How to Make a Coffee Can Jet Engine.

Step 1: Materials

one large coffee can
one small coffee can
a 8"x8" piece of 1/4" plywood
bare steel wire
24" plastic tube 1/4"
small propane bottle
blow torch fittings
air pump for air mattress
1/2" wood drill
lighter
small paint can lid
gallon paint can lid
battery or other power supply

Step 2:

construct everything like the picture. red is the wires.

Step 3: