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Singapore down selects three fighters...



 
 
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  #61  
Old October 17th 03, 06:05 PM
Thomas Schoene
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"Keith Willshaw" wrote in message

"guy wastiaux" wrote in message
...
well Italy is doing so by using F-16As for Air Defence, replacing
Tornados F3s, as the air force is waiting for the Typhoon. If Italy
is doing it, then why not Singapour ?


Actually Italy are a development partner for Typhoon and
have ordered 120 aircraft.


No contradiction here. Yes, Italy is buying Typhoons. But until they show
up, they're leasing ex-USAF F-16s to replace leased ex-RAF Tornado F.3s,
which in turn replaced F-104s.

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  #62  
Old October 17th 03, 11:29 PM
phil hunt
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On Thu, 16 Oct 2003 18:16:22 GMT, William Wright wrote:

It's for the same reason that people shouldn't use Microsoft
software while they continue to attempt to lock-in their customers:
because every purchase carries a hidden cost of forcing the customer
to purchase again from the same supplier.


Yep! No technology lock-in using say Sun Solaris or HP/UX is there?


Your argument, as I understand it, is that because Microsoft uses
vendor lock-in, Sun and HP can't do. That's frankly a silly
argument.

A more sophisticated version is that you beleive I beleive that.
That's equally absurd.

So I conclude I have no idea what you are trying to get at.

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  #63  
Old October 17th 03, 11:31 PM
phil hunt
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On Thu, 16 Oct 2003 19:17:55 +0100, Ian Craig wrote:
Thats the same as the Harrier ziff (sp?) manoeuvre?


You mean VIFF ("Vectoring in forward flight").

BTW, can resepct usenet convention and post new comments below
what you're replying to, please?

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people who openly support the RIAA" -- comment on Wikipedia
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  #64  
Old October 17th 03, 11:32 PM
phil hunt
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On Thu, 16 Oct 2003 13:10:30 -0700, Harry Andreas wrote:
In article ,
wrote:
Postulating a South Asia Typhoon v F-35 engagement, what makes
you think the more stealthy F-35 won't use NCTR then shoot the
Typhoon in the face BVR with an AIM-120?


I don't know what NCTR is, so I won't discuss that. If the F-35 is
switching its radar on to detect the Typhoon, then the Typhoon will
presumably be able to detect this (the signal will be
billions of times stronger at the Typhoon than what's received back
at the F-35), so I am doubtful of the possibility of the F-35
sneaking up on the Typhoon undetected.


NCTR - Non Cooperative Target Recognition


Umm, that's sound bizare to me -- isn't it normal for the target
to not co-operate in being recognised?

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  #65  
Old October 17th 03, 11:39 PM
phil hunt
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On Thu, 16 Oct 2003 13:03:32 -0700, Harry Andreas wrote:
In article ,
wrote:
They'd be well advised not to fire on a Typhoon either, since it's
better than anything the USN is likely to have for some time (and I
think the F-35C falls in that category).

Is it better than an Amraam?


Would the F-35 even get close enough to fire an AMRAAM? Meteor is
longer range, and since the Typhoon is faster it could (depending on
the tactical situation) decide whether to break contact.


Speed doesn't matter as much when the opposing platform is stealthy.
If you can't "see" it you can't shoot it, so speed does not dictate the
engagement anymore.


According to
http://www.eurofighter.starstreak.net/Eurofighter/sensors.html,
Typhoon can use infra-red to detect aircraft at a range of 30-50
nm (48-90 km), and possibly up to 80 nm (148 km).

By comparison, AMRAAM has an estimated range of "17+ nm" (32 km).
(From http://www.af.mil/factsheets/factsheet.asp?fsID=79).

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  #66  
Old October 17th 03, 11:41 PM
phil hunt
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On Thu, 16 Oct 2003 13:14:32 -0600, Scott Ferrin wrote:
[regarding the F-35]
Weight and apparently they think the big wing isn't necessary. Weight
is the main issue for the STOVL version.


That makes sense.

You have to keep stealth in mind. The Typhoon likely wouldn't get to
USE it's superior manueverability (assuming it will have it).


If the F-35 is using its radar, the Typhoon will probably be able to
detect it. If neither plane is using radar, there is no advantage to
stealth.


That's assuming the Typhoon can detect an LPI radar.


What's that, and how is it different from other radars?

--
"It's easier to find people online who openly support the KKK than
people who openly support the RIAA" -- comment on Wikipedia
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to it and reversed the last two letters).


  #67  
Old October 18th 03, 12:46 AM
Thomas Schoene
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"phil hunt" wrote in message

On Thu, 16 Oct 2003 13:10:30 -0700, Harry Andreas
wrote:
NCTR - Non Cooperative Target Recognition


Umm, that's sound bizare to me -- isn't it normal for the target
to not co-operate in being recognised?


Depends. Civilian aircraft are supposed to squawk a transponder code, but
sometimes don't. So are friendly aircraft (unless the enemy can spoof your
IFF). An aircraft not squawking could be hostile, or it could be a neutral
airliner or friendly aircraft with a failed or inactive transponder.

NCTR gives you a way to identify an aircraft type by specific
characterisitcs of the radar return. Various different techniques are used;
I won't even try to go into details of how they do it. KNowing the typer of
aircraft, you can then make a more informed decision about the contact's
status.

IN Gulf War 1, two positive forms of ID were required to authorize a shoot.
AWACS track from an Iraqi point of origin was good for one. NCTR or Visual
ID was good for another. Lack of IFF did not count.

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  #68  
Old October 18th 03, 12:49 AM
Thomas Schoene
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"phil hunt" wrote in message

On Thu, 16 Oct 2003 13:14:32 -0600, Scott Ferrin
wrote:


That's assuming the Typhoon can detect an LPI radar.


What's that, and how is it different from other radars?


LPI = Low probability of intercept. Usually a psuedo-random spread-spectum
signal that looks like random noise to a typical radar warning receiver.

--
Tom Schoene Replace "invalid" with "net" to e-mail
"If brave men and women never died, there would be nothing
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  #69  
Old October 18th 03, 03:21 AM
Michael Williamson
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Ian Craig wrote:
Excuse my ignornance, but whats an LPI radar? ( I only work with missiles)


Low Probability of Intercept. An LPI radar uses various techniques
to lower the probability that an enemy will detect and identify the
signal as being a radar system.

Mike

  #70  
Old October 18th 03, 05:13 AM
phil hunt
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On Fri, 17 Oct 2003 23:49:37 GMT, Thomas Schoene wrote:
"phil hunt" wrote in message
rg
On Thu, 16 Oct 2003 13:14:32 -0600, Scott Ferrin
wrote:


That's assuming the Typhoon can detect an LPI radar.


What's that, and how is it different from other radars?


LPI = Low probability of intercept. Usually a psuedo-random spread-spectum
signal that looks like random noise to a typical radar warning receiver.


Do you (or anyone else) have any estimate on how effective this is?

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people who openly support the RIAA" -- comment on Wikipedia
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to it and reversed the last two letters).


 




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