By DH106
 

DH106s evaluation results: Physical accuracy 8; aesthetics 9, detail 9, description 3, creativity 9, construction quality 8. Total 46; 77%.

By DH106
 

(delete) Most ideas come from books. Occasionally, when I come across some things of pure weirdness like that Ushakov LPL, I tend to make note of them for later use. Although I am kind of professionally involved in aviation, I have no aerodynamic degree.

By DH106
 

Added to the contest!