What was the fundamental technical realization that distinguished the Wright brothers from their aviation contemporaries?

Answer

The requirement for active control in three dimensions

Success in early aviation relied on mastering the air rather than simply generating enough force to get airborne. The brothers understood that a flying machine needed to be controlled in three dimensions, similar to the dynamic balance required for a cyclist. By solving for pitch, roll, and yaw, they created a system that allowed the pilot to maneuver intentionally, rather than just keeping the machine from falling.

What was the fundamental technical realization that distinguished the Wright brothers from their aviation contemporaries?
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