Japan unveils first stealth fighter

Military aircraft - Post cold war aircraft, including for example B-2, Gripen, F-18E/F Super Hornet, Rafale, and Typhoon.
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Corsair1963

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Unread post15 Apr 2019, 09:56

While, Japan has the skills to eventually develop the technology for a future fighter. It would take decades to develop and billions if not trillions to do so. While, the current Defense Budget is already pushed to the limit.....
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hornetfinn

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Unread post15 Apr 2019, 11:22

knowan wrote:Probably IFF antenna again, not radar.


Probably. This is how it's done in F-35 and seems like Su-57 will do also. People often assume that AESA antenna automatically means radar but it can be pretty much any RF system. Such an antenna could also be used for low frequency ESM or even for long range communications.
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zero-one

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Unread post15 Apr 2019, 11:40

Times have changed,
India and Korea have developed successful lightweight fighters despite having less money and experience producing fighters,

At least the Japanese had experience developing a successful Maritime Strike fighter. 1st in the world with AESA and armed with AESA equiped AAM-4B
You could argue that for some time it had capabilities that surpassed everyone else's, perhaps the best Strike Fighter of the 90s.

We have no problems believing the UK can build their Tempest, despite not being able to build their own supersonic fighter outside of joint ventures since the BAE Lighting in the 50s. Japan has the same experience with the F-2 and a bigger economy than the UK. and unlike the tempest, the ATD-X actually flew, So why all this doubt if they can.
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marsavian

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Unread post15 Apr 2019, 11:48

Typhoon was a direct evolution of the BAE EAP prototype which flew.
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hornetfinn

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Unread post15 Apr 2019, 11:55

I don't think anybody is really doubting if Japan can do it when it comes to technology or skills. What I'm doubting is if their budget will allow developing such a fighter without affecting other areas too much. I also doubt if they should do it beyond a technology demonstrator and research item. I also have my doubts about developing Tempest, but we will see.
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Corsair1963

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Unread post16 Apr 2019, 01:30

zero-one wrote:Times have changed,
India and Korea have developed successful lightweight fighters despite having less money and experience producing fighters,

At least the Japanese had experience developing a successful Maritime Strike fighter. 1st in the world with AESA and armed with AESA equiped AAM-4B
You could argue that for some time it had capabilities that surpassed everyone else's, perhaps the best Strike Fighter of the 90s.

We have no problems believing the UK can build their Tempest, despite not being able to build their own supersonic fighter outside of joint ventures since the BAE Lighting in the 50s. Japan has the same experience with the F-2 and a bigger economy than the UK. and unlike the tempest, the ATD-X actually flew, So why all this doubt if they can.


Your missing the point. If, Japan wanted to spend a Trillion Dollars and take a couple of decades to solo develop a fighter. It is capable of doing so........Yet, from all available information it is not.

Which, is why it will join with a partner or partners to do so.
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weasel1962

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Unread post16 Apr 2019, 03:29

F-35 R&DTE cost is ~$60b. F-22 was $35b. Typhoon was ~Euro 20b. Gripen ~$13b. KF-X $8b.

R&D costs are also amortised over a decade. That means roughly $1b to $3b a year for a decent program. Well within Japan's affordability. However, decisions normally take into account aerospace industry revenue generation (see link provided earlier), that's a big ratio for Japan.
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Corsair1963

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Unread post16 Apr 2019, 04:21

weasel1962 wrote:F-35 R&DTE cost is ~$60b. F-22 was $35b. Typhoon was ~Euro 20b. Gripen ~$13b. KF-X $8b.

R&D costs are also amortised over a decade. That means roughly $1b to $3b a year for a decent program. Well within Japan's affordability. However, decisions normally take into account aerospace industry revenue generation (see link provided earlier), that's a big ratio for Japan.



I should have said tens of "Billions" not Trillions. Nonetheless, my point was clearly an exorbitant amount... :roll:
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zero-one

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Unread post16 Apr 2019, 07:44

Corsair1963 wrote:Your missing the point. If, Japan wanted to spend a Trillion Dollars and take a couple of decades to solo develop a fighter. It is capable of doing so........Yet, from all available information it is not.

Which, is why it will join with a partner or partners to do so.


Why do you keep insisting that. It is the exact opposite of what they are saying
https://thediplomat.com/2019/02/japan-t ... r-project/

The source said that the development and production of Japan’s new F-3 stealth fighter jet will be led by the country’s military aircraft industry with the possibility of collaboration with external partners


They have the money and they want to spend it along with years of development to Solo develop a fighter.
In fact collaboration is just a possibility for them not the priority and joining others is not even on the table.

You can join them, but they won't join you. Thats what all available information tells us, not the other way around
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