[MilCom] Raptor--Low speed stability

[Duane Mantick]

WOW.....Wilbur and Orville are spinning, twisting,
flipping and vectoring in their graves - at a
considerable high-G level, I should think.  :-)

Still think this bird begs to have a certain overall
"white paint with a blue bird on the bottom" scheme x6
or so........

Duane

--- baycomm at earthlink.net wrote:

> 
> 
> > Subject: The New F/A-22
> > 
> >  Fast (super-cruise*) and stealthy, and integrated
> avionics are cool, 
> > but what’s really impressive is the F/A-22s low
> speed stability and 
> > maneuverability.  In the late 40s and to early 60s
> aeronautical 
> > engineers were going nuts on how to shape intakes
> to handle both 
> > subsonic and super-sonic air flows, without
> stagnation or compressor 
> > stalls.  Supersonic in itself was a big challenge
> because you had to use 
> > shock waves to slow the intake air mass to
> sub-sonic before it hit the 
> > compressor blades, or they would stall.  The
> engineers figured it out, 
> > but the solution was keeping a lot of air going in
> the front end to make 
> > sure the all hot air kept going out the back end. 
> As you watch this 
> > Mach 2 airplane suspend motionless in air and do
> tail slides, be aware 
> > of the truly amazing performance of the engines
> and intakes. 
> > 
> > Some used to think the Su-27 / Su-31 “Cobra”
> maneuver was the epitome of 
> > 3rd to 4th generation fighter maneuverability. 
> That snap maneuver 
> > doesn’t hold a candle to what this
> two-dimensional vectored-thrust 
> > fighter with fat independent horizontal stabs can
> do at low speed.  
> > There must be far more tricks up its sleeve in the
> high subsonic 
> > dogfight speed range. 
> > 
> > The video is about 5 minutes long but the last
> 30-40 seconds are priceless.
> > 
> >
>
http://www.f22-raptor.com/media/video_gallery/videos/F22_AirShow_Langley.wmv
> 
> > 
> > 
> > ACC recently approved the Raptors new DEMO
> profile.  This was the first 
> > show.  Five minute video.
> > 
> > Watch the elevators of the airplane in this demo. 
> They work 
> > independently.  It also has vectored thrust.
> > 
> > ACC = Air Combat Command (for the non-Air Force
> folks)
> > 
> > *Supercruise:  The F/A-22 can sustain supersonic
> flight without the use 
> > of fuel-gulping afterburners.
> 
>
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