That's how I thought the motor would've been braked. Some of the local fire departments near me had Cyclones with this feature.

I read somewhere that the motor itself freezes up to create the pulse signal. Is this true?

Here is a pretty low mounted Model B in Gray, ME. It's a lot closer to the ground than it looks.

https://www.google.com/maps/@43.8850941 ... 312!8i6656

Canadian CLM sirens are pretty ugly. They look like big ol' steel flashlights with the back end being the handle. Omnidirectional EOWS sirens are also plain looking

ACAAllertorManiac wrote: Wow! There’s gotta be a few left, wouldn’t you think? We gotta get back to work hunting!

Thats what i was thinking! I have been looking, but its like a needle in a haystack. I may need some help finding them.

Trashbeam wrote: Purring Cat, what types of sirens does Indian Point Energy NPP use?

They use ATIs. Yuck!

UPDATE 8/3/2018 According to the Civil Defense Matching Funds List, Auburn, Lewiston, and Augusta may have had Thunderbolt units installed. If not, Allertors would've been in place.
In addition, Portland had 10 SD-10/2T22 units installed.

I found a promotional video of ACA's sirens on YouTube. To my surprise, i found footage of a Cyclone 125 being tested at the Maine Yankee Atomic Power Plant! In addition, the video mentions the quantities and types of sirens that were sold to Three Mile Island, New Jersey Public Service & Omaha ...

While going Siren hunting, i found a Model A. But what are those units next to it? This is located at the Plymouth Fire Department in Plymouth ME.Screen Shot 2018-06-25 at 10.10.16 PM.png :D Happy 10th Birthday To This Thread! :D The siren up front appears to be a Federal Model D, not an A. An A wo...

While going Siren hunting, i found a Model A. But what are those units next to it? This is located at the Plymouth Fire Department in Plymouth ME. Happy 10th Birthday To This Thread!