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For either use, the hands must also exert downward pressure while spinning the rod. As a result, the hands drift down the rod, and must be periodically raised to the top again. These interruptions can be avoided by cutting a notch at the top of the shaft, tying a cord through it, and then
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is the simplest primitive method to produce rapid rotary motion of a rod. It consists in holding the rod vertically between both hands and moving these back and forth, in opposite directions, as in rubbing them. The rod typically is one or two feet long and half an inch in diameter.
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inserting the thumbs through loops in the cord. However, skilled operators can either maintain pressure with their hands almost stationary vertically; or, in a movement comparable to
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This article is about simplest primitive drill. For other manually operated drill tools, see
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for drilling holes in hard materials such as wood, stone, or bone.
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Hand drills have been used by many primitive societies as a
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Primitive hand-drill used for carpentry work in
Palestine
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A hand drill with a hearthboard, used as a fire drill
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Handbook of
American Indians North of Mexico V. 1/4
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54:skill. A hand drill could also be used as a
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496:Native American use of fire in ecosystems
50:. It is still often learned as a useful
541:. Digital Scanning Inc. pp. 402–.
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140:Video showing the usage of a hand drill
116:was invoked but never defined (see the
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535:Frederick Webb Hodge (1 July 2003).
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112:Cite error: The named reference
486:Control of fire by early humans
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21:drill § Hand-powered
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281:Minimum ignition energy
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568:Mechanical hand tools
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573:Primitive technology
129:</references>
307:Solar Spark Lighter
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286:Smouldering
562:Categories
415:Char cloth
329:Pump drill
324:Hand drill
314:Fire drill
271:Combustion
211:Components
100:References
89:Pump drill
44:fire drill
36:hand drill
511:Pyromania
506:Pyrolysis
460:Tinderbox
445:Matchbook
440:Fire ring
420:Chuckmuck
372:Blowtorch
319:Bow drill
248:Wood fuel
118:help page
114:hodge2003
84:Bow drill
450:Matchbox
435:Fire pit
430:Fire pan
397:Electric
346:Fire-saw
243:Wood ash
228:Firewood
202:Glossary
192:Campfire
78:See also
64:floating
52:survival
382:Lighter
197:Bonfire
145:YouTube
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258:Topics
238:Tinder
481:Arson
465:Torch
392:Black
387:Match
356:Flint
233:Spark
218:Ember
543:ISBN
455:Punk
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