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Japan stealth jet prototype set to fly in 2014

Can't they make own engines? this suprises me all the technology they have but they still struggling with jet engines, I think they made bad mistake to put all the eggs in one basket in going with USA now they are stuck on what to do i dont think they they planned this very well

They can but starting from scratch in making fifth gen engines is ridiculous. Even Russia and Europe with all their experience and funds have not.

Currently they don't build any jet engines for their planes even license produced.
 
That is big problem then so how they gonna produce 5th gen engines for this fighter? oh let me guess rope in USA once again to help them??
 
That is big problem then so how they gonna produce 5th gen engines for this fighter? oh let me guess rope in USA once again to help them??

Lockheed Martin and other American companies like GE were likely in it from the begginning looking at the similarities between it and the F 15.
 
Lockheed Martin and other American companies were likely in it from the begginning looking at the similarities between it and the F 15.


But if they not willing to sell F22 to Japan what chance is it they will give up their 5th gen technology for this fighter? unless they offer a watered down version for the Japanese airforce
 
But if they not willing to sell F22 to Japan what chance is it they will give up their 5th gen technology for this fighter? unless they offer a watered down version for the Japanese airforce

Well thats to be expected. F 35 even though a JV for other countries miss features like DAS.

Also they can make a killing on selling just engine expertise, and other components.
 
Well thats to be expected. F 35 even though a JV for other countries miss features like DAS.

Also they can make a killing on selling just engine expertise, and other components.


There was big palava with USA and UK on the issue of source codes for the JSF even though UK was the first partner in the project which funded a % of the development cost, USA were still not providing codes even to UK!! crazy
 
There was big palava with USA and UK on the issue of source codes for the JSF even though UK was the first partner in the project which funded a % of the development cost, USA were still not providing codes even to UK!! crazy

Do you have a source for that? Thanks.
 
Jap anese air force still using stone age F-4s, enough said. they can't even make a full sized wind tunnel for aerodynamics tests, how are they going to do experiments on their plane? use their stone age supercomputer, also noting that CFD techniques still can't replace actual tests even on the best of supercomputers?

Their design is also just a slightly modified F-15, modified intakes. They might as well buy the F-15SE.

For those that still talk about WW2 and Japanese aviation industry, why not talk about Mongolia being ultra powerful because it has the best horse cavalry? Skill in propellar planes is totally irrelevant to modern planes, China never had indigenous propellar planes and went straight for jets. Propellar planes are as relevant to modern air warfare as horse cavalry is to a modern army.
That is just outright stupid...

AIAA - Aerospace America Online - JAPAN LOOKS TO SCRAM INTO SPACE - In the race to build the world
In the 1980s, Japan built new wind tunnel facilities for testing hypersonic engines at the NAL’s Kakuda Propulsion Research Laboratory 250 mi. north of Tokyo. In October, NAL will merge with the National Space Development Agency of Japan and the Institute of Space and Astronautical Science, or ISAS, which funds space research.

Japanese hypersonics advocates hope the merger will elevate the funding status of their high-speed flight research. “We are going to propose the funding matter to the new agency after it is formed,” says Nobuo Chinzei, a manager at NAL.
 
^^
Gambit being a military person can you explain the issue of the source codes for the JSF are they being offered to partners? perhaps not all but how about UK your closest partner?
 
Do you have a source for that? Thanks.



The Ministry of Defence has said it is confident it will receive software code that controls the Joint Strike Fighter, despite US assertions that they will not deliver the source code to any of the programme's international partners.

An MoD spokesman said: "The Joint Strike Fighter (JSF) is progressing well and the UK currently has the JSF data needed at this stage of the programme, and is confident that in future we will continue to receive the data needed to ensure that our requirements for operational sovereignty will be met."

"This remains the basis of the agreements reached with the US in 2006."

Jon Schreiber, who heads the JSF programme's international affairs, told Reuters in November that no partner country will be getting the F-35 source code. "That includes everybody," he said.

Although withholding the estimated 8 million lines of onboard software code needed to operate the F-35, the US is setting up a 'reprogramming facility' at Elgin Air Force base in Florida. The facility will be responsible for "electronic warfare mission data creation and rapid reprogramming for US military and foreign military (Coalition) partners."

"New operational flight programmes will be disseminated out to everybody who's flying the jet," said Schreiber.

"Nobody's happy with it completely," he said, but "everybody's satisfied and understands."

In 2006, Lord Drayson had threatened British withdrawal from the JSF programme if the US did not provide the software.

Later that year, Prime Minister Tony Blair and US President George Bush announced that Britain would be able to "successfully operate, upgrade, employ and maintain the Joint Strike Fighter such that the UK retains operational sovereignty of the aircraft."

UK 'confident' over JSF software - Defence Management
 
^^
Gambit being a military person can you explain the issue of the source codes for the JSF are they being offered to partners? perhaps not all but how about UK your closest partner?
Sorry...That is highly speculative and policies can change from one US administration to the next. But I do know from experience in radar alone that companies can receive permissions from the US government to share limited information. Flight controls codes are more restrictive, partly because of the nature of the system itself in that flight controls codes are tied to the aircraft's design itself, whereas the radar system can be 'standalone' and can be adapted to another aircraft. You really do not want to mess with the flight controls laws. That is a disaster waiting to happen.
 
USA better give us the source codes otherwise we will invade USA and establish the Queens rule like in south park :woot:
 

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