I was doing some flame tests with Houdini before I get some real footage with a mustang in the race track for the ghost rider project... so this is what I came up with, and I know the final comp doesn't look good because I just slapped the flame on top...

This is a different take on the smoke ship project. I dropped renderman, and particle systems to simplify the pipeline.

I brought the softbody simulation back in which was already cached on the disk before and hooked it up to an isooffset node under S...