Flexible wind tube
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PIRA index: 3D30.35
Description
A flexible, corrugated plastic tube, hollow on both ends, is spun around in a circle. The air flowing through the tube creates a sound due to standing wave resonance.
Equipment
- wind tubes
Instructions
Hold the tip of the tube and swing it rapidly in a circle. If you swing it fast enough you will be able to hear the emitted sound. The pitch depends on the length of the tube and its velocity.
Keywords
frequency tube, wind organ pipe
Images & Movies
Figure1
