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kswx29
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Haifa, Israel Hörmann F71

Sat Aug 29, 2015 5:52 am

AKA those old air compressor sirens from Germany. I really like the sound of these, you heard them a lot in videos from Haifa in 2006 during the 2006 Lebanon War. This video features a full cycle of attack, start to finish. Unfortunately the video is very grainy, but the siren is seen on the right side.

I've also found the location of it on google maps!
https://goo.gl/maps/kgghN

Video:
https://www.youtube.com/watch?v=L244xwE4qC0
-Once known as 2t22boy (Dylan)
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connerdstines
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Re: Haifa, Israel Hörmann F71

Sat Aug 29, 2015 9:23 am

Boy, i'd love to get a look inside one of those.
Down to a Thunderbolt chopper, still a few goofy flashlight-siren combos, and a Model L.

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4J25
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Re: Haifa, Israel Hörmann F71

Sat Aug 29, 2015 2:08 pm

I love those things! They are amazing, and seem to be pretty darn loud too.
Christian Bricking, living in the Cincinnati Metropolitan Area.
Owner of a WPS-2804, Model L, and B9.
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DJ2226
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Re: Haifa, Israel Hörmann F71

Sat Aug 29, 2015 2:42 pm

connerdstines wrote:Boy, i'd love to get a look inside one of those.
http://www.microsofttranslator.com/bv.a ... e942f39d8f
Proud owner of a Model 1.
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Model2
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Re: Haifa, Israel Hörmann F71

Sat Aug 29, 2015 6:53 pm


Obesewalrus
 
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Re: Haifa, Israel Hörmann F71

Sat Aug 29, 2015 7:50 pm

So how are these working? Similarly to a Tbolt with a blower or what?

connerdstines
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Re: Haifa, Israel Hörmann F71

Sat Aug 29, 2015 9:25 pm

Obesewalrus wrote:So how are these working? Similarly to a Tbolt with a blower or what?
Sort of, they use pre-compressed air stored in a tank at the base, and the rotor is a disk with four holes instead of a slotted wheel. But yeah the concept is similar.
Down to a Thunderbolt chopper, still a few goofy flashlight-siren combos, and a Model L.

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Re: Haifa, Israel Hörmann F71

Sun Aug 30, 2015 4:55 pm

4j25 the loudnbess of these sirens is about 131 db at 100 feet making these the third ludest sirens in the world. so 1 metres away you have 161 decibel and thats insanely loud.

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Duderocks5539
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Re: Haifa, Israel Hörmann F71

Thu Dec 14, 2017 5:17 pm

Does anyone what HTZ these are?
Proud owner of a Federal Sign & Signal Thunderbolt 1000A, Federal Sign & Signal Model L, Darley Model 2-120 and a Model 120 from the San Onofre Nuclear Power Plant.
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Chem_Boffin_6589
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Re: Haifa, Israel Hörmann F71

Thu Dec 14, 2017 5:21 pm

Duderocks5539 wrote:
Thu Dec 14, 2017 5:17 pm
Does anyone what HTZ these are?
They're DC operated so hertz don't really matter. These sirens use a petrol powered or diesel powered compressor which are started using a deep cycle battery like a car.
Alfie Woolard
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Installed, initiated and maintains school campus warning system.
https://www.youtube.com/channel/UCtGVVz ... 8BQ47VmdHg

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