Template:Air Raid Sirens Wiki/Did you know

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<option>that the ASC Tempest-128 was originally created under ACA as early as 1993, but was discarded in favour of the rebranded Penetrators?

File:T-128.jpg

</option> <option>that Denver Sirens had one of the first directional vane designs used on a siren rotor?

File:Denver Quad.png

</option>

<option>that the different models of Sterling Model M were in fact never named after their horsepower, and that the "Y-10" is in fact a Sterling Code Siren?</option> <option>that there was a variant of the Federal Signal Modulator 3012 with twice as many drivers, named the 3024H, which was exclusive to Hawaii? A Modulator 4032 also exists!</option> <option>that the curved rotor design of B&M's rotors were so efficient, that despite the sirens' small size, they could be heard for several miles away?</option> <option>that the Chrysler Air Raid Siren originally began as an experimental siren created by the E.D. Bullard Company and Bell Laboratories?</option>

<option>that a single System 7000 unit, a System 7026, still exists in Kuwait, on display?

System 7000

</option> <option>that there were two variants of the MKI Hurricane 130?

</option>

<option>that the Model 2 had a special Canadian variant, known as the Model 2-3Z or Canadian Model 2?</option>

<option>that the ACA Cyclone and P-50 have a unique "dual intake" rotor design possibly inspired by the Federal Signal 500-SHTT?

500-SHTT

</option>

<option>that all Federal Model 5 sirens built in or before 1959 have service panels, which post-1959 models lack?</option> <option> that the E.D. Bullard rotational siren is likely a product of R.J. Zievers, the same company who made the Scream Master? </choose>

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<option>that all Sentry sirens can be ordered with stainless steel and formerly fibreglass housings?</option> <option>that the Allertor 125 and Penetrator-10 were at one point produced together, despite the latter replacing the former?</option> <option>that a single CLM rotational siren is in service, in Alliance, AB?</option> <option>that Sterling Siren was originally called the Inter-State Machine Company?</option> <option>that the Swedish Electric Co. rotational siren was the first known rotational siren?</option> <option>that despite its name, the ASC T-128 actually outputs 129.5 dB at 100 ft?</option> <option>that there are two horn designs for the ASC T-128, due to differing molds?</option> <option>that the 2001 and 508 sirens still have parts reused from the Thunderbolt?</option> <option>that an ASC i-FORCE was once almost purchased and reverse engineered by a certain infamous company and was only caught from a slip up in the email?</option> <option>that half of Sarnia, ON's siren system, composed of ATI HPSS-32s, does not work?</option> <option>that the 16V1T-B was originally the 15V2T-B?</option> <option>that Fedelcode sirens with dampers had the "OC" suffix?</option> <option>that the Model series has 3 different sizes, the C1 1/2, C2 1/2, and C3 1/2?</option> <option>that the country of Taiwan uses sirens that are heavily inspired by the ACA Cyclone, including a single tone Cyclone copy?</option> <option>that the earliest known purpose-built outdoor warning electric siren was the Denver Type A, first designed in 1905?</option> <option>that there is a yearly convention for siren enthusiasts in Rhinelander, WI known as SirenCon?</option> <option>that the ACA Alertronic AL-6000R had an oscillating model, which gave it hard-wired drivers like a Whelen WS-3000/WPS-4000 or ATI HPSS-16R?</option> </choose>

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<option>that the Model A once had a vehicular variant?</option> <option>that many 1920s-30s era sirens from producers like Federal Electric and Sterling Siren have ended up in South America as hand-me-down equipment from various fire stations?</option> <option>that we have a Discord server?</option> <option>that we have 213 articles?</option> <option>that we have 947 files?</option> <option>that we have 11 active users?</option> <option>that the name of the founder of ATI Systems is Ray Bassiouni?</option> <option>that the B&M Super Chief's design was so efficient, the sirens would spin up on their own when the vehicle was in motion until it was changed?</option> <option>that before 1998, the 40V2T had the same horns as the 20V2T?</option> <option>that I'm Jim Biersach, president and general manager of Alerting Communicators of America?</option> <option>that the Equinox uses the rotor from an ECLIPSE-8, which sticks out into the rear housing and resulting in poor airflow?</option> <option>that the Chrysler Air Raid Siren had a variant called the Chrysler-Bell Gas Siren, which used the engine's own exhaust gas to supercharge it?</option> <option>that the H.O.R. Super Sirex was once called the "Granddaddy of All Sirens"?</option> <option>that the B-Series Thunderbolts was a failure not because of the new rotator, but because the rotor often fell out of alignment, getting stuck and burning out the motor due to the lack of an upper bearing?</option> <option>that the ACA Hurricane 130 MKII is better than the Thunderbolt, and that I am willing to die on that hill?</option> <option> that James Hedberg sourced his siren motors by raiding junkyards to take starter motors out of old Studebaker vehicles?</option> </choose>

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<option>that ACA was once owned by HÖRMANN GmbH under the American Signal name, and once resold the ECN?</option> <option>that the rotors of the ASC T-128 and 508-128 are nearly identical?</option> <option>that the Pulsator was so prone to freezing, policemen would beat the sirens with nightsticks to unfreeze them?</option> <option>that the RSH-10 had a planned low tone RSL-10 model that was never produced?</option> <option>that a Penetrator-25 was developed but never made it to production?</option> <option>that ATI originally used the same speaker arrays as the DSA?</option> <option>that friction sirens were once common until exploding rotors led to driver injuries?</option> <option>that the Mobil Directo BN44E could come in 8-port single tone by factory?</option> <option>that what people call the "Fedelcode Model 20" was actually 3 different sirens, the dual rotor Type Mach. 3, 5, and 10, and that the actual Model 20 was a much larger single rotor siren?</option> <option>that the CLM Type 5223 has the largest rotors of any electric siren at 26 inches, larger than even the ACA Cyclone 125 or Fedelcode Type Mach. 10? It even has two of them!</option> <option>that you are a wonderful person?</option> <option>that the Darley STH-10's core is upside down?</option> <option>that W.S. Darley & Co. had partnered with Federal, ACA and now Sentry?</option> <option>that the Model M was the first known dual tone siren?</option> <option>that the Fedelcode Type Mach. 10 has slightly larger rotors than the ACA Cyclone? (24 inches vs 23⅞)</option> <option> that Biersach & Niedermeyer Company's abbreviation they used was BNCO, not B&N? </choose>

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<option>that Canada has 6 Thunderbolt sirens, all 1003s?</option> <option>that the 2001-130 was made taller to fix an airflow issue caused by the collector ring tube and a support?</option> <option>that B&M is the oldest continually operating siren company, having been in business since 1913?</option> <option>that B&M stands for Bayless & Miles?</option> <option>that the ACA Allertor 125 outputs 125-127 dB at 100 ft, despite its name?</option> <option>that one industrial plant in Alberta has over a dozen Modulator 5020 units spaced within 2 blocks of one another?</option> <option>that the province of Quebec in Canada has a strange variant of the Model 5, known by some enthusiasts as the "Canadian" Model 5?</option> <option>that the Scream Master sirens were produced by a company known as R.J. Zievers, who also made wind machines?</option> <option>that the rotator on the E.D. Bullard rotational siren is taken from an R.J. Zievers "Frost Master" wind machine?</option> <option>that the oldest known dual tone siren still in existence is an 8/16 port Inter-State "Long M" located in Dolgeville, NY, dating back to 1912-1916?</option> <option>that the "Weltex" sirens are actually confirmed to be E.D. Bullard Model 3H sirens?</option> <option>that the Tempest series of sirens was named after ASC CEO Dale Moeller's car, a Pontiac Tempest?</option> <option>that you should always wear hearing protection around any operating siren, regardless of how loud it is or if it hurts?</option> <option>that 5 16-port Sentry 5Vs currently exist, including one in Canada, as of 2024?</option> <option>that there is a system of heavily modified, non-rotational EOWS*612 units in use at a hydroelectric dam in Quebec, with aftermarket speakers?</option> <option>that the Model M's intake vents were designed specifically to keep snow and ice out of the siren?</option> <option>that a Sterling Type F siren weighs over 15 pounds?</option> <option>that the Sterling Little Giant had a single headed counterpart?</option> <option>that the Sterling Little Giant is based on Sterling's Big Chief vehicular siren?</option> <option>that a Sentry F-2 operates at 14,000 rpm?</option> <option>that Sterling Model M Sirens were sold in 12/16 port dual tone configurations?</option>

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