Carl von Linde was dead tired. The eminent engineer, considered the father of the modern refrigerator, had just returned to his home in Germany from a lect
How to Make a Slammin' Fire Piston for Under a Buck « Survival Training
A fire piston is a device used to create embers for starting a fire. The principle behind it is adiabatic heating. There are so many ways to create fire!
Best Fire Starter -- How to Make Char Cloth. This is a great fire staring material. This material works well with the flint/steel, piston or fire drill methods of starting fires.
The Best Wilderness Survival Training Program
Slam Rod Fire Starter - Ignition By Air! - another great "How-To in Minutes" video on building an acrylic fire piston using inexpensive materials.
Campfirepiston Hickory Fire Piston