Survival Hack I 3 Bow-Drill Bearing-Block

3 Bow-Drill Bearing-Block Survival Hack

There are several elements to think about when building and effectively using a bow-drill friction fire set. From the readily available wood types to the cordage resources, there are several variables that you should control. You can significantly increase the chances of a quick ember by maximizing friction between the bottom portion of the spindle and hearth board and minimizing it at the top between the spindle and the bearing block.
3 low-friction bearing-block hacks you can experiment with are: using a skateboard wheel )the bearing in the middle provides nearly frictionless spinning), a shot glass, and a penny that has been battered right into a concave shape using a ball-peen hammer or metal punch (glue this into a depression carved into a wooden handhold.