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TomcatViP

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Viewing 15 posts - 4,876 through 4,890 (of 5,621 total)
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  • TomcatViP
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    I have to say that I am surprised to see every one focusing on a commercial approach. What can be done to be sold well. What are the service needs that we can fulfill…

    I understand the motto behind that but I think over confidence is what really driving such conversation. Do I have to remind all here the old rule when you are dealing with a complex industrial problem ? 80% of design = 100% of time&budget. Refining the last 20% can cost you as much time and a tremendous amount of what ever left in your own pockets.

    So lowering complexity is not a prudent approach. It’s a design objective! Or to say it less bluntly: it’s the requirement.

    I know that many here thinks the Yanks gradual approach to stealth was only a sign of their deficiencies and blablabla… But look for one second… From have blue to the NGB, how many prudent steps were taken by the top of the cream in this industry? And how many are Turkey, India Korea planing to take? One. ONE!

    C’mon guys. That path lead to a concrete wall. You’d either have your industry broke, your pilot frightened to take off in teh new stealthy widow maker, the OP perfs be anemic or the planes lightening up like Christmas tree on everyone scope.

    So ppl have to be reasonable. A first stealth jet fighter, for some industries that never have really completed a single modern fighter jet, is an achievement by itself. It’s not because of the internet that you don’t have to keep tracks of this fact.

    So. WHat all the digression above does told us ?
    – Size have to be small
    – Number of paneling components have to be kept low
    – Number of connected sub-assembly have to be low
    – Shape have to be either radical or completely conservatives
    – Mission panel have to be restricted to what the user will need IN NUMBER to balance it’s OP tempo
    – One single pilot
    – No unmanned
    – Mach >1.6 + k*F(available tech) : means that you don’t plan to use supernatural stealth composite to balance for a lack of industrial/R&D knowledge. You take what is supposedly available on the market and derived/create your own similar product.

    Months ago (years?) I pushed the idea of a wing on top, single panel wing composite skin design. basically, this is where you start: a bad looking supersonic stealthy Cessna.

    Regarding the eng, I known that many think that a twin is a modern choice, but may I remind you that this idea surfaced at the time when reliability of engines was not what we know today? That nowadays most twins are no more survivable that a single enginned fighters ? So unless you are planning to go wide spaced (hence the radical shape option), there is only detrimental consequences to go for a twin.

    Etc… Etc…

    TomcatViP
    Participant

    Yes yes. Modular Modular Modular. This is the new trend of the 5-/5+ or 6th Gen. I also firmly believe in that concept since I read the USN paper.

    Regarding the point you raise for a twin 125, in my view, there is no diff btw a twin light weight and a single light weight. A Welter is a Welter. I was opposing the heavier design to the lighter.

    TomcatViP
    Participant

    That article does not say that Korea has decided on a twin-engine design, merely that the Air Force would prefer one. There are different factions with different preferences: ROKAF, DAPA, KAI, ADD, IDA … and of course LM.

    Defense News

    …possible move… You’re right. I should have been more precise.

    Regarding LM, it’s another story. Or, more adequately said, a singularity in that story 😉

    in reply to: Military Aviation News-2014 #2244881
    TomcatViP
    Participant
    in reply to: Military Aviation News-2014 #2244889
    TomcatViP
    Participant

    http://m.yna.co.kr/mob2/en/contents_en.jsp?domain=3&ctype=A&site=0100000000&cid=AEN20140221003300315&mobile

    ROKAF back more ambitious twin engine design for KFX program.

    So they are favoring a twin heavy design that will cost more, be less stealthy, have less sensor sophistication and be more or less on par dynamically with what the US will have built in a greater number since a decade (at that time) and for less bucks…

    Sometime I wonder if all the French Programms leader have all emigrated in Asia. 😀

    in reply to: GENERAL UAV/UCAV NEWS AND DISCUSSION THREAD II #2245027
    TomcatViP
    Participant

    A very strong Return of Experience from the Chief of Staff of the Fr AF Gen. Denis Mercier regarding the Reaper:

    “The problem with the drone is the more we have, the more we need. It’s an essential capability,” he said.

    Sad only that Fr took so much time and such a cumbersome path to get there. But here we are now and that’s what is of any importance.

    in reply to: F-35 News, Multimedia & Discussion thread (2) #2245245
    TomcatViP
    Participant

    Mmm… LM being rather unopen about the problem: bulkhead cracks found in September 2013.

    http://www.defense-aerospace.com/article-view/release/151788/cracks-hav…

    read original article here

    “Because of the high hours accumulated,” this “discovery does not affect current F-35B flying operations,”

    Source:
    Bloomberg

    in reply to: Eurofighter Typhoon Discussion and News 2014 #2245470
    TomcatViP
    Participant

    LOL tht’s even less than what will cost a single A330 MRTT to taxpayers.

    And why should you have extra MRTT? Because you’d need to go en force to deal with the IADS without stealth assets.

    So, What you shld say on a pure logic basis is that operating more 35 will save money.

    in reply to: F-35 News, Multimedia & Discussion thread (2) #2245705
    TomcatViP
    Participant

    Competition would be a disaster. Given that I don’t know a single PLM soft at Industry level that work as advertised… I am very skeptical of launching a 1b$ RFP with armies of greedy commercials jumping on the basket. Better doing so internally, slowly or subcontracted to someone alrdy in the aero industry.

    We hve heard here about the numerous bugs, defects and the fact that it is Window based.

    However, the planned out of system operation time is one month. With or without bugs 🙂

    in reply to: F-35 News, Multimedia & Discussion thread (2) #2245712
    TomcatViP
    Participant

    […]
    Advanced F-16 (based on Block 60) could do 3 of the 6 missions and Gripen E could do only 2 out of the 6 missions.
    From the last two, F-16 Adv. was slightly favoured over the Gripen E.

    […]

    Thx for that Flex. Really informative. Even a single slide of a generic *.ppt* would be welcomed 😉

    I am still stunned LM or Boeing didn’t go for a Super16/18.

    in reply to: F-35 News, Multimedia & Discussion thread (2) #2245715
    TomcatViP
    Participant

    DJC – Leave it to journalists to get it wrong.

    So exactly how long can you sustain F-35 operations if ALIS malfunctions for any reason? Can you explain to the class how it operates globally while being air-gapped from any other network?

    It’s clearly stated in the documentation: 1 month.

    in reply to: Chinese Air Power Thread 17 #2246132
    TomcatViP
    Participant

    Segmented? Where?

    (by the way, it’s old 70’s stuff. Someone had to say it – Sry).

    I like the BL fence door with laser pre-cutting and punched/bent holes.

    in reply to: F-35 News, Multimedia & Discussion thread (2) #2246213
    TomcatViP
    Participant

    My post went chopped on the forum (Wifi in Mexico – run away from it!). So I deleted it. Sry

    TomcatViP
    Participant

    Perhaps the fact that the Eagle doesn’t have any LE device like slats or LE flaps makes an increase of AoA during SRT more acute.

    Generally speaking, I will tend to think that large platforms are far less sensible to MLU than smaller ones.

    in reply to: F-35 News, Multimedia & Discussion thread (2) #2246879
    TomcatViP
    Participant

    So pilot will have to turn their head 180° to see whats behind on their HMS???

    Logically they won’t have. User experience alrdy exist in the industry. Augmented reality is neither new to the US tht it is to Fr.

    But you know that…

    Regarding raw power, you also have to factor the concerns with security (passive, active, re-active) is the nbr 1 priority. I am not sure that this was fully implemented at program launch, but that must have been achieved now and this takes time.

    Most of the program can run well on fairly older processor if RAM and coding is appropriate (remember the old Comodore/Amiga models?).

    Concern is not on power but the usefulness of that. Very similar with the choice of having or not some canards to play with the AoA 😉

Viewing 15 posts - 4,876 through 4,890 (of 5,621 total)