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KF21 First Flight Preparation

Is it fully 5th generation or 4.5th?

It is planned to be developed in stages, first and second block will be just 2 years different in time frame while according to the plan, there will be third block that will be full STEALTH
 
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If you see it small, then it is small because Korean can make smaller AESA radar. Smaller is better if the capability is similar with bigger radar.

Many countries cannot get F 35, it makes the market for KF21 quite possible for those countries ( in assumption the program can be completed as plan without any significant hurdle)
As long as it has US components esp. the engine, US will veto any sales that may compete with F35 sales or are to countries US does not want to sell.
 
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As long as it has US components esp. the engine, US will veto any sales that may compete with F35 sales or are to countries US does not want to sell.

Of course, the customers will only be among US allies, maybe not first tier since they prefer F 35, but second tier and third tier, and also among those closed allies who cannot afford F 35 like Polandia, Lithuania, and others
 
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If you see it small, then it is small because Korean can make smaller AESA radar. Smaller is better if the capability is similar with bigger radar.

Many countries cannot get F 35, it makes the market for KF21 quite possible for those countries ( in assumption the program can be completed as plan without any significant hurdle)
Smaller would mean lesser number of TR modules... It would also mean a narrower detection angles.... I wonder what leaps have the Koreans made in Aesa tech that will cover up this shortcoming in future proofing the jet.. you won't be able to have cheek mounted aesas as well... Sad because it must jave ample power considering the two engines...
 
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Smaller would mean lesser number of TR modules... It would also mean a narrower detection angles.... I wonder what leaps have the Koreans made in Aesa tech that will cover up this shortcoming in future proofing the jet.. you won't be able to have cheek mounted aesas as well... Sad because it must jave ample power considering the two engines...

The ones who made the plane are Phd's, they know what they are doing. For this thread I believe only @JamD that has capability to make some sort of good opinion on the design side
 
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IMO that unit is well ahead of being just a prototype. With the HMD/S in place, I think the KFX test units are already equipped with their avionics and, potentially, ready to take on their radars (if not already fitted). I don't think it'll be long before the KF-21 enters small-batch production and IOC status. I wonder if TAI is aiming to do something similar with the TFX where the prototypes are 95% of the way there configuration wise (i.e., HMD/S, avionics, radar, etc already in place before the maiden flight). @JamD @SQ8
Abhi batata hoon:p: :disagree:

The ones who made the plane are Phd's, they know what they are doing. For this thread I believe only @JamD that has capability to make some sort of good opinion on the design side
Not my area of expertise and I really don't want to be the gate keeper of technical things lol. I think @Iron Shrappenel has made a logical assessment. Obviously we can't know for sure but it would agree with the design philosophy of the aircraft too.
 
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Is that copy of the f22 licensed?

The code name of the final design is C109. It is refining of previous C 103 design which is made by ADD Korea and Indonesian Aerospace engineers. The C 103 basic design has been made before Korean Aerospace and Lockheed Martin join the program since 2015. KFX/IFX program is started since the beginning of 2011 where at that time there were only ADD Korea and Indonesian Aerospace (PTDI) as the developers.

Just to inform folks here, Korean Aerospace real design is KFX-E (single engine) which is rejected after long debate and derived more from F 16 design.

This is two basic design made in the end of 2012 (see the year posted in the picture)

1657330816907.png


More to understand what happen before 2015

(Use Google Translate)


C 103 design inside Indonesian wind tunnel facility


 
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The code name of the final design is C109. It is refining of previous C 103 design which is made by ADD Korea and Indonesian Aerospace engineers. The C 103 basic design has been made before Korean Aerospace and Lockheed Martin join the program since 2015. KFX/IFX program is started since the beginning of 2011 where at that time there were only ADD Korea and Indonesian Aerospace (PTDI) as the developers.

Just to inform folks here, Korean Aerospace real design is KFX-E (single engine) which is rejected after long debate and derived more from F 16 design.

This is two basic design made in the end of 2012 (see the year posted in the picture)

View attachment 860146

More to understand what happen before 2015

(Use Google Translate)


C 103 design inside Indonesian wind tunnel facility


Just saying it looks like the f 22 down to a t, would be surprised if it didn’t have anything to do with Lockheed.
 
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IMO that unit is well ahead of being just a prototype. With the HMD/S in place, I think the KFX test units are already equipped with their avionics and, potentially, ready to take on their radars (if not already fitted). I don't think it'll be long before the KF-21 enters small-batch production and IOC status. I wonder if TAI is aiming to do something similar with the TFX where the prototypes are 95% of the way there configuration wise (i.e., HMD/S, avionics, radar, etc already in place before the maiden flight). @JamD @SQ8
Ironically the way the JF-17 was pushed into the air.
 
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Is it fully 5th generation or 4.5th?
4.5th gen. it has no internal weapon bay. Once it carries any missile or bombs will increase the RCS and affect the super cruise.

Just saying it looks like the f 22 down to a t, would be surprised if it didn’t have anything to do with Lockheed.
No DSI? I doubt Lockheed teaches them much.
 
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S. Korea prepares for first flight of KF-21 fighter in late July​

All News 12:00 July 08, 2022
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By Kang Yoon-seung

SACHEON, South Korea, July 8 (Yonhap) -- A prototype of the homegrown KF-21 fighter under development strutted across its manufacturer's taxiway in a southern city, as South Korea is looking to conduct its maiden flight late this month.

In Wednesday's media event, the on-the-ground movement of the fighter was unveiled to reporters at the headquarters of Korea Aerospace Industries Ltd. (KAI), the country's sole aircraft maker, in Sacheon, 437 kilometers south of Seoul.

Co-organized by the Defense Acquisition Program Administration (DAPA), the demonstration represented steady progress in South Korea's 8.8 trillion-won (US$7.9 billion) program launched in 2015 to replace the Air Force's aging fleet of F-4 and F-5 jets with the new warplane.
The fighter's first flight test is expected to come late this month, though DAPA has yet to divulge a specific date given that any flight plan is subject to change due to weather conditions.
"The on-ground taxiing is aimed at checking the aircraft's integrity and operability," Kim Nam-shin, a senior manager of the KFX Program Division at KAI, said, referring to the jet development scheme, Korean Fighter Experiment.

The gray-colored, 16.9-meter-long aircraft, is the first KF-21 prototype revealed to the public in April last year. A total of six prototypes have so far been produced for testing purposes.
The national flags of South Korea and Indonesia were printed beneath its cockpit to indicate the Southeast Asian nation as a partner in the fighter project. Jakarta has agreed to shoulder 20 percent of the Phase 1 development program worth 8.1 trillion won.

A prototype KF-21 jet is spotted at the Korea Aerospace Industries (KAI) headquarters in the southern city of Sacheon, 437 kilometers south of Seoul, in this photo released by KAI on July 5, 2022. (Yonhap)

A prototype KF-21 jet is spotted at the Korea Aerospace Industries (KAI) headquarters in the southern city of Sacheon, 437 kilometers south of Seoul, in this photo released by KAI on July 5, 2022. (Yonhap)

Starting with a 40-minute test flight expected for this month, KAI said the six KF-21 prototypes will conduct a combined 2,000 sorties over western and southern waters through 2026.
South Korea seeks to achieve its "tentative" combat suitability in the latter half of next year and its "final" combat suitability in 2026 -- key procedures of the phased development process, officials said.

The mass production is expected to run through 2032.
If fully developed, South Korea will enter an elite club of currently seven countries with locally developed supersonic fighter jets.

The KF-21 employs various high-end technologies, including the active electronically scanned array (AESA) radar that tracks multiple targets with more advanced and efficient components.
It also has an infrared search and track (IRST) system that detects low-flying targets that emit infrared radiation, including anti-ship missiles.

The 4.5-generation fighter will be equipped with air-to-air missiles such as the AIM-2000 by Germany-based Diehl and the Meteor by Britain's MBDA.

During the second phase of the project from 2026 to 2028, South Korea will prepare air-to-surface combat capabilities of the KF-21, including missiles produced by U.S.-based Raytheon Technologies, Boeing and General Dynamics, as well as local firms such as Hanwha and LIG Nex1, according to officials.

DAPA is currently developing air-launched cruise missiles for the KF-21 as well.
colin@yna.co.kr
(END)

 
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