For this project, instead of trying to quiet his blower, he decided to make one as loud as possible in the form of an air raid siren. The basic idea behind [Matthias]’ air raid siren is to make ...

As a result, many systems were developed to survive a nuclear bomb, and perhaps none were more iconic or memorable than the incredibly loud air raid sirens used for drills. Although you wouldn't ...

First installed in the 1950s, they were developed for Cold War air raid warnings, but in the 1970s, the sirens transitioned ...

[MrExpert] is here with the build you need – an air raid siren you can print at home. It’s a simple build, which makes it fun and accessible for just about anyone with a 3D printer. Rotational ...