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srevac
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 Posted - November 16 2010 : 7:43:34 PM
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I just unpacked a Marx HO train set that I "inherited" many years ago and have become interested in its operation. The road crossing track is Marx but I don't know how it works. Was there a Marx terminal track? The other one is a bit of a mystery. It is not marked with anything other than an "L" on the bottom. I have other questions but I think I'll start with these. thanks
   
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Posted - November 17 2010 : 11:29:29 AM
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looks to me like uncoupling track 
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Posted - November 17 2010 : 1:09:58 PM
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| The top two photos are Marx accessory track. Used for operating crossings, watchman shanties, semiphores, etc.
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Posted - November 17 2010 : 1:53:26 PM
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* The first two photos, top and bottom views, are of a train sencing switch. the three screws are proably a common, normaly open, and normaly closed connecting screws. A single pole double throw switch. It can be used to operate accesories or controll a slot car crossing. The bottom track is just a rerailing rosd crossover. Also used for uncoupling.
frank
toptrain
" It's a Heck of a Day " !!!
Edited by - toptrain on November 17 2010 2:00:36 PM
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srevac
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Posted - November 27 2010 : 10:23:59 PM
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| Thanks for the response. Re: the rerailing road crossing, "also used for uncoupling"...any idea how this works as an uncoupler? Thanks.
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Posted - November 27 2010 : 10:54:05 PM
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quote: "also used for uncoupling"...any idea how this works as an uncoupler? Thanks.
Originally posted by srevac - November 27 2010 : 10:23:59 PM
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Easy...if you look at the 2nd item in the lower photo, you notice that it has a flared groove in the center. The hornhook couplers have plastic pegs which hang down, and when those pegs enter the groove, they're forced apart, and the cars uncouple. They're normally offset from the centerline of the couplers when engaged, so when they're forced to line up, the couplers then release. I think you have to stop the cars on the piece, maybe, so that the pull is off the couplers. Never used one before, truthfully. Just found 3 similar Bachmann pieces in my brass track recently, will have to actually see how it operates myself.
Jerry
" When life throws you bananas...it's easy to slip up"
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srevac
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Posted - November 28 2010 : 5:26:50 PM
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| Thanks for the reply AMC. I tried it and it worked sporatically.
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