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Pump drill

A pump drill is a simple hand-powered device used to impart a rapid rotating motion to a rod (the spindle or drill shaft). It can be used for fire making or as a drill to make holes in various materials. It consists of: the drill shaft, a narrow board with a hole through the center, a weight (usually a heavy disc) acting as a flywheel, and a length of…

Art & Measurement

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Fire makingDrillFlywheelCordAuger
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Pump drill

Nodes9
Edges8
Triples1
Avg. degree1.78
Density0.222222
Components1

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Pump drill

Top relations

is a · 1
Pump drill → simple hand-powered device used to impart a rapid rotating motion to a rod

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Important terminology

shaft board cord hole weight drill top position simple used rotating usually length attached near bottom end slot citation needed

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Pump drillis asimple hand-powered device used to impart a rapid rotating motion to a rod0.90text

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