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Catenary construction tips?
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Catenary is actually a specific wire arrangement. Stiff lower wire supported by a wire(s) from above. These vary significantly from trolley style wires which are supported from the side mainly and do not have the second wire directly above. Catenary systems are under quite a bit of tension and are often used for high speed, long distance rail ines using pantographs for power pick up whereas trolley systems are often used in lower speed interurban systems using trolley poles for pick up. This is why I was asking about which prototype you intend to model. It will influence which system you build. <br /> <br />Br1116 and I disagree about Sommerfeldt wire. While it is the best of the commercially available wire, I feel that it is still way too heavy looking. That is why I scratchbuilt my wires. The problem in HO scale is that wires that are in scale are very thin and hard to work with. I have had operators reach right into a scene and hit the wires because they couldn't see them. One guy completly destroyed a wooden support pole this way. I still like the look of the finer wires. Look at some prototype photos and then pics of some of the commercial model stuff and you will see what I mean about how heavy it looks compared to prototype wire.
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