2T22 and 3T22: Difference between revisions
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|title= 2T22 and 3T22 | |title= 2T22 and 3T22 | ||
|image= [[File:3t22 official.jpg|thumbnail|3T22]] | |image= [[File:3t22 official.jpg|thumbnail|3T22]] | ||
[[File:2T22.png|thumb|A 2T22. Note the lack of solenoid boxes.]] | |||
[[File:IMG 0229.JPG|thumb|Inactive 3T22 in Wormleysburg, Pennsylvania.]] | [[File:IMG 0229.JPG|thumb|Inactive 3T22 in Wormleysburg, Pennsylvania.]] | ||
|company= [[Federal Signal Corporation]] | |company= [[Federal Signal Corporation]] | ||
Revision as of 22:46, 8 November 2017
| 2T22 and 3T22 | |
  | |
| Company | Federal Signal Corporation |
|---|---|
| Type | Electromechanical |
| Sound output | 113 dBc at 100 feet |
| Horsepower | 7.5 - 10 |
| Documentation | Manual |
General
The 2/3T22 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. The 3T22 model featured solenoids attached to the top and bottom intakes to produce a third signal. The 2T22 lacked the additional signal option.
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.