Forum: General F-22A Raptor forum

F-22 top speed limited?



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sferrin
PostPosted: Sep 13, 2010 - 03:29 PM Reply with quote Back to top
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That_Engine_Guy wrote:
PS- Don't we have a topic covering what the Raptor can/can't do for top end? Shrug


Probably a dozen of them. Wink And it ain't Mach 1.8. Cool

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e-dog
PostPosted: Sep 14, 2010 - 05:58 PM Reply with quote Back to top
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I think it's between Mach 2 and 3 at altitude. What it exactly is, is anyone's guess.
I've read figures like 2.25, 2.42 and even calculations of Mach 2.80 by a dude claiming to be an engineer who worked on the F-22 in the mid 90's. He never provided any proof of this and what's also weird is that he got removed (Along with all his posts) after posting some interesting/sensitive data about the Raptor.

1 Thing is sure, the Raptor is fast enough for it's role.
What's way more important is its super cruise capability combined with its stealth characteristics IMO.
I'd rather fly at M1.7 for a long period of time while being undetected, with still plenty of fuel left to complete my mission and RTB than to do M2.5 for a short amount of time, greatly reducing my stealth and expending 80% of my fuel in the process.

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guardbaby
PostPosted: Sep 14, 2010 - 10:21 PM Reply with quote Back to top
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If subsequent flights do not appear likely (like when your enemy is at your six) there are no limits.
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shingen
PostPosted: Sep 15, 2010 - 12:48 AM Reply with quote Back to top
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Acceleration>speed
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sferrin
PostPosted: Sep 15, 2010 - 04:31 AM Reply with quote Back to top
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e-dog wrote:
I think it's between Mach 2 and 3 at altitude. What it exactly is, is anyone's guess.
I've read figures like 2.25, 2.42 and even calculations of Mach 2.80 by a dude claiming to be an engineer who worked on the F-22 in the mid 90's. He never provided any proof of this and what's also weird is that he got removed (Along with all his posts) after posting some interesting/sensitive data about the Raptor.

1 Thing is sure, the Raptor is fast enough for it's role.
What's way more important is its super cruise capability combined with its stealth characteristics IMO.
I'd rather fly at M1.7 for a long period of time while being undetected, with still plenty of fuel left to complete my mission and RTB than to do M2.5 for a short amount of time, greatly reducing my stealth and expending 80% of my fuel in the process.

Long time reader, first time poster.


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The 2.42 figure came from Paul Metz's comment that it could do better than 1600 mph ( 1600 mph being Mach 2.42 at altitude).

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BDF
PostPosted: Sep 25, 2010 - 09:02 PM Reply with quote Back to top
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Several operational Raptor pilots have said in interviews that they're operationally limited to M2.0. That being said, as it was pointed out above, in comat all bets are off if the pilot needs it.

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sferrin
PostPosted: Sep 26, 2010 - 07:28 PM Reply with quote Back to top
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BDF wrote:
Several operational Raptor pilots have said in interviews that they're operationally limited to M2.0. That being said, as it was pointed out above, in comat all bets are off if the pilot needs it.


Probably like the F-104, F-111, and B-58 (and others). More speed is there if you need it but if you use it everyday it'll eat into airframe hours.

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psychmike
PostPosted: Sep 26, 2010 - 07:39 PM Reply with quote Back to top
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Anyone have a copy of that photo of the F-22's nose where it seems like part of the coating has been singed off? WOW!
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b-man
PostPosted: Oct 18, 2010 - 06:34 PM Reply with quote Back to top
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1600MPH from the interview of Mets
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wrightwing
PostPosted: Oct 18, 2010 - 09:27 PM Reply with quote Back to top
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b-man wrote:
1600MPH from the interview of Mets


Actually he said >1600, though by how much is unknown.
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