I am having problems with some bogie Blueprints for steam loco.
Does anyone have any ideas why a Bogie Blueprint could slow or limit the speed of a loco?
I have sort of proved it is the blueprint by simply swapping a “good” bogie blueprint with a problem one. The good one allows the loco to run up to 20 mph with ease, the problem one limits to 7 mph with same regulator & cutoff settings.
Good bogie has two axles, bad one has three.
Run out of ideas so hoping someone can shed some light on these bogie Blueprints!!!
Cheers
Steve