2T22 and 3T22: Difference between revisions
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{{Infobox siren | {{Infobox siren | ||
|image= [[File: | |title= 2T22 and 3T22 | ||
|image= [[File:3t22 official.jpg|thumbnail|3T22]] | |||
|company= [[Federal Signal Corporation]] | |company= [[Federal Signal Corporation]] | ||
|type =[[Electromechanical]] | |||
|output= 113 | |output= 113 | ||
|neigh= 7.5 - 10 | |neigh= 7.5 - 10 | ||
|manual= http://www.civildefensemuseum.com/sirens/manuals/255A152H-2T22-3T22.pdf | |||
}} | }} | ||
Revision as of 02:48, 26 February 2017
| 2T22 and 3T22 | |
 | |
| Company | Federal Signal Corporation |
|---|---|
| Type | Electromechanical |
| Sound output | 113 dBc at 100 feet |
| Horsepower | 7.5 - 10 |
| Documentation | Manual |
The 2T22 was an omnidirectional siren produced by Federal Signal Corporation. The design features a single motor in the middle with a twelve-port rotor/stator set on top and a 10-port set on bottom. Both rotors measured 14 inches in diameter, and are identical to rotors used on the model 3 and 2001. A similar model featuring coding dampers was sold as the 3T22.
Both models were available in single and three phase versions. Three phase models used either a GE (early) or Marathon 10 horsepower motor. The only motor used on the single phase model was the Northwestern Electric 7 1/2 horsepower repulsion-induction motor.
A fully assembled siren weighs close to 700 pounds, including the pole mount bracket.