Since your layout is flat, there is no need to worry about strain going up hill. This USA Trains 4 amp combination power supply and controller should be more than adequate. I t is designed for G scale.
https://www.onlytrains.com/model/trains/RTP4.html
Robby at RLD hobbies may have a better price. Trainworld is another option.
Have fun with your layout!
Loco Bill
https://www.onlytrains.com/model/trains/RTP4.html
Robby at RLD hobbies may have a better price. Trainworld is another option.
Have fun with your layout!
Loco Bill