I reach about 740 knots at 40000 feet. That are about 380 m/s. At sea level, 
sonic speed is about 340 m/s. I know, that sonic speeds decreases depending 
on air pressure an temperature. I didn't know, that it decreases that much. 
Does it mean, that the sonic speed at 40000 feet is about 190 m/s?

Regards

Bernhard

Am Sonntag 26 Juni 2005 13:14 schrieb Erik Hofman:
> Bernhard Auzinger wrote:
> > Hi everybody,
> >
> > when flying the f16 in a dive with full thrust, the elevator begins to
> > bounce up and down at about 800 knots. But why? Is it the fly-by-wire
> > system of the f16, which is holding the a/c in a stable flight attitude?
> > Or is it a failure in the Model?
>
> It is the fly-by-wire logic that might need some more fine tuning,
> although it only happens in over-speed situations. So it might actually
> happen in real also ...
>
> > I read about the f16, that it can reach Mach 2 in a straightforward
> > flight. But how could I reach Mach 2? The maximum I reach is about 750
> > knots (~sonic speed). Did I get something wrong in this case?
>
> It can reach Mach 2.0 at 40,000 feet only. Our model does that as well.
>
> Erik
>
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