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Table-Top Air Raid Siren
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New design available here: https://www.thingiverse.com/thing:6644844
This is a design I made to incorporate MlePh's Air raid Siren (https://www.thingiverse.com/thing:1568198) into something powered by a DC motor. I originally planned to power it with two 9v batteries, but instead switch to using 4 AA batteries. I used a 12v fan in the final design and use a simple on/off switch to operate it. A simple ball bearing is used at the top to cut down on friction and wobble.
VERY LOUD
This is a design I made to incorporate MlePh's Air raid Siren (https://www.thingiverse.com/thing:1568198) into something powered by a DC motor. I originally planned to power it with two 9v batteries, but instead switch to using 4 AA batteries. I used a 12v fan in the final design and use a simple on/off switch to operate it. A simple ball bearing is used at the top to cut down on friction and wobble.
VERY LOUD
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