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[quote]QUOTE: Originally posted by BNSF SD70MAC I call them SD70MDC's because that's what thay are,Thay have DC traction motors insted of AC. I just don't understand why thay don't them that. Thay call an SD70MAC an SD70MAC, and yet thay don't call an SD70M an SD70MDC same as an SD70MAC. You where im coming from? BNSFrailfan. [/quote] LOL, always thought AC/DC was a pop music group. Sorry guys, [:D] I know I have bad humor, [:D][}:)] I am just a simple model railroader from Europe. But, I’ll just wonder........ In modern model railways, we have Digital power to feed our (model) trains. In Europe we have Marklin and a few who are AC powered en well.... the rest is DC power. Due the come of digital power it possible to use components of both systems because we have digital systems which we call Multi-protocol. (E.g. the Intelibox from Ulhenbrock) Of course not the loc's since DC track hasn’t the power pick-up in the middle of the track. but more like decoders and ocupation devises and such. But how is this in real life locomotives? Is it by the big example still an issue whether a locomotive is AC or DC? Or would they be able to solve it like we modelrailroaders do it with digital power or something like that? Just curious, that’s all Thanks for you’re reply in advance. Krgds Cor
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