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mig-31bm

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  • mig-31bm
    Participant

    And why only 700-1100km/h for F-35 and 600-1100 for Su-27SK?

    I noiticed that too but he concluded that F-35 has better acceleration based on acceleration rate per second.
    interval for Su-27 is 9.25m/s2
    interval for F-35 is 11.06m/s2
    in theory , measure acceleration from slower speed should give advantage to Su-27 because acceleration is higher at lower speed so your interval can be improved

    mig-31bm
    Participant

    And here we go again

    mig-31bm
    Participant

    So.. is this in a clean Flanker(18900kg).
    50% bingo fuel of NTOW is 2630kg of fuel to be exact.
    That is 1000kg more fuel vs F-35 1500kg fuel.
    The Su-35s most likely have 3000kg fuel under the same layout(55% of 11500kg รท 2).

    If you go through all that trouble with equations, the least thing should be to put in the right figures.

    I think he did mentioned that ( iam not the one who made this estimation )

    This standard is justified as follows: If we adopt some conventional standards, such as 50% internal fuel, this will be unfair for the aircraft with very high internal fuel or low fuel consumption. We can obtain that under 18920kg flying weight, Su-27 has only about 2000kg (4400lb) internal fuel, because a Su-27 with 5270kg fuel, 2xR-27 and 2xR-73 missiles, has a total weight of 23430 kg:

    The air is more dense at 1000M, but the 5000M. But who knows how the drag and Dynamic thrust plays out here.
    It might not be 100% symmetrical in both cases.

    yes , air is more dense at sea level but at higher altitude dynamic thrust is lower and you may need more lift too. That why i want some expert opinion

    mig-31bm
    Participant

    JSR nationalistic troll never fail to amaze

    mig-31bm
    Participant

    According to an english exchange pilot, M2K (RDI, not RDY) was superior to F-16 till block 50.

    In what way it is superior ?

    in reply to: HiMAT why not ? #2157835
    mig-31bm
    Participant

    .

    Didn’t Andraxxus proved that photo is BS with his calculations not so long ago?

    in reply to: HiMAT why not ? #2158595
    mig-31bm
    Participant

    The priority shift with stealth and BVR combat

    European still uses not stealth aircraft. I wondered why they didnot go with HiMat ?

    in reply to: HiMAT why not ? #2158598
    mig-31bm
    Participant

    In 1991, I worked with a couple of the Rockwell designers who worked on HiMAT and X-31.

    HiMAT had nothing in common with F-16. HiMAT was half the size of F-16 and used the engine from the F-5. It only carried enough fuel to perform its maneuvering trick and land on the Edwards AFB lake bed after being carried aloft and dropped from a B-52..

    Right , so Himat is not F-16 and it a small demo that doesnot carry much fuel . but dont you think a big version of it would have very good manever capabilities?

    in reply to: Eurofighter Typhoon discussion and news 2015 #2159211
    mig-31bm
    Participant

    So is that the newest version of starfish prime?

    That unlikely, energo was here even before me

    in reply to: Eurofighter Typhoon discussion and news 2015 #2159533
    mig-31bm
    Participant

    Come on, obligatory. ๐Ÿ™‚ F-35 enjoys a much higher fuel fraction over the F-22 (and just about everything else), meaning a 50 percent fuel load is not a quite fair comparison. Adjusting for this wont give the F-35 a stellar envelope, but it’s certainly a bit larger than this chart would seem to suggest.

    Agree , personally i enjoy the kind of comparision done by Andraxxuss and Spurt where they always equalize the combat radius of those aircraft being compared

    in reply to: The PAK-FA News, Pics & Debate Thread XXV #2159586
    mig-31bm
    Participant

    ?????

    I think he mean the limited rear view from cockpit as they have similar canopy design.

    mig-31bm
    Participant

    hard to find exact numbers, but its whole wing is a big fuel tank… that’s a lot of volume you’ll have hard time to find in the F-35

    http://www.f-16.net/forum/download/file.php?id=19543&t=1

    that’s one advantage of the delta wing, what counts is the sweep angle (more = better for transsonic and supersonic) and the relative thickness (thickness/chord ratio, and that’s where the delta has a big advantage, you can make it much thicker while having lower relative thickness and, therefore, less transsonic drag

    No , with sweep wing you can make the chord much longer while maintain the thickness so chord-thickness ratio reduced. But that doesnot mean you can keep increasing the wing thickness without penaty

    you should look better , between the canopy shape (bubble vs blended) and wing chord alignment, there’s no comparison

    X-32 got bubble canopy but its nose and wing are both bigger
    http://www.militaryfactory.com/aircraft/imgs/boeing-x32-jsf.jpghttps://i.kinja-img.com/gawker-media/image/upload/s--OVGfjfyV--/1319449782160097684.jpg

    reduce by how much

    enough that F-35 , J-20 , PAK-FA all use circular nozzle

    in the same time, you can better hide the turbine from radar waves and direct the flow more precisely

    That debateable

    mig-31bm
    Participant

    first, carrying more fuel, it has a better range (always useful for a strike aircraft)

    How much fuel does the X-32 carry compared to F-35 ?

    then, it’s been optimized for low transsonic drag with its wing planform, meaning, for the same T/W ratio it would accelerate better to go beyond the speed of sound, allowing also probably better supercruise ability

    Seem unlikely X-32 wing is alot thicker than F-35
    http://www.cybermodeler.com/aircraft/f-32/images/df-sd-03-15738.jpg
    http://i2.cdn.turner.com/cnnnext/dam/assets/150915121028-f-35-wasp-test-3-super-169.jpg

    It has better vision for the pilot as well, with the bubble canopy and its wings, while huge, blended in the same plan as the pilot’s head (so, not giving too many blind spots despite its size).

    Looks similar to me
    http://images.dailytech.com/nimage/x-32a.jpg
    http://nationalinterest.org/files/main_images/1280px-F-35_at_Edwards.jpg

    The 2D thrust vectoring would also allow for better pitch control, be it in lower speed manoeuvering or in supersonic trimming of the aircraft

    the rectangular nozzle of X-32 will reduce thrust compared to conventional round

    mig-31bm
    Participant

    HiMAT

    mig-31bm
    Participant

    Actually resolution seem not so good as compare to DDM-NG eg. Of course these are commercial pictures, but 3D rendering is impressive..

    The resolution probably been reduced , the video quality of F-22’s DAS , the AAR-56 look very sharp. The video is the detector tested on a helicopter btw

Viewing 15 posts - 376 through 390 (of 1,759 total)