Pump drill

A pump drill is a fire making technique that is a variant of the bow drill and uses a coiled rope around a cross-section of wooden stake spin the shaft by pumping up and down a cross-member.
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References
| This article uses material from the Wikipedia article fire_making, which is released under the Creative Commons Attribution-ShareAlike 3.0 Unported License (view authors). |
External links
- Cord drill and Pump drill - primitivetechnology.wordpress.com, 22 January 2016
- Primitive Technology: Cord drill and Pump drill - Primitive Technology, 22 January 2016, YouTube