I’ve been sketching the topology of wing shapes for maximum lift and agility—sounds like something you’d appreciate in a high‑speed stunt, doesn’t it? What’s the most daring maneuver you’ve nailed in the air?

Wow, 200 mph and a full barrel roll? That’s a wild ride. The geometry of that loop puts huge stress on the airframe; a lot of careful balance between lift, drag and structural load is required. I’d check the stress analysis before you fly it again, just to be safe. But the electric feel you mentioned? That’s what makes flying feel like sculpting the sky.