Cold War Air Raid Siren
Its remarkable specifications include a compressor discharge volume of 2600 cubic feet per minute at 7 psi and a residential.
Cold war air raid siren. During the cold war period there were 7000 electrically operated and 11000 hand operated sirens. A few lasted a little longer as flood warning and other local emergency purposes in some areas. A mechanical siren uses a rotor and stator to chop an air stream which is forced through the siren by radial vanes in the spinning rotor. The chrysler air raid siren remains the loudest siren ever produced.
An example of this type of siren is the federal signal 2t22 which was originally developed during the cold war and produced from the early 1950s to the late 1980s.