Page 4 - PPL-A 4fag

Flyveprincipper

Indholdsfortegnelse Side

5.1 Indledning ......................................................................................... 5

5.2 Atmosfæren ...................................................................................... 5

5.3 Luftstrømmen omkring flyet ............................................................. 9

5.3.1 Luftstrømninger omkring profiler ................................................................ 10
5.3.2 Luftstrømning omkring vingeprofiler ........................................................... 12

5.4 Stall og spind .................................................................................... 19

5.4.1 Stall ............................................................................................................ 19
5.4.2 Spind .......................................................................................................... 22

5.4.3 Flaps og Slats .............................................................................................. 23
5.5 De 4 kræfter under flyvning .............................................................. 25

5.6 Styregrejer og manøvrering i tre plan ................................................ 28

5.6.1 Akser og ror ................................................................................................ 28
5.6.2 Trim ............................................................................................................ 30

5.7 Stabilitet ........................................................................................... 31

5.7.1 Længdestabilitet ......................................................................................... 31
5.7.2 Tværstabilitet og kursstabilitet ................................................................... 33

5.7.3 Rorafbalancering ........................................................................................ 35
5.7.4 Aeroelasticitet ............................................................................................ 37

5.8 Lastfaktorer og manøvrer ................................................................. 38

5.9 Propellens indflydelse på flyets manøvrering .................................... 41

5.10 Flyvningens faser ............................................................................ 43

5.10.1 Start ......................................................................................................... 43
5.10.2 Stigning .................................................................................................... 45

5.10.3 Vandret flyvning ligeud ............................................................................. 47
5.10.4 Drej .......................................................................................................... 48

5.10.5 Nedgang ................................................................................................... 50
5.10.6 Landing ..................................................................................................... 52

5.11 Påvirkninger af flyet ved landing og kørsel ...................................... 55

5.11.1 Landing i sidevind ..................................................................................... 55
5.12 Kørsel på jorden .............................................................................. 56

Flyveteori PPL(A)(UL)/LAPL Henning Andersen, Midtjysk Flyveskole© 2021 4