Vol. 03: The Night Lighter 36

Launch potato projectiles 200+ yards with this stun-gun triggered, high-powered potato cannon with see-thru action. (Good thing potatoes are biodegradable.)

+ Downloads & Extras:

Materials list

36-inch length of 2-inch diameter transparent schedule 40 PVC pipe (1)

14-inch length of 3-inch transparent schedule 40 PVC pipe (1)

Used mainly in the food- processing industry, transparent PVC is available from industrial plastic suppliers such as Harrington Plastics or Ryan Herco. Check your local business listings. You can also order it from McMaster-Carr. Transparent PVC is generally expensive, but you might find reduced-price remnants at plastics suppliers or food-processing companies.

Large potatoes

3- to 2-inch diameter PVC reducing fitting socket: a.k.a. reducer coupling or bell reducer (1)

3-inch PVC female adapter (1)

3-inch PVC end plug (1): Use Schedule 40 grade for all PVC fittings. Source from large home or hardware stores or plastics suppliers.

PVC primer and cement: Available wherever PVC is sold.

Lexel sealant or other clear latex or silicone sealant

15/64-inch drill bit

15-inch long hose clamps (2)

1/4-inch bolts: 2 inches long, full threaded (2)

Stun gun, 100,000 volt output or better (1): Available from suppliers on the internet. I bought mine from Cabelas for less than $20.

Large crimp-on spade connectors (2)

Sanding drum for drill

1?4-inch hex nuts (4)

Crimp-on butt connectors (2)

2-foot length of insulated 12-gauge or thicker wire (1)

Small wire nuts (2)

Aerosol spray containing hydrocarbons: I used Right Guard Unscented.

Electrical tape

4-foot long/1-inch diameter wooden dowel, or broom handle (1)

Other Tools

  • Hacksaw
  • Drill
  • Screwdriver
  • Pliers
  • Wire strippers or knife
  • Wrench for 1/4-inch bolt

Join the conversation -- every MAKE article has an online page that includes a place for discussion. We've made these RSS and Atom feeds to help you watch the discussions: subscribe.