Percy wanting to stop problem.

[Guilford Guy]

Yep! It only works on DCC though, because with a normal locomotive you'll have a runaway train. The capacitor will continue to feed the motor with voltage, but with DCC you can control how much voltage you want to send to the motor.

[ZeldaTheSwordsman]

What if you rigged it up with an old radio rheostat?

[Cheeky_ULP]

What if you rigged it up with an old radio rheostat?

An old radio rhe...what? Just stick to what you know works dude.