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[quote user="OT Dean"] Flywheels have the advantage of letting a locomotive roll over a bad spot in the track, either dirt or the frogs of certain turnouts, an advantage a momentum throttle can't help, since you still need good track to loco electrical flow. Deano <div style="clear:both;"> </div> [/quote] I say Amen to that! The effect of flywheels is largely overrated when it comes to the ability of coasting in case of a power shut-off, but they do help to overcome spots of dead rail. On my layout, a 0-4-0 loco without a flywheel would not traverse through the Insulfrog turnouts I have installed, but the flywheel equipped locos have no problem at all, even at low speeds.
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