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A 2 amp power pack should meet all your power needs if limited to 2 motors (single engine with 2 motors like the GP-38) or a small powered engine with powered tender.
Adding passenger cars with lights could tax this setup.
Since you are indoors with small/tight curves, the bigger engines with more current draw can not be run like SD-45's, dash9, PA's.
Of course, if you try to tun 2 gp's, they will not run unless you go to more current.
Adding passenger cars with lights could tax this setup.
Since you are indoors with small/tight curves, the bigger engines with more current draw can not be run like SD-45's, dash9, PA's.
Of course, if you try to tun 2 gp's, they will not run unless you go to more current.