what is the difference between the wing types in game, symetrical, semi semetrical and flat bottom? I know they do things IRL but how do they affect performance in game?
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242 Dereric
Flat bottom generates lift even at low speed and zero angle of attack, so it should be used at slow aircrafts, because it produces also a lot of drag, too much for higher speeds.
Symmetrical Airfoil generates lift only with a positive or negative Angle of Attack, and produces less lift than other airfoil shapes. But to generate lift you need AoA and enough speed, much more than the flat bottom airfoil, so it's most effective at supersonic airplanes.
Semi-symmetric is "somewhere in the middle", it generates an smaller amount of lift (and drag) at low speed and zero AoA, so it's the best choice for airspeed between mach 0,7 and 0,95.
That's the short version of an text I've found on Simpleplanes, you can find it
[here]
(https://www.simpleplanes.com/Forums/View/1172990/Flat-Bottomed-vs-Semi-Symmetrical-vs-Symmetrical-Airfoils-In-SP-and-RL) -
5,243 LeMagicBaguette
It has to do with lift with an AoA of 0 degrees. Symmetric provides no lift, semi delivers some, and flat bottom supplies great lift.
flat bottom is best wing
-Lots of lift
-high AOA before stall
-very smooth, predictable stall characteristics