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#11
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Pugechev's Cobra is indeed an impressive maneuver.
It is however, FWIW, considered as simply that by the United States ACM fighter community. The maneuver has absolutely no use in the offensive ACM position, and is considered suicidal if defensive against a hard core shooter. Executing a Cobra maneuver while defensive with a hard coming and savvy attacker at long to medium ranges inside the guns cone creates an instant tracking solution for the attacker. If executed at closer ranges in an attempt to force overshoot, it leaves the defender at 0 Ps which is considered suicide by the general fighter community.......including the Russians BTW :-)) Also, the airspeed range required by the SU27 to execute the Cobra to a 0 Ps is severely limited at best by g available, which means that while defensive and hard turning against a well executed guns run by an aggressive shooter, the Sue has far better options at it's disposal; options that can force an overshoot while maintaining maneuvering energy which is vital to survival in a 3 dimensional ACM arena. The maneuver is highly impressive from the test community's standpoint as a demonstration of pitch authority through high angle of attack. Also it verifies a high degree of inlet flow capability at high alpha for both the Sue and the Mig 29. Along this line, it should be noted that the limiter has to be disengaged to perform a Cobra. But you're right........it IS impressive to watch. The first time I saw it done it sure as hell got MY attention :-))))) Dudley Henriques "Dave" wrote in message ... Nice! Ever watched this aircraft do the "Cobra " ? .. or a tail slide?.... in your face..... at an airshow? You IMMEDIATELY get a huge respect for the capabilities of the aircraft AND the pilots... ![]() Dave On 16 Jun 2006 06:41:21 -0700, wrote: If you like Mig 29's and Van Halen, you might like this video. http://phobos.apple.com/WebObjects/M...3441&i=6203031 Hope you enjoy watching. ps: The explicit warning is not related to this piece. |
#12
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Correct Dudley!
As an ACM manouver, it's not.... U would be toast.. I have seen a lot of "cool" stuff at airshows, but his "Cobra" went WAY off the cool scale!.. And then watching that BIG jet falling backwards at a few hundred feet alt.... There must be a audible "clicking" sound when this dude walks past... ![]() Cheers! Dave On Sat, 17 Jun 2006 16:35:24 GMT, "Dudley Henriques" wrote: Pugechev's Cobra is indeed an impressive maneuver. It is however, FWIW, considered as simply that by the United States ACM fighter community. The maneuver has absolutely no use in the offensive ACM position, and is considered suicidal if defensive against a hard core shooter. Executing a Cobra maneuver while defensive with a hard coming and savvy attacker at long to medium ranges inside the guns cone creates an instant tracking solution for the attacker. If executed at closer ranges in an attempt to force overshoot, it leaves the defender at 0 Ps which is considered suicide by the general fighter community.......including the Russians BTW :-)) Also, the airspeed range required by the SU27 to execute the Cobra to a 0 Ps is severely limited at best by g available, which means that while defensive and hard turning against a well executed guns run by an aggressive shooter, the Sue has far better options at it's disposal; options that can force an overshoot while maintaining maneuvering energy which is vital to survival in a 3 dimensional ACM arena. The maneuver is highly impressive from the test community's standpoint as a demonstration of pitch authority through high angle of attack. Also it verifies a high degree of inlet flow capability at high alpha for both the Sue and the Mig 29. Along this line, it should be noted that the limiter has to be disengaged to perform a Cobra. But you're right........it IS impressive to watch. The first time I saw it done it sure as hell got MY attention :-))))) Dudley Henriques "Dave" wrote in message .. . Nice! Ever watched this aircraft do the "Cobra " ? .. or a tail slide?.... in your face..... at an airshow? You IMMEDIATELY get a huge respect for the capabilities of the aircraft AND the pilots... ![]() Dave On 16 Jun 2006 06:41:21 -0700, wrote: If you like Mig 29's and Van Halen, you might like this video. http://phobos.apple.com/WebObjects/M...3441&i=6203031 Hope you enjoy watching. ps: The explicit warning is not related to this piece. |
#13
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I haven't heard if Vicktor is still with Sukoi, but he is respected by all
as one of the world's better test pilots. I was privileged to be included in on the early test flights of the F14A at Navy Strike Aircraft Test Directorate at Pax River NAS in the U.S. During this period, one of the Grumman test pilots, Chuck Sewell, was doing high alpha tests in the Turkey over Long Island Sound. We saw some very interesting film at Navy TPS from these flights. Chuck made some extremely high pitch rate inputs on the Tomcat during the tests that came very close to duplicating the Cobra.......but not quite!! A highly prized bottle of Jack Daniels goes to the Sue and the Mig 29 on this one :-))) Dudley Henriques "Dave" wrote in message ... Correct Dudley! As an ACM manouver, it's not.... U would be toast.. I have seen a lot of "cool" stuff at airshows, but his "Cobra" went WAY off the cool scale!.. And then watching that BIG jet falling backwards at a few hundred feet alt.... There must be a audible "clicking" sound when this dude walks past... ![]() Cheers! Dave On Sat, 17 Jun 2006 16:35:24 GMT, "Dudley Henriques" wrote: Pugechev's Cobra is indeed an impressive maneuver. It is however, FWIW, considered as simply that by the United States ACM fighter community. The maneuver has absolutely no use in the offensive ACM position, and is considered suicidal if defensive against a hard core shooter. Executing a Cobra maneuver while defensive with a hard coming and savvy attacker at long to medium ranges inside the guns cone creates an instant tracking solution for the attacker. If executed at closer ranges in an attempt to force overshoot, it leaves the defender at 0 Ps which is considered suicide by the general fighter community.......including the Russians BTW :-)) Also, the airspeed range required by the SU27 to execute the Cobra to a 0 Ps is severely limited at best by g available, which means that while defensive and hard turning against a well executed guns run by an aggressive shooter, the Sue has far better options at it's disposal; options that can force an overshoot while maintaining maneuvering energy which is vital to survival in a 3 dimensional ACM arena. The maneuver is highly impressive from the test community's standpoint as a demonstration of pitch authority through high angle of attack. Also it verifies a high degree of inlet flow capability at high alpha for both the Sue and the Mig 29. Along this line, it should be noted that the limiter has to be disengaged to perform a Cobra. But you're right........it IS impressive to watch. The first time I saw it done it sure as hell got MY attention :-))))) Dudley Henriques "Dave" wrote in message . .. Nice! Ever watched this aircraft do the "Cobra " ? .. or a tail slide?.... in your face..... at an airshow? You IMMEDIATELY get a huge respect for the capabilities of the aircraft AND the pilots... ![]() Dave On 16 Jun 2006 06:41:21 -0700, wrote: If you like Mig 29's and Van Halen, you might like this video. http://phobos.apple.com/WebObjects/M...3441&i=6203031 Hope you enjoy watching. ps: The explicit warning is not related to this piece. |
#14
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![]() Dudley Henriques wrote: During this period, one of the Grumman test pilots, Chuck Sewell, was doing high alpha tests in the Turkey over Long Island Sound. We saw some very interesting film at Navy TPS from these flights. Chuck made some extremely high pitch rate inputs on the Tomcat during the tests that came very close to duplicating the Cobra.......but not quite!! Would this fellow be the unfortunate Tomcat test pilot that punched out on final during a test flight? I don't recall the exact details, but I saw a program a while back on the development of the Tomcat. One of the preproduction aircraft was on final to a Long Island airport (Bethpage? Calverton? Gabreski?) and had a flameout IIRC. Both pilots ejected and one was lost. |
#15
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Wasn't Chuck. Chuck went down mysteriously during a takeoff in Connecticut
in a privately owned Grumman Avenger some years back. We still don't have a definitive answer on what happened to him that day. Best guess is that it was contaminated fuel. Your incident sounds like the two Bob's to me. On the second Turkey flight out of Calverton, Bob's Miller and Smythe had a hydraulic meltdown. They blew the gear down with the bottles but lost primary hydraulics on final and punched just as the Turkey headed for the weeds. Both made it! Miller was killed in 72 at Pax before the airshow. Dudley Henriques "Kingfish" wrote in message oups.com... Dudley Henriques wrote: During this period, one of the Grumman test pilots, Chuck Sewell, was doing high alpha tests in the Turkey over Long Island Sound. We saw some very interesting film at Navy TPS from these flights. Chuck made some extremely high pitch rate inputs on the Tomcat during the tests that came very close to duplicating the Cobra.......but not quite!! Would this fellow be the unfortunate Tomcat test pilot that punched out on final during a test flight? I don't recall the exact details, but I saw a program a while back on the development of the Tomcat. One of the preproduction aircraft was on final to a Long Island airport (Bethpage? Calverton? Gabreski?) and had a flameout IIRC. Both pilots ejected and one was lost. |
#16
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Dudley Henriques wrote:
Wasn't Chuck. Chuck went down mysteriously during a takeoff in Connecticut in a privately owned Grumman Avenger some years back. We still don't have a definitive answer on what happened to him that day. Best guess is that it was contaminated fuel. Your incident sounds like the two Bob's to me. On the second Turkey flight out of Calverton, Bob's Miller and Smythe had a hydraulic meltdown. They blew the gear down with the bottles but lost primary hydraulics on final and punched just as the Turkey headed for the weeds. Both made it! Miller was killed in 72 at Pax before the airshow. Dudley Henriques I think I've got that one on a video. Didn't the one pilot and chute go through the fireball? Looked like WAY too close for comfort. Matt |
#17
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They both punched out almost simultaneously as the aircraft gave way in
downward pitch to the loss of the primary hydraulic system. I wasn't there, but they told me it was damn close. I lost a friend in almost the same scenario when Joe Howard with the Thunderbirds punched out of his F4 after a similar failure during the Transpo show at Dulles in 72. Joe's plane went in right ahead of him and he was sucked into the fireball. He never had a chance. It's a tough business. Dudley Henriques "Matt Whiting" wrote in message ... Dudley Henriques wrote: Wasn't Chuck. Chuck went down mysteriously during a takeoff in Connecticut in a privately owned Grumman Avenger some years back. We still don't have a definitive answer on what happened to him that day. Best guess is that it was contaminated fuel. Your incident sounds like the two Bob's to me. On the second Turkey flight out of Calverton, Bob's Miller and Smythe had a hydraulic meltdown. They blew the gear down with the bottles but lost primary hydraulics on final and punched just as the Turkey headed for the weeds. Both made it! Miller was killed in 72 at Pax before the airshow. Dudley Henriques I think I've got that one on a video. Didn't the one pilot and chute go through the fireball? Looked like WAY too close for comfort. Matt |
#18
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Dudley Henriques wrote:
They both punched out almost simultaneously as the aircraft gave way in downward pitch to the loss of the primary hydraulic system. I wasn't there, but they told me it was damn close. I lost a friend in almost the same scenario when Joe Howard with the Thunderbirds punched out of his F4 after a similar failure during the Transpo show at Dulles in 72. Joe's plane went in right ahead of him and he was sucked into the fireball. He never had a chance. It's a tough business. Yes, that is my recollection from the video. I believe one of them went briefly through the fireball and the other narrowly missed it. I don't think they we more than 200' high when they punched out and likely less than that. Matt |
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