Flywheels - When incorporated in model train locomotives, these circular metal weights improve low speed operation, while allowing a train to coast, rather than abruptly slow down, or stop, when the throttle speed is reduced, or switched off.
Instead, the power is transferred from the diesel engine to the wheels by a hydraulic system (probably something similar to a fluid flywheel). According to one web site, diesel-hydraulic locomotives have not been used in Britain for many years.
The first mainstream timetable service for the flywheel railcar was launched in February 2006 providing the Sunday service on the short link between Stourbridge junction and Stourbridge Town in the United Kingdom.
Classification by use ...
Several other options are available to improve this basic operation such as quality of the electric motor, weight and flywheels. The better quality of the motor, the smoother it will turn with less electricity applied to it.
Look for models with all-wheel pick-up and all-wheel drive, and also models with flywheels. The flywheels provide momentum and smooth operation and let the locomotive glide over short sections of dirty track inconspicuously.
Flywheels help. All wheel pickup helps. However, we are living with problems instead of fixing them. Grit your teeth. Prove your courage. Most likely, there are only one or two turnouts with OHM bugs. Squash those bugs!! ...
Then as it leaves the station and returns to the non-isolated track, it speeds up again. This works best if you use a locomotive with a flywheel that slows gradually and starts up gradually, for a more realistic operation.
UoS Autonomous Traction A form of traction where the power source is contained wholly on the vehicle (Diesel, gas turbines, battery, flywheel, coal, wood) allowing the vehicle to travel a design range between refuelling.
 See also: Locomotive, Diesel, Operation, Train, Drive
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