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Re: Colorado & Southern #21

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Etrump

November 11, 2009 02:03PM

Registered: 16 years ago
Posts: 774

Good photo of the operting mechanism of a Swift Train order signal.

Notice the coil spring that tends to return the signal aspect to the "stop" position if the lever gets bumped from the "Clear" latched position....

A "fail-safe" characteristic akin to the counterweights on the blade-type semaphore train order signals that tends to default them to the "stop" position unless pulled and latched to "Clear" by the operator.

Thus a broken cable or other linkage could not result in a false "clear" indication of the signal.

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Subject	Author	Posted
Colorado & Southern #21	Fritz N. Kuenzel	November 09, 2009 07:21AM
Re: Colorado & Southern #21	Tim Schreiner	November 09, 2009 07:33AM
Re: Colorado & Southern #21	hank	November 09, 2009 09:14AM
Re: Colorado & Southern #21	Ken Martin	November 09, 2009 03:01PM
Re: Colorado & Southern #21	southparkline1	November 09, 2009 05:31PM
Re: Colorado & Southern #21	Fritz N. Kuenzel	November 09, 2009 07:35PM
Re: Colorado & Southern #21	hwcwsl	November 09, 2009 11:54PM
Re: Colorado & Southern #21	Etrump	November 10, 2009 03:57PM
Re: Colorado & Southern #21	southparkline1	November 10, 2009 05:16PM
Re: Colorado & Southern #21	Mike Trent	November 10, 2009 07:34PM
Re: Colorado & Southern #21	Tim Schreiner	November 11, 2009 08:07AM
Re: Colorado & Southern #21	myork	November 11, 2009 10:30AM
Re: Colorado & Southern #21	Etrump	November 11, 2009 02:03PM

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488 stops for water at Los Pinos tank on closing day Oct. 1979. Photo courtesy Don Richter

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