I'm trying to incorporate a pneumatic whistle in a design I'm working on (driven by CO2 cartridge) and I've been looking around the Web (with no success) to see if I can locate a drawing of some geometry. What I'm hoping to find is something like a police whistle or recorder (flute) geometry. Anyone ever done a whistle like this, or have seen such a model?
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TIA Mark 'Sporky' Stapleton Watermark Design, LLC
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