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About: Whirly tube     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:WikicatExperimentalMusicalInstruments, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: Thingagentyago:WikicatToyInstrumentsyago:Artifact100021939yago:Device103183080yago:Instrument103574816yago:Instrumentality103575240yago:MusicalInstrument103800933yago:Object100002684yago:PhysicalEntity100001930yago:Whole100003553yago:WikicatExperimentalMusicalInstruments New Facet based on Instances of this Class

The whirly tube, corrugaphone, or bloogle resonator, also sold as Free-Ka in the 1960s-1970s, is an experimental musical instrument which consists of a corrugated (ribbed) plastic tube or hose (hollow flexible cylinder), open at both ends and possibly wider at one end (bell), the thinner of which is rotated in a circle to play. It may be a few feet long and about a few inches wide. The faster the toy is swung, the higher the pitch of the note it produces, and it produces discrete notes roughly belonging to the harmonic series, like a valveless brass instrument generates different modes of vibration. However, the first and the second modes, corresponding to the fundamental and the second harmonics , are reported as being difficult to excite. To be played in concert the length of the tube mu