Lionel 2231540 O Scale LEGACY 0-6-0 Steam Locomotive Frisco SLSF 3801 BTO Mini T 2.0 The AR-1 uses tiny Opto-Sensors

The AR-1 uses tiny Opto-Sensors mounted between the rails where they are shaded from ambient room light by a piece of rolling stock

Power is delivered from the super high-torque gearbox to ultra grippy beadlock tires via nylon driveshafts

But because they were dry and clean

NWSL 28006 HO Scale Upgrade Steel Bevel Gear pkg(6)

The next evolution of model train couplers starts and ends with the Kadee® Whisker® series of couplers

Lionel 2231540 O Scale LEGACY 0-6-0 Steam Locomotive Frisco SLSF 3801 BTO Mini T 2.0 The AR-1 uses tiny Opto-SensorsLionel 2231540 O Scale LEGACY 0 6 0 Steam Locomotive Frisco SLSF 3801 BTO There's nothing like the sight of a fast freight highballing down the main but toiling away in yards and mills, switch engines like the 0 6 0 do the hard work that makes all of those other trains possible. Yard switching can be a great addition to any model railroad as well you don't need a huge empire to spend hours making up new cuts of cars, spotting loads and grabbing the