Thunderbolt: Difference between revisions
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{{Infobox siren | {{Infobox siren | ||
|image = [[File:Thunderbolt Pole Mounted Official.jpeg|200px]] | |||
|company= [[Federal Signal Corporation]] | |company= [[Federal Signal Corporation]] | ||
|produced=1952-1990 | |produced=1952-1990 | ||
|type=[[Electromechanical]] | |type=[[Electromechanical]] | ||
|output=126 | |output=126 | ||
|succeeded=[[ | |succeeded=[[2001SRN]] | ||
}} | }} | ||
[[File:Thunderbolt Exploded View and Parts List.jpeg|thumb|An exploded view of the Thunderbolt siren as well as a parts list for the siren.]] | |||
The '''Thunderbolt''' siren was a supercharged electromechanical siren produced by Federal Electric, which later became known as Federal Sign & Signal and Federal Signal. The '''Thunderbolt''' has seven chopper levels, or voltage settings, that allow the pitch to be adjusted on the chopper, the '''Thunderbolt''' can come in three port ratios, 5 Port, 4/5 Port, and 5/6 Port. | The '''Thunderbolt''' siren was a supercharged electromechanical siren produced by Federal Electric, which later became known as Federal Sign & Signal and Federal Signal. The '''Thunderbolt''' has seven chopper levels, or voltage settings, that allow the pitch to be adjusted on the chopper, the '''Thunderbolt''' can come in three port ratios, 5 Port, 4/5 Port, and 5/6 Port. | ||
Revision as of 00:54, 3 January 2014
| Thunderbolt | |
[[File: |200px]]
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| Company | Federal Signal Corporation |
|---|---|
| Produced | 1952-1990 |
| Type | Electromechanical |
| Sound output | 126 |
| Succeeded by | 2001SRN |
The Thunderbolt siren was a supercharged electromechanical siren produced by Federal Electric, which later became known as Federal Sign & Signal and Federal Signal. The Thunderbolt has seven chopper levels, or voltage settings, that allow the pitch to be adjusted on the chopper, the Thunderbolt can come in three port ratios, 5 Port, 4/5 Port, and 5/6 Port.
Thunderbolt 1000
The Thunderbolt 1000 is a single-tone siren. The 1000's chopper has 5 ports.
Thunderbolt 1000T
The Thunderbolt 1000T is a dual-toned siren. The 1000T can come in 4/5 or 5/6 port ratios, which correspond to minor 3rd and major 3rd intervals, respectively.
Thunderbolt 1003
The Thunderbolt 1003 uses two solenoids that are attached to the throat of the horn. Each solenoid has a gate that closes off one row of ports on the stator. They are used to create alternating steady, alternating wail, pulsed steady, and pulsed wail signals, which can be used as a fire warning. Otherwise, it is identical to the 1000T.
Other models
Thunderbolt 2000
The Thunderbolt 2000 is a single-tone and dual-tone variant from the 1950s with a gas-powered blower.
System 7000
The System 7000, a variant of the original Thunderbolt versions, is equipped with a self-contained generator. This particular series came in three versions; the 7012, corresponding to the 1000. the 7022, corresponding to the 1000T. and the 7026, corresponding to the 1003.