The Siren Board

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PostPosted: Sun Sep 22, 2019 9:18 pm 
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Real Name: Jack Tischer
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Location: La Crosse, WI Area
I did a 6 PM blast of my Thunderbolt 1000T. The information tag on the side of the rotator box says that the type is a 1000 3 phase, but this siren has a dual tone 5/6 port chopper. The serial number is T-2356-D. I am pretty sure that this has an A series blower, making it a 1000AT.


https://www.youtube.com/watch?v=CfsdN-onkK8

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I currently own a Thunderbolt 1000AT and a FS Model 2-220.
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PostPosted: Mon Sep 23, 2019 11:54 pm 
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JackT2356 wrote: *
I am pretty sure that this has an A series blower, making it a 1000AT.
The "A" means it's 3-phase, a "B" means it's single phase.


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PostPosted: Sun Oct 20, 2019 7:54 pm 
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Real Name: Elizabeth Ogorek
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If I recall correctly, the last 2 digits of the serial number signify the year of installation. If so, then this siren was installed in 1956 and usds a 6M series A1 blower. Of course, the owner could have very easily gotten a different blower for it.

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PostPosted: Mon Oct 21, 2019 1:29 am 
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Real Name: Jack Tischer
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I did hear something about that the serial number was the year it was installed. This siren does NOT have an A1 6M blower in it. It looks to have a 7.5 3 phase motor in it. Also the blower was not changed since we got this.


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Jack Tischer
Siren and train enthusiast in WI.
I currently own a Thunderbolt 1000AT and a FS Model 2-220.
My YouTube channel: https://www.youtube.com/channel/UCMJFJW ... TDDppMgyHg
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PostPosted: Fri Oct 25, 2019 2:47 pm 
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You have a mid to late 60s 4M A2. Could even be early 70s but I am not sure. I have the tag from T-1843-D which was a 1963 1000AT. If I had to make a rough guess on when yours was built given the blower (4Ms hit the scene in 1965), I'd say yours is from approximately 1966-1967.

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PostPosted: Sat Oct 26, 2019 6:41 pm 
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That almost looks like a 5M. Need a photo where you can see the blower unit itself from above.

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