Clm air raid siren. No one knows of its exact sound for certain. Full power run up of clm siren on sept. 12v automotive air raid siren horn car truck vtg motor driven fire rescue u o4n9. This is a test of my 1950s omni directional clm air raid 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. I am running it off. The siren was mounted on a tower in victoria park in 1960 to warn residents in the event of a soviet nuclear attack. 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.
Published on dec 12 2010 this is my clm air raid siren. The clm was a canadian warning siren made to alert those incase of a attack from the ussr. It is located in dashwood ontario. 120bd ms 590 motor driven metal horn industry boat alarm air raid siren us ship.
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. Community content is available under cc by sa unless otherwise noted. Hand held camera at 30. It is believed and i believe so too to sound much like the famous minor third sounding 3t22.
The clm siren is a very mysterious air raid siren indeed. 12v air raid siren horn tornado alarm motor driven police fire classy 110db new. By use of varying tones or binary patterns of sound different alert conditions can be signaled. This siren hasnt been run for 30 years and the motor needs a bit of work.