Pump Drill: Difference between revisions
From DT Online
m (Changed Image) |
(Added Template) |
||
Line 4: | Line 4: | ||
Originally used to drill small holes ''(and still used for some craft acitivites)'' they are now most commonly used in woodcraft and survival courses as a means of making fire by rapidly rotating one piece of wood against another to generate heat by [https://en.wikipedia.org/wiki/Friction#Kinetic_friction '''Friction''']. | Originally used to drill small holes ''(and still used for some craft acitivites)'' they are now most commonly used in woodcraft and survival courses as a means of making fire by rapidly rotating one piece of wood against another to generate heat by [https://en.wikipedia.org/wiki/Friction#Kinetic_friction '''Friction''']. | ||
{{Pump Drill Buyers Guide}} | |||
[[Category:Drilling and Boring]] | [[Category:Drilling and Boring]] |
Revision as of 18:50, 15 May 2016
A Pump Drill and its variant the Bow Drill, are two ancient devices powered by a simple twist of string.
Originally used to drill small holes (and still used for some craft acitivites) they are now most commonly used in woodcraft and survival courses as a means of making fire by rapidly rotating one piece of wood against another to generate heat by Friction.
Pistol Grip Hand Drill | Double Pinion Handdrill | Pin Vise Model Hand Drill | HSS 1-6mm Twist Drill Set | Bow Drill | Archimedean Spriral Push Drill |