Use an air compressor. Find a tire air filler and fill the bottle with air. We fill our bottles to about 50-80 psi. While you're filling the bottle ...
Here's an easy ten minute rocket. My younger brother and I have lots of fun making this. We used an an inner tube, drill, drill bits, a rod, duct tape, a plastic soda bottle, wood, metal hammer, pvc pipe, and a utility knife.
Bio:I am a farm kid and my dad is also a builder, so my younger brother and I like playing on the computer, making rockets and other cool things from Instructables and other places.
I'm not on Facebook b...read more »