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Air-brake systems may include a wig wag device which deploys to warn the driver if the system air pressure drops too low. Manual wig wag in warning position. This device drops a mechanical arm into view when the pressure in the system drops below the threshold of sufficient pressure to reliably deploy the brakes. [12]
It is not possible to tell if this wig wag was an OEM installation or after market addition. It does not replace the pop valves on the dash board for setting the brakes in the event of low pressure. It replaces the low air warning buzzer.Rvannatta 03:26, 29 November 2008 (UTC) I removed this comment:
Wig wag (washing machines), a solenoid design used in some brands; Wigwag, the Canadian version of the English Curly Wurly bar; Wigwag, a tool used in watchmaking for polishing parts; WigWag, a Nottingham–based website development and communication company; Wig-wag, a tool used to stack sheets of rubber compound into boxes or onto pallets.
Should a brake line split, or a carriage become uncoupled, the air pressure will be lost and the brakes applied, by springs in the case of trucks, or by a local air reservoir in trains. It is impossible to drive a truck with a serious leak in the air brake system. (Trucks may also employ wig wags to indicate low air pressure.)
US&S operated as an independent company until 1917, when it became a subsidiary of the Westinghouse Air Brake Company (WABCO). In 1968, American Standard purchased WABCO and reorganized US&S as a separate division. [6] In 1988, Ansaldo STS, a global supplier of signaling, control and automation systems, purchased US&S from American Standard.
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Albert Cameron Hunt (3 April 1857 – 2 October 1915) was an American electrician who invented the wigwag, a grade crossing signal used in transportation. [1] Hunt was a mechanical engineer from Southern California.
The term WAG, an acronym for wives and girlfriends, is typically used in relation to the high profile women associated with professional athletes. Recently, there seems to be a new addition to the ...