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it can be harmful only when the fighter is nosing up heavily.in this case there will be less air for the engine and it means engine stalling.but considering they have wind tunnel with the speed of 8 and 3 mach.they have tested it already and no worry about it.They are suffocated at high AoA. Not suitable for maneuverable planes.
firstly notice every engine copy a specified combination of air and fuel.on the other hand they will use an Iranian designed engine for it.They are small even for a single RD-33.
Do u see a gap between the hull and intakes?
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Its called divertor.
link for the claim?because it should be a very unstable design instead.Only plane with such wings was Boeing Bird of Prey. It was slow unmaneuverable test bed. And after testing Boeing ditched this type of wing for normal.
i think you are talking about that picture that the pilot's knees are seen in the picture?thats normal.the polit's knees will be hiden in order to accessing rudder's pedal in the cockpit.Its too small for regular man.
and i didnt deny it.all im saying is that the radar can be located near the pilot where the body is wider and the radar can be placed there.AESA radar also needs area.
OMG!my apology!i mixed up canard with sth else.BUT F-313 doesnt use canard at all.as i said this design is very unique.you can call that part "forward" wing.becaus it does cause the lift F and there is aileron on it,exactly same as a wing.U can easily see it on pics:
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And also note silly thick curved profile. Here how the REAL canards look like:
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yes thats not good for over two mach speed (as mashreghnews claimed)1) Thick curved wing profile from pre-WW2 era.
and why?2) Rectangular entrance near intakes which kills stealth
Speed has nothing to do with angle-of-attack (AoA).it can be harmful only when the fighter is nosing up heavily.in this case there will be less air for the engine and it means engine stalling.but considering they have wind tunnel with the speed of 8 and 3 mach.they have tested it already and no worry about it.
سلام ...
ماکت به نمایش درامده از این جنگنده دارای ظاهر خوبی هست ، اما حالا حالا ها نباید منتظر نمونه واقعی بود ، تست های بیشماری رو باید طی کنه و به احتمال زیاد در قسمت ورودی موتور ، نوزکان (دماقه، اون وینگلت های عظیم و انقلابی هورنر تیپ ! که علی الظاهر قابلیت فوقالعاده ای در حرکت در ارتفاع پست به این طرح میده و همچنین در ابعاد موتور و کاکپیت دستخوش تغییرات خواهد شد ، این نمونه ساخته شده (مدل ایرودینامیکی هست
که پس از قرار گیری اجزا نظیر مخازن مختلف ، پمپ های هیدرولیک ، ژنراتور ، فلای با وایر و زیرسامانه های کنترلی و ... ابعاد قطعاتی که باید ساخته و جایگذاری بشن بدست میاد ، و سپس مراحل تست های ارتعاش شکستن بال ، کانارد و ... به اجرا در میان ، در نهایت باید کلی ساعت تست های استال ارتفاع کم و ارتفاع زیاد ، بازگشت کنترل و بخصوص تست های گرم و مخرب شکستن بال و ... باید صورت بگیره ....
در خوشبینانه ترین حالت کمتر از 3 سال آینده منتظر پرواز این مدل نباید بود و کمتر از 8 سال تولید انبوه صورت نخواهد گرفت ، مگر اینکه سرمایه گذاری زیرساختی عظیمی صورت بگیره ، ...
از نظر موتور هم ، علت اینکه موتوری براش در نظر گرفته نشده چالش طراحی هواپیماست که در انواع حالت ها بروز پیدا میکنه ، معمولا باید وزن کل بدست بیاد تا بشه موتوری رو تخصیص داد ، و وقتی وزن کل و ماموریت تعریف شد ، اجبارا موتوری باید پیدا بشه که در این ابعاد جا بگیره و در این محدوده وزن باشه که بعیده بدون دستکاری مجدد طرح ! چنین چیزی رو براحتی پیدا کرد ، هرچند که الگوهایی برای تخمین توان موتور هست ، لیکن اگر میخواهید موتوری برای این طرح در نظر بگیرید باید چیزی رو پیدا کنید که حداقل نسبت رانش به وزن 0.4 داشته باشه ، و هرچه این نسبت بالاتر باشه توان جنگنده در سرعت ، مانور ، حمل بار و ارتفاع پرواز بیشتر خواهد شد ، به گفته سردار سلامی این جنگنده برای ارتفاع پست طراحی شده و این قابلیت رو داره که در کلاتر های زمین حذف بشه و اصلا دیده نشه ، که این هم یک نوع ماموریت هست و موتوری خاص میخواد ...
http://blog.seattlep...taticfixbig.jpg
http://www.flightglo...0x536-79527.jpg
اضافه کنم ، این طراحی برای ناونشینی مناسب و جالب هست ، بخصوص اینکه طول بال کمی داره و نوع بال های انتهایی قابلیت استفاده از ورتکس به منظور برآزایی در رژیم های سرعتی کم رو میده ، بخصوص لحظه خروج از عرشه و رسیدن به سرعت مناسب بر روی باند ، چرا که به محض بالا آمدن دماقه جریان چرخشی هوا در زیر بالهای عقب محبوس میشه و هواپیما بسرعت روی این جریان میفته ، حالا باید دید که عدم پایداری پس از اون چه مناسبتی و چه مانوری رو احتیاج خواهد کرد .
warior - military.ir
Pictures:
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You cant avoid physics laws.it can be harmful only when the fighter is nosing up heavily.in this case there will be less air for the engine and it means engine stalling.but considering they have wind tunnel with the speed of 8 and 3 mach.they have tested it already and no worry about it.
Too small. Look at intakes of JF-17.firstly notice every engine copy a specified combination of air and fuel.on the other hand they will use an Iranian designed engine for it.
secondly still the intakes are not that small to me.
That will decerase the size even further.![]()
thanks for the information.
anyway do you see two red things covering the whole intakes?thats called "cover".so how are you aware of lacking diverter?plus many fighters even dont use diverter at all.
This is Boeing Bird of Prey:link for the claim?because it should be a very unstable design instead.
anyway this design is far different to F-313.firstly that bird use much smaller wing.secondly F-313 wing is also different to that of bird of prey in case of shape and the whole idea.plus F-313 is unique and uses two wing for flying sth which is completely new and different to the whole design of bird of prey.
Knees, chair everything is too small.i think you are talking about that picture that the pilot's knees are seen in the picture?thats normal.the polit's knees will be hiden in order to accessing rudder's pedal in the cockpit.
and i didnt deny it.all im saying is that the radar can be located near the pilot where the body is wider and the radar can be placed there.
Two wing configuration? WHats that? WW1? Red Baron?OMG!my apology!i mixed up canard with sth else.BUT F-313 doesnt use canard at all.as i said this design is very unique.you can call that part "forward" wing.becaus it does cause the lift F and there is aileron on it,exactly same as a wing.
Such a thick curved wing is terrible for anything beyond 700 km/h.yes thats not good for over two mach speed (as mashreghnews claimed)
Because right angle = stealth killer.and why?
the real plane has 4 intakes, 2 on the top and 2 on the bottom. But the ones on the bottom can be opened automatically depending on the situation and also can be opened manually by the pilot.
If you look carefully at the plane you can see what looks like two intakes on bottom but they are covered, so I assume this mock-up is a bit old and the real one is somewhere else. This idea for 4 intakes is actually very smart, I wonder what the size of the two intakes on the bottom will be.
No different than how many single engine fighters have 'split' inlet systems, like the MIG-21 and the F-35.I heard from some sources that the real plane has 4 intakes, 2 on the top and 2 on the bottom.@gambit any comments on the bold part ... is it even possible![]()
It is an ACUTE angle in both images. Compare with the one below. Perspective effect!
Such a thick curved wing is terrible for anything beyond 700 km/h.