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 Trains / *31939 (-5)
  Re: The Future of Trains
 
(...) Two-pole contact is needed. But most of the electrified railways use only one overhead wire (like the ex-Soviet loco in the photo). The only examples of more-wire systems I know about, are deep in the history: --Siemens' experimental (...) (17 years ago, 2-Oct-07, to lugnet.trains, FTX)
 
  Re: The Future of Trains
 
(...) The only issue with this is that standard catenary has a single wire to deliver current, and metal rails act as the "ground" for the circuit. One could instead adopt a setup like that used for electric buses in cities such as San Francisco, (...) (17 years ago, 2-Oct-07, to lugnet.trains, FTX)
 
  Re: The Future of Trains
 
(...) This reminds me - has anyone built a fully functioning overhead rail electric train layout where the power is provided by the overhead wires like this: (URL) This would alleviate the need for powered rails and do away with the battery issue. (...) (17 years ago, 2-Oct-07, to lugnet.trains, FTX)
 
  Re: The Future of Trains
 
Eric, I am considering buying stock in battery manufacturing. How about you? I have probably already spent a considerable sum of money on powering my Mindstorms robots. Maybe someone will design a butane based fuel cell that will work. Or perhaps a (...) (17 years ago, 2-Oct-07, to lugnet.trains)
 
  Re: The Future of Trains
 
(...) Hey Harvey, I think you missed the point in the original post by Steve. The next "Train" will have motors as well. What we do not know is if the motors will fit in existing locomotive designs allowing the trains to look realistic. If the new (...) (17 years ago, 2-Oct-07, to lugnet.trains)


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