Quote:
Originally Posted by SonoranWraith
Yeah I think the transmissions are one of those things that doesn't translate from the 1:1 to scale modeling. Diesel engines work in a narrow range so the transmissions are geared to keep them working in that range. The electric motors we use provide a lot more range and at small scale you need slow with power so a low gear and a high gear really provide all you need.
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You are quite correct.
The RS540 is quite a broad range and torquey motor.
If someone was seeking scale realism in perfomance (as many do in railroad models) a electric motor of narrower performance range could be selected to simulate the diesels performance. Perhaps the RS555. It is likely that such a motor would draw considerably less amperage than the average RS540 so far greater running times may also be achieved along with the more realistic performance.
It would be a matter of individual taste....