You get very close to the real issue here: The important part of a flying machine wasn’t the machine itself, but the engine to run the machine itself. We’ve ha

You get very close to the real issue here: The important part of a flying machine wasn’t the machine itself, but the engine to run the machine itself. We’ve had flying machine designs for centuries but it only took 27 years after the Otto engine was invented to put one in the air. ECMO is the flying machine design