Nice! Export, PA has a 'Bolt 1003 and a Model X mounted in this same configuration. The 1003 is active for fire calls, but I believe the Model X is inactive. https://www.youtube.com/watch?v=X8C2n1wb7uc
One thing I've always wanted to see is if a rotor with a size such as an STH-10 could be supercharged by some sort of blower. However I think a blower powerful enough to supercharge it would be impractical and uncalled for in a standard outdoor siren system. I'd still like to see how much you could...
I live in Silver Lake, Indiana, which is right near the Norfolk Southern Marion Branch. There is an NS "diamond" (intersection) in Claypool, a town five miles north of me, and I can hear the horns clearly on most days. Sometimes I can hear the horns of trains from almost 10 miles away on ...
OMG! I had absolutely no knowledge of the siren in Fairfax! I'll have to go check it out sometime. The Warrenton STL-10 is still there, and is tested 3 minutes of attack every Saturday at noon. I know of a few other square-horned STLs in Delaware, Pennsylvania, and New York. If you want, I can send ...
Clearly, whoever built this "housing" is not knowledgeable about sirens. However, one may logically assume that the top is where the sound comes out since it would likely travel further.