Clm Air Raid Siren
Despite its esthetic shortcomings and unhappy associations city of north vancouver councillors concluded monday that the citys cold war era air raid siren is a piece of history worth keeping.
Clm air raid siren. Its a single phase 220v siren. 11 2013 motor is 5hp 220v 3 phase 3500rpm 1012 porting manual switching for 3 pulses of attack followed by 15 seconds of alert. Full power run up of clm siren on sept. 120bd ms 590 motor driven metal horn industry boat alarm air raid siren us ship.
This is a test of my 1950s omni directional clm air raid siren. Hand held camera at 30. 12v automotive air raid siren horn car truck vtg motor driven fire rescue u o4n9. Published on dec 12 2010 this is my clm air raid siren.
12v air raid siren horn tornado alarm motor driven police fire classy 110db new. The clm siren is a very mysterious air raid siren indeed. The siren was mounted on a tower in victoria park in 1960 to warn residents in the event of a soviet nuclear attack. No one knows of its exact sound for certain.
Community content is available under cc by sa unless otherwise noted. As of 2013 there is one known clm siren in operation. The clm was a canadian warning siren made to alert those incase of a attack from the ussr. By use of varying tones or binary patterns of sound different alert conditions can be signaled.
Electronic sirens can transmit voice announcements in addition to alert tone signals. This siren hasnt been run for 30 years and the motor needs a bit of work. The chrysler air raid siren driven by a 331 cubic inch 54 liter chrysler hemi gasoline engine generates 138 db at 100 feet 30 m. I am running it off.