If you look for another identical Locomotive check with the seller if it has one or two motors. For some odd reason when Lionel went to the can motor power trucks some came with one motor/driven truck and others with two motors/driven trucks while the exteriors were the same. Lionel SD28 DM&IR and the 1990 Railscope GP9 are examples of engines that came with either one or two motors.
Modeling the "Fargo Area Rapid Transit" in O scale 3 rail.
I run in conventional mode; I have not installed a TMCC system.
Dennis's NW-2s are examples of universal-motor locomotives, which, as I mentioned above, do run well together despite different individual characteristics. That's one reason why electric and diesel-electric prototype locomotives traditionally use series-wound motors (which a universal motor is a type of).
I run two 623s (postwar NW-2s) back-to-back with their motors wired in series, to get very slow operation and ample drawbar force.
Bob Nelson
Are you talking TMCC/DCS or conventional operation?
Locomotives with universal motors generally work well together. Those with can motors will also--if the locomotives run at nesrly the same speed when run together on the same track, but uncoupled from each other. The problem is that a permanent-magnet can motor wants to run at a particular speed that is proportional to the track voltage. If one locomotive's natural speed is significantly faster than the other's, the slower one will go from pulling the train to acting like a dynamic brake, taking energy from the faster one.
So compare the locomotives' speeds running "light" together but uncoupled. There is a good chance that they will work together if they are the same model.
Hello all. I have a Lionel 6-28874 (UP GP9 with dual motors) and I am considering purchasing a second one and lashing the two together. I have not ever "lashed" two powered units and am seeking some guidance:
1) As a rule do lashed units run well together?
2) Is it a safe assumption that you can pull a longer consist?
3) Any tips, advice, warnings?
Thanks much. Paul
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