The classic example of this was Bob Hoover, who poured iced tea in his Rockwell Shrike Commander twin-engine propeller airplane while completing a barrel roll w

The classic example of this was Bob Hoover, who poured iced tea in his Rockwell Shrike Commander twin-engine propeller airplane while completing a barrel roll with both engines shut down (gliding). https://www.youtube.com/watch?v=PT1kVmqmvHU https://www.youtube.com/watch?v=PT1kVmqmvHU