[NSRCA-discussion] Fw: The New F/A-22 does things airplanes cannot do.

seefo at san.rr.com seefo at san.rr.com
Mon Aug 27 17:44:13 AKDT 2007


The most interesting part of this demo is that the F/A-22 has returned 
to a fully static-instability profile. That being, the elevators only 
initiate a rate of change, and then move back to a trim function.

Watch the pitch-up to the vertical. The elevators move to initiate the 
pitch rate, and then catch the rate change with a 'blip' of down 
elevator to stop the pitch rate. The F-16 used to be this way in the 
prototype stages, but was changed to a 'relaxed' stability profile. 
This aircraft looks full divergent if left to it's own devices.

Very cool stuff from an aerodynamic standpoint.

-Doug


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