Reply to "The next new feature for O scale 3 rail diesels???"

Jim Berger posted:

351_DD-1 posted:

 

I would like to hear a high rpm sound starting from a dead stop and then the rpm's ease off once under way at speed.  Just the way I remember how it sounded riding in that first coach behind the big Alco Century's on the Long Island.

You can do that now with m t h  docs......

 

ooops,imeant dcs