valve.
2c. Glue the 2" male slip × ¾" female
slip PVC reducer bushing into the tee
on the pressure chamber.
2d. Glue the completed launch
assembly into the pressure chamber.
Your air launch system is complete.
! WARNING: Wrap
the pressure chamber with
several layers of duct tape
(not shown) to prevent
injury in case the chamber
shatters under pressure.
Make: 107
