... and the thermojets as used in the Campini-Caproni, Mig and Sukhoi aircraft
used a multistage compressor with burner cans mounted behind the driving
engine and exhausting straight through. None of which were features of Coanda's
design. Take a close look at the info out there and Coanda's patents, particularly
the ones that were modified after the fact, and you'll see his design had no hope
in hell of working, and that his claims of flight, made decades after the supposed
event and unsupported in records of the period, were just that, claims without
evidence. The physics don't work.