How to Build It
1. Attach a small piece of tubing to the outlet on a 12-volt output pump [A].
2. Add an elbow fitting to the tubing, and connect a length of hose [B]. Run the hose to another elbow fitting, and screw that to a piece of plastic pipe [C].
3. Attach an elbow fitting to the other end of the pipe, and screw a showerhead [D] to it.
4. Wire the pump to a 12-volt car lighter plug [E], and drop the pump in a bucket of water.
The Tools A.12-volt output pump B.hose C. plastic pipe D. showerhead E. 12-volt car Lighter Plug
5. For a freestanding shower that can be attached to a cooler, add two extra solid pipes with couplers in line with the other solid pipe.
[Via PopSci.com]
Ooh what a great idea! I have a hatchback I'll have to try this.