![](https://singedpinions.com/wp-content/uploads/2020/04/locomotive-drive.jpg?w=1024)
Clearly inspired by the locomotive, it has a certain stylistic charm yet lacks the complete logic required to drive the wings. Though my final design is not far off from this one.
![](https://singedpinions.com/wp-content/uploads/2020/04/side-view-gearing-sketch-2.jpg?w=1024)
For this sketch I used a straightedge and a fine ballpoint pen to obtain the crisp lines. I’m no draughtsman but it’s fine enough to import as a reference image.