CHAPTER 18
Hydrogen Pistol
Overview
This project makes a handheld pistol (Fig. 18-1) capable of launching a small projectile at moderate velocity using ordinary water as its source. It is a fun demonstration of the power of hydrogen gas.
Figure 18-1 HHO gas pistol.
Hazards
Eye protection must be worn when operating this device.
Difficulty
Simple to intermediate. The fabrication is relatively simple, but there is a fair amount of detail work ...
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