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Why not use the F-22 to replace the F/A-18 and F-14?



 
 
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  #191  
Old February 28th 04, 06:11 PM
running with scissors
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"Tarver Engineering" wrote in message ...
"John R Weiss" wrote in message
news:AFp%b.402349$I06.4378804@attbi_s01...
"Tarver Engineering" wrote...

What is "an unmapped part of the A-320's flight control system"

supposed
to mean?!?

Airbus hadn't programmed their A-320 to do what the operator commanded.


Hmmm... I suspect that when the pilot added go-around power, he commanded

the
airplane to provide maximum lift/minimum sink while the engines spooled

up.

In what wy do you believe that stalling the wing is within the flight
envelope?



how did it stall ?
  #192  
Old February 28th 04, 06:13 PM
running with scissors
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"Tarver Engineering" wrote in message ...
"John R Weiss" wrote in message
news:86u%b.419138$na.808979@attbi_s04...
"Tarver Engineering" wrote...

Stalling the wing is outside the flight envelope, Weiss.

What flight envelope? What airplane?

Did you post this thread without knowing what airplane you are

discussing?

Nope.

You haven't been able to tell us what flight envelope you're referring to,

and
now you mention something about stalling, which wasn't a factor in the

current
discussion...


Do you claim that the airplane's engines hold the A-320 in the air by
themselves?

In what way do you believe the wing did not stall?


in what way do you belive it stalled ?
  #194  
Old February 28th 04, 06:20 PM
John Miller
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running with scissors wrote:
every ****ing aircraft goes past the end of a runway. its called takeoff


Heh. The high-performance types often don't cross the far-end threshold
during takeoff. I remember one time 10,000 feet over Sherman field,
looking straight down at the midpoint...

--
John Miller
Email address: domain, n4vu.com; username, jsm

I have ways of making money that you know nothing of.
-John D. Rockefeller

  #195  
Old February 28th 04, 07:54 PM
Kevin Brooks
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"Doug "Woody" and Erin Beal" wrote in message
...
On 2/28/04 4:09 AM, in article

,
"Guy Alcala" wrote:

SNIP
The USMC's AV-8Bs did this to
very good effect in 1991, for instance.


Using a helicopter airfield with a 6,000 foot runway in very poor

repair,
about
half of which was usable. They also operated from poor condition

forward
airfields in Iraq this past year, with fuel, weapons and

sparesapparently
brought
in mostly by truck.

Guy


Guy, it's obvious you know how to build an airfield.

The AV-8B's worked from forward airfields because they could. It was a

way
to use the assets we already have in a way that reduced crowding at

existing
airfields and slightly reduced tanker requirements.


And improved the response time and sortie generation rates, just as a FARP
alows an attack helo to generate more sorties due to reduced transit time
back and forth to the unit operating location.


It was a "nice to have" not a requirement. The war would have gone just
fine had they been F-16's or F/A-18's operating from fixed runways or
aircraft carriers.


The groundpounder who wants responsive CAS available *immediately*
throughout an operation would differ with you as to whether having an asset
capable of hitting a FARP and returning quickly to station is just "nice to
have".

Which is why the V/STOL F-35 is unnecessary.


Logic fault. You are claiming that because it was allegedly not required in
this instance, it will never be required. Kind of hard to support that kind
of argument. Given a scenario like Afghanistan, where the CAS assets had to
transit great distances to and from the required area of operations, the
ability to get STOVL assets into the A/O early in the campaign could be a
big advantage, and reduces the load on the other assets (like those F-15E's
and F-16's transiting out of the Gulf area). If it is unnecessary, why is
the USAF now joining the STOVL bandwagon--merely to make nice with their
USMC brethren? I doubt that. Is STVL the way to go for all TACAIR? Of course
not. But eliminating it just reduces your own versatility, and that would
not be a wise move in the current environment of uncertainty (as regards
where/when/how we'll have to fight).

Brooks


--Woody



  #197  
Old February 28th 04, 09:32 PM
Henry J Cobb
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Doug "Woody" and Erin Beal wrote:
On 2/28/04 1:01 AM, in article , "John Keeney"
wrote:
It's all just a trick: the USAF wants the F-35Bs so they can rip
the lift fan out and put the generator for the laser there. ;-)

Honestly, now that I've said it, it doesn't sound that far fetch...


They better get that laser thing miniaturized quick then because right now
it's HUGE!


The bigger problem is cooling it.

http://www.nationaldefensemagazine.o...cle.cfm?Id=994
Cooling a laser is a “very difficult engineering challenge,” said Zimet,
especially when the goal is to generate high levels of power. In a 100
kw solid-state laser, for example, there could conceivably be 900 kw of
wasted power that has to be eliminated. That is because, by nature,
solid-state lasers are not efficient. Ten percent is considered high
efficiency, compared to most solid-state lasers that average 1 percent
efficiency.

-HJC

  #198  
Old February 28th 04, 10:06 PM
Pooh Bear
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khobar wrote:

Pooh Bear wrote in message
...
JL Grasso wrote:

On Fri, 27 Feb 2004 10:43:07 -0800, "Tarver Engineering"


wrote:

The A-320 which crashed into the trees in France was performing a
fly-by demonstration, by a line pilot, not an Airbus test or demo
pilot. The profile was to fly by at 500 feet.

The pilot was making a scheduled revenue flight with passengers and

came up
with the low slow fly by all on his own.

Actually, it was a charter flight. And not to split hairs, but the
low/slow fly-by was discussed by airline officials and both captains in

a
prior briefing that day. The accident was officially caused by descent
below obstacle height combined with a delayed application of TOGA power

to
exit the fly-by.


The F.O. was also declared mentally ill for demurring from the above
'explanation'.


You are aware that the DFDR presented in court to substantiate the official
story was NOT the DFDR from the crashed aircraft, yes?


Certainly didn't look like the same one from the pictures I saw.

There is certainly something altogether 'odd' about this incident.

Graham

  #199  
Old February 28th 04, 10:07 PM
Pooh Bear
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JL Grasso wrote:

On Sat, 28 Feb 2004 09:23:07 -0700, "khobar" wrote:

Pooh Bear wrote in message
...
JL Grasso wrote:

On Fri, 27 Feb 2004 10:43:07 -0800, "Tarver Engineering"


wrote:

The A-320 which crashed into the trees in France was performing a
fly-by demonstration, by a line pilot, not an Airbus test or demo
pilot. The profile was to fly by at 500 feet.

The pilot was making a scheduled revenue flight with passengers and

came up
with the low slow fly by all on his own.

Actually, it was a charter flight. And not to split hairs, but the
low/slow fly-by was discussed by airline officials and both captains in

a
prior briefing that day. The accident was officially caused by descent
below obstacle height combined with a delayed application of TOGA power

to
exit the fly-by.

The F.O. was also declared mentally ill for demurring from the above
'explanation'.


You are aware that the DFDR presented in court to substantiate the official
story was NOT the DFDR from the crashed aircraft, yes?


... based on Assiline's assertion which he based on the appearance of the
box. IIRC correctly, he said that the one that he saw shortly after the
crash had vertical stripes on the housing, whereas the one in court had
diagonal stripes.

Pretty conclusive, yes?


Yes actually. I've seen footage of the DFDR being recovered and no way is it the
same one presented in court.

Graham

  #200  
Old February 28th 04, 10:08 PM
Pooh Bear
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JL Grasso wrote:

On Sat, 28 Feb 2004 02:45:53 +0000, Pooh Bear
wrote:

JL Grasso wrote:

On Fri, 27 Feb 2004 10:43:07 -0800, "Tarver Engineering"
wrote:

The A-320 which crashed into the trees in France was performing a
fly-by demonstration, by a line pilot, not an Airbus test or demo
pilot. The profile was to fly by at 500 feet.

The pilot was making a scheduled revenue flight with passengers and came up
with the low slow fly by all on his own.

Actually, it was a charter flight. And not to split hairs, but the
low/slow fly-by was discussed by airline officials and both captains in a
prior briefing that day. The accident was officially caused by descent
below obstacle height combined with a delayed application of TOGA power to
exit the fly-by.


The F.O. was also declared mentally ill for demurring from the above
'explanation'.


Cite?


Crikey ! I thought it was common knowledge ?

Graham

 




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