From the discussion under the article posted by Dziennik.pl here: http://wiadomosci.dziennik.pl/wydarzenia/artykuly/332959,czy-rosjanie-rozpylili-w-smolensku-hel-tak-podejrzewa-mecenas-rogalski.html Comment ~ serena: First, any details about the flight of the planes. Wing lift (for subsonic speeds) is dependent on 4 factors; wing area, wing angle of attack in relation to the flight line, aircraft velocity and the most crucial item - the density of the medium. Let us consider a situation where an airplane flying at a certain velocity enters [...]
