Re: [GZG] [OFFICIAL] Question: was Re: [SG3]: What if?

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aircraft speeds have not increased as there has been a change in the
combat environment where speed is not the defense that it used to be.
Overall stealth capabilities (defense through not being seen) has
increased
dramatically over the last twenty years.

Overall speed is not a good indicator for technology either, a better
gauge
would be cruise speeds.  For instance:

WWI biplane - cruise speed ~70 mph
WW2 - P-51D - cruise speed - 362 mph
Vietnam - F-4 Phantom II - 585 mph
Modern - F-15C Eagle - 570 mph
Future - F-22 Raptor - 1140 mph

The main block to increasing cruise speed from the the 60's on was the
sound
barrier.  Once super-efficient engines and more refined aerodynamics
were
used, the cruise speed was able to leap beyond the sound barrier.

--Binhan

On 2/6/08, K.H.Ranitzsch <kh.ranitzsch@t-online.de> wrote:
>
>
> Though it isn't clear that technological change will continue at that
> pace. Aircraft speeds, for example, haven't increased significantly
for
> almost 50 years.
>
> Greetings
> Karl Heinz
>
>
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