Traction Avant 11A
That said, opposite are composite, partially complete, longitudinal cross-sections of the 7CV 4-cyl and 15CV 6-cyl engines and gearboxes. The drawings highlight the significant size difference between the two.
Click on the image to expand.
On the far right is a three-quarter view of the 4-cyl engine.
The 6-cyl engine is included in the Heller kit but the 4-cyl engine will have to be scratch built. For that, the drawings are a very good start.
Traction Avant drawings are hard to find and, invariably, they need to be pieced together from multiple sources.
These are two of the most useful body drawings. They highlight the length and width differences between the smaller 7 and 11L (Legere) models and the 11 Normale. Click on the images to pop up larger versions.