Pump drill: Difference between revisions
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[[File:Annual_report_of_the_Bureau_of_Ethnology_to_the_Secretary_of_the_Smithsonian_Institution_(1881)_(19174966788).jpg|thumb|200px|Native American drilling with a pump drill.]] | [[File:Annual_report_of_the_Bureau_of_Ethnology_to_the_Secretary_of_the_Smithsonian_Institution_(1881)_(19174966788).jpg|thumb|200px|Native American drilling with a pump drill.]] | ||
A '''pump drill''' is a [[Fire#Production Techniques|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. | A '''pump drill''' is a [[Fire#Production Techniques|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. | ||
Revision as of 23:00, 29 March 2022
_(19174966788).jpg)
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.
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). | 
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External links
- Primitive Technology: Cord drill and Pump drill - Primitive Technology, 22 January 2016, YouTube