he worked for the Nazis to help their war effort by developing the turbopropulseur (turbopropeller) drive system from his 1910 biplane into a propulsion...

crashing to the ground, burning. Stine gave his assessment that "Coanda's turbopropulseur had elements of a true jet", but that the patent application had no...

Publishing. Lemaire, René (December 1987). "Les avions Dassault à turbopropulseurs: MD 320 Hirondelle". Le Fana de l'Aviation (in French). No. 217. pp...