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ilike3t22
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Chopper level 21638623468 Thunderbolt 1000 (NOT MY VIDEO)

Tue Feb 25, 2025 3:40 pm

https://www.youtube.com/watch?v=UBTclKr ... c3&index=7
Last edited by ilike3t22 on Tue Feb 25, 2025 4:44 pm, edited 1 time in total.
viewtopic.php?p=226606#p226413 My favorite sirens!
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BananaSalad
 
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Re: Chopper level 21638623468 Thunderbolt 1000 (NOT MY VIDEO)

Tue Feb 25, 2025 4:11 pm

The high pitched sound is a combination of a high chopper speed level (most likely level 7) and a reverse wired blower.
Long-time siren buff hailing from the state of Oklahoma. 8-)
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ilike3t22
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Re: Chopper level 21638623468 Thunderbolt 1000 (NOT MY VIDEO)

Tue Feb 25, 2025 4:44 pm

BananaSalad wrote: ↑
Tue Feb 25, 2025 4:11 pm
 The high pitched sound is a combination of a high chopper speed level (most likely level 7) and a reverse wired blower.
Ok
viewtopic.php?p=226606#p226413 My favorite sirens!
I am read-only so I can not post anything for a while. (my current age: 11)

I got hit by an EF3 tornado on May 20, 2025
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fullsendersonly
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Re: Chopper level 21638623468 Thunderbolt 1000 (NOT MY VIDEO)

Tue Feb 25, 2025 7:26 pm

Thunderbolt? more like ATI.
MINI SIRENS not accepting orders yet. Proud owner of the final vertical B&M mystery siren. link for the continued forum on mini siren ideas/ordering(copy+paste into browser). viewtopic.php?t=30992
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ilike3t22
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Re: Chopper level 21638623468 Thunderbolt 1000 (NOT MY VIDEO)

Tue Feb 25, 2025 7:44 pm

fullsendersonly wrote: ↑
Tue Feb 25, 2025 7:26 pm
Thunderbolt? more like ATI.
I thought ATI's were 500hz. Are you talking about the ones with the wind-up?
viewtopic.php?p=226606#p226413 My favorite sirens!
I am read-only so I can not post anything for a while. (my current age: 11)

I got hit by an EF3 tornado on May 20, 2025
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Re: Chopper level 21638623468 Thunderbolt 1000 (NOT MY VIDEO)

Wed Feb 26, 2025 1:30 am

Early ATIs made in the very early 2000s used a 1000hz tone. There aren't very many left, since most ATIs from that era have long since died or had the controllers replaced.
Just a wolf, siren enthusiast and railfan.
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Re: Chopper level 21638623468 Thunderbolt 1000 (NOT MY VIDEO)

Wed Feb 26, 2025 3:31 am

ilike3t22 wrote: ↑
Tue Feb 25, 2025 7:44 pm
fullsendersonly wrote: ↑
Tue Feb 25, 2025 7:26 pm
Thunderbolt? more like ATI.
I thought ATI's were 500hz. Are you talking about the ones with the wind-up?
Here are a couple examples -
https://www.youtube.com/watch?v=E1ir7K1a1KE Nashville's old system, which was promptly replaced by a newer system

https://www.youtube.com/watch?v=ufnb9kFPu8s This video is what I believe to be one of the only known recordings of an ATI DSA-style array going off, the only other being the units in Florida.
Sirens may not be sexy, but they sure work.

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Brendan W
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Re: Chopper level 21638623468 Thunderbolt 1000 (NOT MY VIDEO)

Thu Feb 27, 2025 5:50 pm

I miss uncommonsense.
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ilike3t22
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Re: Chopper level 21638623468 Thunderbolt 1000 (NOT MY VIDEO)

Thu Feb 27, 2025 6:36 pm

Brendan W wrote: ↑
Thu Feb 27, 2025 5:50 pm
 I miss uncommonsense.
What do you mean? Is he gone for a long period or something?
viewtopic.php?p=226606#p226413 My favorite sirens!
I am read-only so I can not post anything for a while. (my current age: 11)

I got hit by an EF3 tornado on May 20, 2025
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Re: Chopper level 21638623468 Thunderbolt 1000 (NOT MY VIDEO)

Fri Feb 28, 2025 8:25 am

Brendan W wrote: ↑
Thu Feb 27, 2025 5:50 pm
 I miss uncommonsense.
Me too man, me too.....
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Have I heard a siren? Yes, The Darley 3V8 in Columbia, California doing a noon blast.
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