|Henri Coandă aerodynamics
A stream of air entrains the air around it pulling molecules into its path. This entrainment lowers the pressure of the surrounding air so that lower pressure sucks the airstream to a nearby surface and atmospheric pressure pushes the surface toward its low-pressure side.
Identified flying objects
The Coandă-1910 aircraft. The VZ-9 AV Avrocar. The Boeing YC-14. The McDonnell Douglas YC-15. The Boeing C-17. The NOTAR helicopter. The Antonov An-72 “Coaler.” The Shin Meiwa US-1A flying boat. The Blackburn Buccaneer. The C-17 Globemaster III.
Coandă and Bernoulli
When air flows under a wing more slowly than above the wing, the wing gets a lift by Bernoull’s principle. When a layer of air flows over the top of a wing more quickly than the air above it, the wing gets a lift by the Coandă effect.
The six blind men who felt the elephant naturally were in total disagreement. Meanwhile, every passer by who could see believed he saw the elephant as a whole.