Small kick... I've flown it again in FSX, and actually it isn't all that bad. It does have a huge impact on frame rates though - going from (locked) 25 to somewhere around 20 FPS, on small rural fields. Apparently there are some clipping problems as well, but they're not very noticable.
This was with a default skin, so maybe there are other skins available - less realistic but easier on the graphics card?
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There is a theory which states that if ever anyone discovers exactly what the universe is for it will instantly disappear and be replaced by something even more inexplicable.
There is another theory which states that this has already happened.