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Newbie Joined: Jun 04, 2004 Posts: 7 Status: Offline

sparrow187 wrote:

There are I belive 2 jets ( F-16's) at edwards that run chase for the f-22 that are referred to as go-fast jets. They have completely different engines in them for the sole purpose of keeping up with the f-22.

Don't know about that but a standard bk 30 from Springfield Oh ANG was sent as a chase for the F-22.

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I heard about the recon version of MiG-25. I think that plane reached
M3.2 or M3.3, not sure... If somebody knows, please notify...

Milhouse wrote:

sparrow187 wrote:

There are I belive 2 jets ( F-16's) at edwards that run chase for the f-22 that are referred to as go-fast jets. They have completely different engines in them for the sole purpose of keeping up with the f-22.

Don't know about that but a standard bk 30 from Springfield Oh ANG was sent as a chase for the F-22.

A block 30 would be VERY hard pressed to keep up

I'm curious to see what Mach numbers Viper pilots on here have seen.

I've seen 1.9, clean jet at FL32, full AFB

That's got me beat, I've only seen 1.4, up near FL500. I see between 1.0 and 1.1 almost every air-air flight. I have 'supercruised' for a good five minutes or so though, although it's supposed to be more than my 1.02 to really qualify.

1.94 @ 22K (successful over-speed of centerline tank I might add).

Cylon

F-16.net Editor Joined: Sep 23, 2003 Posts: 2848

Cylon wrote:

1.94 @ 22K (successful over-speed of centerline tank I might add).

Cylon

The X-15 achieved speeds over mach 6, but don't think it is "air-breathing". Today the X-43 (ramjet) achieved a speed of almost mach 10 though it is un-manned.

What was the max speed of the XB-70 Valkyrie?

Top recorded speed for the Valkyrie was 2020 MPH at 72,000 ft on 12 Jan 1966 by AV2, crew White & Cotton, equivalent Mach was M3.06. Achieved 4 minutes of M3.0+ time on this flight.

Top recorded Mach for the Valkyrie was M3.08 at 72,800 ft on 12 April 1966 by AV2, crew White & Cotton, equivalent speed was 2000 MPH. Achieved 20 minutes of M3.0+ time on this flight.

Together both XB-70s flew only 129 times, and spent 1 hr 43 min at or over M3.0.

I don't know why, but all my reference books on the flight records for the Valkyrie list top speeds in MPH, not knots. Rolling Eyes

Here is a link to another list
http://www.globalaircraft.org/top50.htm
I find the Apollo 10 and Helios coments the most curious Shocked

I got this information for the YE-266 (MiG-25 Foxbat-A), who broke the speed record for a fighter jet:

Type: Mikoyan-Gurevich MiG-25 "Foxbat-A" single-seat interceptor.
Engines: two 27,010-lb (12,250-kg) reheated thrust Tumanskii R-31 turbojets.
Performance: maximum speed 2,115 mph (3,404 km/h) or Mach 3.2 at 36,090 ft (11,000 m); initial climb rate 41,010 ft (12,500 m) per minute; Service ceiling 80,05011 (24,400 m); radius 702 miles (1,130 km).
Weights: empty 44,092 lb (20,000 kg); maximum take-off 37,425 lb (17,011 kg).

Enthusiast Joined: Apr 13, 2004 Posts: 64 Status: Offline

"the Helios satellite obriting the sun travels at Mach 227.3. "

That is total BS. It travels at Mach 0. You cannot have a Mach number without an atmosphere. Of course we all know that. I don't think the Raptor can be outrun by the superbug either.

I think they just refer to some avarage speed (or max?, since the article is about max speeds) measured relative to the sun (as if you are viewing it from its surface) and then compare it to an avarge value of speed of sound in our atmosphere. I suppose the sun since its the object it is orbiting...

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