Thunderbolt Restoration - Air Raid Sirens
This is the hideous single-tone rotor that arrived in this 1000T. Perhaps the siren's original dual-tone rotor failed, but more likely it was "junkyard swapped" after removal from service. The …
Thunderbolt sirens... any value estimates? - The Siren Board
2013年6月24日 · The January 1, 1979 Federal Signal Price List lists the price of a new 1000 Thunderbolt siren from $6684.25 up to $7716.75 depending on the model. In addition to that …
Thunderbolts In Existence "Spinoff" maps - The Siren Board
2022年1月26日 · Indiana-based Thunderbolt fanatic who finally heard his first Thunderbolt on October 2nd, 2018. Owner of The Thunderbolt Siren Map since May 19th, 2021. All of my …
Thunderbolt Serial Number Registry - The Siren Board - Air Raid …
2019年11月6日 · Sorry if this is the wrong forum, but me and a few other users are starting a serial number registry for the pre-1976 thunderbolts (ones with T-XXXX-D or T-XXXX) and I …
Thunderbolt Variants and What They Mean. - The Siren Board
2024年12月2日 · And to answer some of the variant questions, the Thunderbolt you're friend is going to see is a Thunderbolt 1000T with either a 5M or 4M 3-phase blower. The "A" means it …
The Official U.S.A. Siren Map - The Siren Board - Air Raid Sirens
2022年3月12日 · After many years of hard work thanks to lots of hard working contributors, I give you the "Official U.S.A. Siren Map" Over 50,000+ across all 50 states. Please note that the …
Thunderbolt 2000 siren map - The Siren Board - Air Raid Sirens
2023年1月29日 · Thunderbolt 2000 siren map Sun Jan 29, 2023 10:34 pm Hello everyone, i’m currently working on a thunderbolt 2000 siren map, and i was wondering if i could get some …
The Official NC Siren Map (BIG update 7/25/2021)
2019年7月15日 · It's taken awhile, but I've now completed the siren map for North Carolina! Its 20+ years of memories, notes, sightings, websites, and other enthusiasts' reports. PLEASE let …
The very last Thunderbolt model - The Siren Board
2017年3月17日 · WHOA WHoa whoa, hold on, the Thunderbolt never had this rotator. That rotator came out in 2003. Actually yes it did, and it was the first siren to have it. It was a …
Thunderbolt Siren Coverage Area - The Siren Board - Air Raid Sirens
2015年9月5日 · Re: Thunderbolt Siren Coverage Area Sun Sep 06, 2015 12:18 am Chicagosiren-hunters wrote: Also, there was a rumor that a Thunderbolt 1000 could reach 131 Db's with an …