05-01-2012, 01:49 PM
You're off to a good start, Kurt. 
I couldn't find much in the way of photos showing the ends, but in the scant views available, the ribs look like they're rounded-off on the visible face, but that their profile is deeper than if it were simply a half-round cross section. You may be able to replicate that with strip styrene of a suitable width, then cap it with Evergreen half-round of an appropriate size.
Of course, not all cars may have the same style of ends, but your drawings should show what's required.
Wayne
I couldn't find much in the way of photos showing the ends, but in the scant views available, the ribs look like they're rounded-off on the visible face, but that their profile is deeper than if it were simply a half-round cross section. You may be able to replicate that with strip styrene of a suitable width, then cap it with Evergreen half-round of an appropriate size.
Of course, not all cars may have the same style of ends, but your drawings should show what's required.
Wayne