Federal Model B port ratio and dB@100' It's Type B, not model. As far anybody has found, there were no official sound pressure ratings given, which isn't surprising considering the model was introduced back in the 1920s. Previous discussion estimates that it was likely in the 107ish dB range: https...

Evening everyone, Im looking for some information on the following sirens for my spreadsheet of information pinned at the top of the board. I was able to get everything on that spreadsheet but im struggling with the last bit left. Im aware some might not ever get filled in but I figured its worth a ...

Ah, thank you! As for the Sterling ports as far as is known to exist, the M-3 came in 8 or 16 port, the M-5 came in 8/16 and 16/16, and possibly 8/8. The M-10 came in 8/8, 8/16, 8/12, 12/16, and 16/16. The Y-10 is only known to have 8/16 and 16/16, and the Little Giant is 12/12. The 8/12 and 12/16 ...

I'm a little confused, the specs sheet says the Thunderbolts are 10HP, but aren't they 2HP, since they're basically supercharged Model 2s? Or is it referring to the blower? 10HP total chopper, rotator, and blower Ah, thank you! As for the Sterling ports as far as is known to exist, the M-3 came in ...

carolinasignalco wrote: ↑

Fri Jan 21, 2022 1:00 pm

wow somebody put some serious work in on this one

Its taken me awhile thats for sure

Pretty cool! Missing the Sterling K-5, all Darley's, Sterling/Darley 3v8, 2v8, Sterling Little Giant, Erick and Denver sirens, the Chrysler sirens, Scream Master sirens, Loudon sirens, the Federal Mach 7, Federal Fire Siren ("Lion"), Federal Model B, Thunderbolt 2000, Federal/Fedelcode Mo...

Snowpix wrote: ↑

Fri Jan 21, 2022 10:16 pm

I'm a little confused, the specs sheet says the Thunderbolts are 10HP, but aren't they 2HP, since they're basically supercharged Model 2s? Or is it referring to the blower?

10HP total chopper, rotator, and blower

Evening everyone, I've been working on this spreadsheet off and on for about two years now with Kurt, and I think I'm at the point where I can release it. A big siren spec spreadsheet, it includes the major brands FS, FS&S, ACA, ASC, Whelen, Sentry, and smaller ones such as Sterling, Red Arrow, ...