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Thread: Compilation of warning sirens - GIF

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  1. Jan 21, 2025, 12:32 PM #3
    Floradawg
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    Quote Originally Posted by desbromilow View Post
    anyone ever built one of these sirens? specifically I want to know how close fitting the rotor and vane need to be for it to work well? the one I want to make is a version of the handcranked air raid type siren (about 75mm (3") rotor diameter.

    thanks,
    Des
    I did a search on Screwtube for "diy mechanical siren" and there are some on there.
    Stupid is forever, ignorance can be fixed.
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  2. The Following User Says Thank You to Floradawg For This Useful Post:

    desbromilow (Jan 21, 2025)
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