The Siren Board

Discussion of Outdoor Warning Systems
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PostPosted: Sat Dec 26, 2020 8:53 am 
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Found this old full length Japanese film about an air raid on youtube. https://www.youtube.com/watch?v=ipPKW0Wq6PI Has a close up of a siren with audio (siren shown is a Hankoku turbo siren) at 50:43, and more audio at 1:07:50, with a lower tone siren as well as a siren that sounds like the earlier one. The sounds don't necessarily go with the picture, but given the era of the film, there is a good chance that one of sirens heard is a turbo siren. Seems like they were fairly common in Japan in the WWII era. Haven't been able to track down any other videos of Japanese turbo sirens, aside from a close up video of one on youtube that was deleted years ago.


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PostPosted: Wed Dec 30, 2020 8:10 pm 
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Real Name: Thomas Seminerio
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Hey, isn't that this siren by the way?


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Toshiba air compressed siren.jpg [ 111.97 KiB | Viewed 284 times ]

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So... Never heard a siren before :(
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PostPosted: Tue Jan 12, 2021 3:45 am 
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This is the only video i've been able to find of one of the pneumatic sirens


https://www.youtube.com/watch?v=5THz1jbt6nI

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PostPosted: Tue Jan 12, 2021 3:47 am 
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Synther wrote: *
This is the only video i've been able to find of one of the pneumatic sirens


https://www.youtube.com/watch?v=5THz1jbt6nI
That one is actually just a regular motor siren, not supercharged. The supercharged "turbosirens" are like the one Sheppardpat posted a picture of above, look very similar but have a smaller chopper assembly, and a large duct running from a blower assembly on the bottom of the siren into the chopper intake on top.


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