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kilcoo316

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Viewing 15 posts - 106 through 120 (of 721 total)
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  • in reply to: A400 sees delay!! #2550786
    kilcoo316
    Participant

    Finally, the A400M is the fastest turbo-prop aircraft currently in production, using 21st century technology. Maybe someone noticed the fuel prices recently. The A400M may be used as technological basis for a future 80-120 people regional airliner.

    They’ll probably look at prop-fans (eventually) (again).

    Rising fuel prices are prob one of the reasons the Bombardier Dash 8 has been doing so well (recent problems aside).

    in reply to: A400 sees delay!! #2551261
    kilcoo316
    Participant

    You have obviously never watched thousands upon thousands of bottle of drinking water being unloaded from transport aircraft in Afghanistan or Africa then:rolleyes: The C-17 would provide an even greater boost.

    In that case, the officer asking for the drinking water should be fired for gross stupidity.

    Fly in an engineering team with equipment – sink a few wells bring in purifiers (be they tablets or filters or whatever), and hey presto – drinking water… loads of it.

    The expensive way is not always the smartest way. 😉

    in reply to: A400 sees delay!! #2551385
    kilcoo316
    Participant

    IIRC the main problems with the 400M are:

    – engine (has not reached the required hp figures yet)

    – software (can’t remember the details, probably flight control system), I think it was a result of late finalisation of desired handling qualities and of flight profiles.

    There are a couple of other minor things, but these were the main 2 mentioned to me (IIRC 😮 )…

    in reply to: World's best fighters #2551401
    kilcoo316
    Participant

    I think it was in 2000’ish that the first AESA set was installed , of course now they have moved on to the Apg63V(3) which is one step above the V(2) (AESA) , the Singapre birds are getting the V3 and i believe that the USAF has plans to use it aswell but those are not funded yet .

    edit: Scratch the original post, got the info I need:

    161 (v)1s were supplied to the USAF, and 18 (v)2s…

    But, ONLY the (v)2 was AESA. The (v)1 was an upgrade for improved reliability etc.

    There is also talk of a (v)4 (using part of the -77 I believe), but I don’t think the USAF are gonna pursue it.

    in reply to: World's best fighters #2551419
    kilcoo316
    Participant

    All are superior WVR, but ECM, the APG-63 radar and AIM-120C capability, Programmed Signal Processing (PSP), and now AESA radar, give the F-15C a lethal first shot. Rafale is very good, but like the Typhoon, I’m not sure if it really beat the F-22A into service by much.

    When did the eagles get AESA sets?

    Even then, was the early 63 (v)1s much better than the Bars in the MKI (as of 2002?)

    in reply to: World's best fighters #2551425
    kilcoo316
    Participant

    9.0 G = ? If some has an intrest can figure out the value for 9.0 G!

    acos(1/9) 😉

    [bank angle = acos(1/g-rating)]

    83.6 deg

    in reply to: F-15 breaks up in flight. #2551862
    kilcoo316
    Participant

    So you’re telling me that you need an advanced degree to understand that if you exceed the airframe’s design limitations re. hours something bad might happen?

    No – you don’t need a genius to tell you if you exceed the limits bad things happen.

    But you do need the knowledge to calculate the design limitations, and how various flight maneuvers impact on the airframe aging (actually, the aging of various parts of the frame).

    in reply to: World's best fighters #2552121
    kilcoo316
    Participant

    I calculated the inst. rate for the first ~5 seconds. I know that such data is variable with speed/altitude/weight/external loads/engine settings. Anyways, you are welcome if you have anything better or more precise.
    The data is at hand, why don’t enlighten me?

    You did not calculate the instantaneous turn rate.

    You calculated an average turn rate over 6 seconds which was 13-14 deg/sec.

    The data is not to hand. There is not sufficient data here to calculate the instantaneous turn rate in deg/sec.

    If you want to (approximately) calculate the instantaneous turn rate as deg/6sec then you’ve done it.

    Don’t be arrogant, and appoint yourself as an expert (trying to put everyone else down in the process) if your going to post up mistakes. You’ll only lead those that don’t know better astray.

    in reply to: World's best fighters #2552222
    kilcoo316
    Participant

    For other people’s benefit: I have quoted sustained turn rate of F-4F, while the values of the MiG-23ML show instantaneous.

    You’ve shown an averaged turn rate for the MiG-23 ML… not the max instantaneous turn rate (which is specific to one airspeed/altitude – not a range).

    in reply to: World's best fighters #2552263
    kilcoo316
    Participant

    In avionics is as good as the F-16 and in weapons it is as good, i would say it is slightly better

    I reckon its avionics would be far ahead of a -16C Blk 30 (USAF) and more on par with the latest Blk 60s…

    in reply to: World's best fighters #2552447
    kilcoo316
    Participant

    Nope. BVR face shots are allowed.

    If thats the case then the whole setup isn’t really realistic.

    For both pilots to start the fight off in their preferred positions is mutually exclusive (they’ll want to sneak up on the other guy’s 6)

    in reply to: World's best fighters #2552460
    kilcoo316
    Participant

    A good point, but the F-4 could carry a gun pod.

    Meh…

    Was it not pretty much a waste of time (vibration throwing the sight off?)

    in reply to: World's best fighters #2552501
    kilcoo316
    Participant

    F-4 vs Mirage, head to head, 1v1, pilots of equal ability, which jet will be the most likely to be shot down?

    So its a post-merge dogfight?

    in reply to: F-15 breaks up in flight. #2552543
    kilcoo316
    Participant

    Hopefully those in charge will have the two brain cells required

    Ooooohhhhhhh…..

    Thats a mighty big assumption there 😀 😀 😀

    After all – politicians don’t know the meaning of spend $5 today, save $10 in a couple of years time…

    in reply to: World's best fighters #2552555
    kilcoo316
    Participant

    Your statement however is unprecise as always. You first forgot to mention the speed/altitude/weight of the F-4, secondly the version and finally the configuration.

    And what of alternate configurations of the -23?

    Specifically wing sweep…

    Let me show you like experts do it:
    From page 251 of the -23ML manual you’ll see that with wing sweep 72° it turns 180° in ~19 seconds at 5000m, starting at 900km/h indicated airspeed and being at 500km/h when the half-turn is finished. Hence, it has bleeded about 70% of its kinetic energy. The instantaneous turn rate is 180°/18sec = 10 deg/sec. This is with maximum thrust.

    You have not measured instantaneous turn rate there…

    That is an averaged turn rate over a variation of air speeds – which is by definition not instantaneous.

    I don’t have the graphs, but at 900 km/hr entry speed its almost certain that the turn is structure or control limited at the beginning.

    If your going to claim to be an expert – at least make sure your post is right 😉

Viewing 15 posts - 106 through 120 (of 721 total)