Combat Aircraft Projects & Designs - Index in 2nd post

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J-11D/E (= Stealth J11 Upgrade)

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The-Blueprints.com - Blueprints - Modern Airplanes

great recourse

[Aeronaut]

Good work Haroon.

Dassault Mirage 4000 originally built for saudis , the project was cancelled as Saudis bought F-15s , Mirage 4000 program grew to become what we know as the Rafale.

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thanks black blood!

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the aerodynamics of the fighter also play an important role, other than the thrust to wt ratio..

Delta aircrafts have lower wingloading thus higher ITR.Swept winged have higher wingloading thus lower ITR.
Delta aircrafts are less aerodynamic so bleed more energy on turns, hence lower STR whereas swept winged planes have a higher STR since they bleed less energy.

The disadvantages, especially marked in the older tailless delta designs,[interceptors] are a loss of total available lift caused by turning up the wing trailing edge or the control surfaces (as required to achieve a sufficient stability) and the high induced drag of this low-aspect ratio type of wing. This causes delta-winged aircraft to 'bleed off' energy very rapidly in turns, a disadvantage in aerial maneuver combat and dogfighting.-- modern delta winged, also use canards aswell



http://www.defence.pk/forums/militar...ml#post1561981

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by munir----

You see F16 having huge elevators. It needs them cause it uses them to roll and without ailerons you do need some momentum... The JF17 has the conventional ailerons and does not use elevators to roll. But the tip of the JF17 is kind of angled... That has relationship with the vortices at the end of the wing which does make the impact zero at 1/5th end part of the wing. You see the same on many planes were ailerons end before the end of the wing. That last part it does not make any difference what the ailerons do. There is no control there. So with this angled part the JF17 eliminated the less controlled area of the elevator.

The F-16 design employs a cropped-delta planform incorporating wing-fuselage blending and forebody vortex-control strakes--
jf17-mid-mounted wings are of cropped-delta planform. Near the wing root are convex strakes, also called leading edge root extensions, which generate a vortex that has the effect of providing more lift to the wing at high angles of attack encountered during combat manoeuvres.





CONFUSED? Basic terminologies with labelled diagrams- perma link- http://www.defence.pk/forums/militar...esigns-26.html

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Diverterless Inlet The F-35's diverterless inlet lightens the overall weight of the aircraft. Traditional aircraft inlets were comprised of many moving parts and are much heavier than newer diverterless inlets. The diverterless inlet also eliminates all moving parts.

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Google Translate

prototype 1 and 4

prototype 4 and 6


just needed to post the basic design evolution of jf17 - to stop the speculations - important to point out jf17 prototype4 had radical changes from prototype1

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lca still is based on a primitive tailess delta design , without many modifications, which first flew even before the 1940s!-- funny thing is, they call jf17 with dsi an old design!!!

ive posted 25+ fighters in this category starting from

primitive tailless delta- m2k/mirage3/5 , nammer, kifir[experimented with a small fixed canard type],cheetah, eygptian, lca , f102, f106

XF-92 [1945]


then compound delta [without seperate canards]mig21 prototypes, f16xl-, draken, f108



cranked delta- like f7pg

then viggen came up with a fixed canard +delta

latest fighters now have moveable canards- j10 etc

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eygypt-- HA-300 -- 3 prototypes in 1970s [compare to mirage3/5]



F-102



cheetah
nammer


SO NOW you see where the lca stands , interms of design evolution!

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kifirprototypes
miage3f1mirage4000mirage2000mirage4