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by Charlie Davidson
Sun Jan 25, 2009 1:02 am
Forum: Main Outdoor Warning Sirens Board
Topic: When this tornado struck ... no sirens warned downtown
Replies: 3
Views: 2561

Sounds sorta like us. We have a couple of sirens in Dickson, but nowhere near enough. If we could at LEAST get some at each school here in Dickson, TN, it would be enough to cover the city of Dickson at least. If only I could talk our city into getting a full outdoor warning system.. As for now the ...
by Charlie Davidson
Mon Jan 19, 2009 4:32 am
Forum: Main Outdoor Warning Sirens Board
Topic: Thunderbolt Siren Rotator Question
Replies: 6
Views: 3519

Thunderbolt Siren Rotator Question

Please watch the video, and comment or respond with a video. :)
http://www.youtube.com/watch?v=mPKvhu4cKko
by Charlie Davidson
Mon Jan 19, 2009 2:18 am
Forum: Main Outdoor Warning Sirens Board
Topic: Question
Replies: 6
Views: 3749

There are also a couple of 1003's in Derek Thompson's area in South Dakota as well. One at an Fire Department[url] and one on a [url=http://www.youtube.com/watch?v=4I_uQ-ByqwI&feature=channel_pageurl]Police Station[url]. the URL contains a malformed video ID I am completely aware of that, I jus...
by Charlie Davidson
Mon Jan 19, 2009 2:13 am
Forum: Main Outdoor Warning Sirens Board
Topic: Question
Replies: 6
Views: 3749

There are also a couple of 1003's in Derek Thompson's area in South Dakota as well. One at a Fire Department (http://www.youtube.com/watch?v=ydp6iANa ... annel_page) and one on a Police Station (http://www.youtube.com/watch?v=4I_uQ-By ... annel_page).
by Charlie Davidson
Sun Jan 18, 2009 3:16 pm
Forum: Main Outdoor Warning Sirens Board
Topic: Look Familiar???
Replies: 7
Views: 3745

Re: Look Familiar???

Robert Gift wrote:What are the plates?
Weights which determine overpressure blow-off?
Thank you.
Those are for a pressure release if the pressure inside builds to 10psi or more. Their basically a pressure-limited relief valve, used both on this thing and Thunderbolt blowers.
by Charlie Davidson
Sun Jan 18, 2009 12:23 am
Forum: Videos and Media
Topic: Hitachi siren?
Replies: 15
Views: 9607

(can anyone translate the video description?)

This speaker is used by firefighters in case of fire (in case of a fire siren sounds) or the police if you have to give notice. Every day at 4 pm, this sounds musiquita terror. In Hanyu shi, Japan

There you go. :D
by Charlie Davidson
Sat Jan 17, 2009 10:20 pm
Forum: Main Outdoor Warning Sirens Board
Topic: Thunderbolt 1000 @ Glencliff High School in Nashville, TN
Replies: 38
Views: 12860

Do you know when the Hillsboro High Tbolt was taken down? Maybe I just imagined seeing it previously. I was on that side of town today, so had opportunity to look..and it's definitely gone. I was in the Donelson area a few months ago and noticed that the Tbolt at McGavock Elementary was still there...
by Charlie Davidson
Sat Jan 17, 2009 7:04 pm
Forum: Videos and Media
Topic: Hitachi siren?
Replies: 15
Views: 9607

LMAO, I don't think I've EVER heard a siren like that! That's pretty interesting, thanks for sharing!

It does look/sound like a Japanese siren, but I could be wrong.
by Charlie Davidson
Sat Jan 17, 2009 5:35 pm
Forum: Videos and Media
Topic: What kind of siren? Ebensburg, PA
Replies: 6
Views: 3599

Archon wrote:It is a 3T22
Yes. The problem with that particular xT22 is that the top intake is either blocked it if it is a 3T22 the top damper is closed or jammed shut. Basically you're only hearing the lower tone of the xT22 in that video.
by Charlie Davidson
Sat Jan 17, 2009 3:30 pm
Forum: Videos and Media
Topic: What kind of siren? Ebensburg, PA
Replies: 6
Views: 3599

Archon wrote:It is a 3T22
Yes. The problem with that particular xT22 is that the top intake is either blocked it if it is a 3T22 the top damper is closed or jammed shut. Basically you're only hearing the lower tone of the xT22 in that video.

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