There's some kind of Sterling Denver like siren in Fitzhugh Oklahoma. 34.6669472,-96.7765621 Great find! That's a Sterling Duplex, and now the 4th known Duplex that's still in existence. It was right under our noses the whole time! Again I'm sorry for the bump, but is this the same as that one? htt...

There's a few ways to tell a pre-1928 from a post-1928, mainly if you look behind the stators. The post-1928 has a large ring behind the stator where the motor cover bolts to, pre-1928s lack this. Post-1928s also have the louvred vents on the intakes, most pre-1928s do not. Some pre-1928s do have ve...

Bumping is generally frowned upon on forums. Think about how long a year is, then think of how long 5 or even 10 years is. Reviving an ancient thread whose users may not even still be around on the board is a bit pointless. This is an excusable bump however, because the link is dead so it makes sens...

Another member here who's knowledgeable about the old Sterlings says the number at the end of the name indicates the year of manufacture, not a specific model. An M45 is a Model M built in 1945, for example. Yes, that applies for units built between 1945 and 1958. Anything before and after is just ...

Dude, this is a 10 year old thread. You can't tell what horsepower an M is by looking at it. Ms also don't have the horsepower in their name, they're just Sterling Model M or Sterling Code Siren for the "Y"s. Sterling Ms have a pre-1928 design and a post-1928 design, the first pic is a pre...

What was the point of bumping this just to say "Wow" exactly?

Another oddity from Quebec... who thought this was a good idea? https://www.google.ca/maps/@46.795644,-70.7497323,3a,21.7y,108.97h,96.09t/data=!3m6!1e1!3m4!1s-ecwwybMQw5hNZxAOqlfDg!2e0!7i16384!8i8192?entry=ttu Here's a single head pre-1928 M embedded in the roof of a fire station... https://www.goog...

JeroenTheEnthusiast wrote: ↑

Wed Feb 14, 2024 4:01 pm

The Engesig OMNI is a ripoff but its design sure is cooler than a Modulator...

It's not so much a ripoff as much as it is a Modulator with a custom shell by the looks of it. Engesig is partnered with Federal Signal themselves, so I'd be willing to bet the inside of the cells are the same.

It's a vent. The cover is one single large piece, instead of the rainshield/skirt combo the Screamer has. There's also no visible chopper/stator assembly, and the "motor" doesn't fit the proportions of any Screamer model.

I don't think it's too surprising H.O.R.s ended up in South America and Mexico. H.O.R. was based out of Arizona, which shares a border with Mexico. I don't think it's too much of a stretch for some to have been sold there, or ended up there after being decommissioned. A few H.O.R. Siro-Drones have e...