Re: DCC Track Design for review
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Unless you are in a hermitically sealed perfect environment with perfect temperature "watch soldering your rails and joiners" especially on curves. Curves can open or close rail gage with temperature change. Long lengths if straight (straightish) rail can separate from or damage switches and/or buckle track. Better more feeders than rail damage. My suggestion is to find "your" perfect soldering iron, use rosin core solder or a high quality fluid and solid solder, and use three colors of feeder wire. One color for north rail, one for south, and a different color for frogs/switch points for consistency. The perfect soldering iron is the one that you can make clean consistent joints on rail with. Big or small, high or low watts doesn't matter, use what works for you. Practice on your scraps. With practice it becomes easy and you won't mind, besides I find feeders easier to solder than joiners.
Never use acid core flux or paste on tour layout. It will eventually cause your joint to fail. it will dissolve traces on pc boards, and it will travel by capillary action up along wires inside insulation and do hidden damage.
Ugh oh, sounds like preaching, hope it helps.
From: Annette and Dante Fuligni
Sent: Saturday, January 25, 2014 9:24 AM
Subject: [WiringForDCC] Re: DCC Track Design for review
I am not surprised by your experience. My approximately 8’ x 12’ doughnut with a relatively dense amount of track and many turnouts works very well without the usually recommended “feeder to every rail” or “solder every joiner” practices. When I first tested it with DC, I used only one set of temporary feeders. When I did DCC (Digitrax Zephyr Extra 3 amp), I placed feeders where needed because of frog isolation gaps (I have a few older power-routing turnouts). Rail ends were treated with No-Ox before joining and the W/S joiners on W/S Code 83 track are very snug compared to those by Atlas. The voltage level is even throughout. All locations respond to the “quarter test”. Admittedly, the room is climate-controlled. If I ever have to, I can add feeders and/or solder joiners (in-place). Why do all that extra work in the beginning (unless later access will be difficult)?
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