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#11
10-20-2011, 06:35 PM
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In some cases the negative or "relaxed" stability of the aircraft is a consequence of the design, rather than an explicit design goal. I'm thinking here of the F-117 and the B-2, whose fuselages are very unorthodox due to stealth requirements. Aircraft such as these require FBW systems to stay aloft.
In fact I once heard the B-2 described as being "held in the air by sheer computing power"  Other aircraft such as the F-16 are designed to be intentionally unstable. People often get mixed up due to the terms stable/unstable having very specific, prescribed meanings. Last edited by CaptainDoggles; 10-20-2011 at 07:07 PM. Reason: combined 2 posts into 1 
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