@PaperTRW posted:Doing this from memory, but I think this is right.
For the RailSounds 1 cars, the axle with magnet assembly has two magnetic sections. From the factory, the RailSounds 1 boards ignore every other magnetic activation. The "fix" that Vernon posted above tells the board to indeed chuff with every magnetic activation instead of every other one.
On the RailSounds 2 through RailSounds 4 cars, the axle with magnet assembly has one magnetic section. (This is roughly equivalent to two chuffs per revolution of a steam loco's drivers.) The axle magnet is larger, and looks the same as the one used with RailSounds 1, except the number of magnetic sections differs.
Where things really get weird is on RailSounds 4 cars and later. Lionel's Chinese manufacturer switched to a physically smaller magnet as shown above with two magnetic sections. The problem is that they kept the same part number for reasons unknown. FYI -- due to the difference in size as well the number of magnetic sections, they are NOT compatible with each other.
TRW
Would those smaller magnet wheels work if you shimmed the sensor closer? I would rather have 2 chuffs per rev I think.
