This is really how all box wing configuration aircraft are laid out. Here's one from Lockheed: https://www.cbsnews.com/pictures/nasas-big-ideas-for-the-future-o

This is really how all box wing configuration aircraft are laid out. Here's one from Lockheed: https://www.cbsnews.com/pictures/nasas-big-ideas-for-the-future-of-flight/3/ https://www.cbsnews.com/pictures/nasas-big-ideas-for-the-fut... Here's a concept from Elytron: https://rotorcraft.arc.nasa.gov/Publications/files/Grima_Theodore_Revised_FINAL_1144_100416.pdf https://rotorcraft.arc.nasa.gov/Publications/files/Grima_The... The advantage is lower induced drag during cruise. You do analysis to validate controllability during high-AoA regimes. As with every design choice in aviation, it's a tradeoff.