I've made a steam locomotive with 3DC, and gave animation using Animation Rod Plug-in.
Within 3DC all worked well, same as Shape Viewer, but I couldn't make the pistons move in MSTS. The rest of the rods, worked perfectly, but the pistons didn't.
I reset all the animations and started the process again, but giving animation only to the Link Rods and the piston rods, but pistons continuous not working.
May someone give me, an advice?
Thanks,

RiverPlate

I had something similar once - I had made many that worked perfectly, but one would not.

I think I just renamed the poston groups to "RODxxxxxxx" and it worked.

I suspect the order in which groups are created and output to the S file may be having an effect on whether animations work or not.

Thank you, Paul. The Pistons finally worked. I couldn't really tell you how, but renaming, ungrouping, and a lot of other things, they moved.
Thanks, again.
Regards,

Raul