How to Build a Storm-Door Pneumatic Cylinder By Benjamin Kidd Credit to http://wolfstone.halloweenhost.com/Welcome/Welcome.html for the idea ENGR-162/12 – Benjamin W. Kidd

ENGR-162/12 – Benjamin W. Kidd Tool List Phillips Screwdriver Epoxy Dispenser Round File Hack Saw Clamp Drill Bits Drill ENGR-162/12 – Benjamin W. Kidd

ENGR-162/12 – Benjamin W. Kidd Materials Pneumatic Door Closer - Available at Lowe’s for $8 (Note that these type of closers typically require about 30 to 35 PSI to extend the piston fully. Be sure to obtain epoxy and pneumatic components rated above this pressure.) ENGR-162/12 – Benjamin W. Kidd

Step 1: Remove End-screw ENGR-162/12 – Benjamin W. Kidd

ENGR-162/12 – Benjamin W. Kidd Step 2: Extend Piston Use “propping-clip” to hold piston extended by 2” to 3”. Keeps piston head out of harms way during drilling, gluing, etc. ENGR-162/12 – Benjamin W. Kidd

ENGR-162/12 – Benjamin W. Kidd Step 3: Secure Cylinder ENGR-162/12 – Benjamin W. Kidd

Step 4: Cut Off 2nd Hinge Point ENGR-162/12 – Benjamin W. Kidd

Step 5: Drill Out Air Inlet ENGR-162/12 – Benjamin W. Kidd

Step 6: Prepare Air Connector ¼” NPT Male-to-hose-barb Modified Connector ENGR-162/12 – Benjamin W. Kidd

Step 7: Prepare Air Connector Secure Connector Cut 3 Barb sections off the connector. ENGR-162/12 – Benjamin W. Kidd

ENGR-162/12 – Benjamin W. Kidd Step 7: Continued (C) File any burs or sharp edges off. Finished connector ENGR-162/12 – Benjamin W. Kidd

Step 8: Epoxy in NPT connector Evenly coat the connector barbs in epoxy Push connector into air inlet and turn to spread epoxy evenly Hold in place for 5 minutes ENGR-162/12 – Benjamin W. Kidd