日本準備在2016-17年展開F-3的發展
本帖最後由 MightyDragon 於 2012-10-21 12:10 AM 編輯2016年才準備試飛F-3？看來日本的雄心壯志真是越來越縮水， 到了2016年大概殲-20已經是服役的狀態了 {:23:} 日本的技術驗証機「心神」如再無其他意外應可在2014年試飛，而至於最重要的組件：15噸級推力的發動機(文中指由石川島播磨重工業株式會社所研究)就不知進度如何，但一般來說計劃2030年能到量產的階段應該不難，只不知到時是甚麼世界吧...
Source: Aviation Week & Space Technology
By Bradley Perrett
Original title: Japan Aims To Launch F-3 Development In 2016-17
Sometime around 2030, if U.S. Air Force plans come to pass, a fighter that leaps ahead of Lockheed Martin F-22 and F-35 technology will enter U.S. service. At about the same time, if Japan's plans come to pass, a similarly advanced fighter will enter service on that side of the Pacific.
It might be the same fighter. Merging Japan's 2030s requirement into evolving U.S. plans for post-F-35 fighters seems to make great industrial sense. Japan plans to begin developing a homegrown fighter within five years, with the aim of beginning production under the designation F-3 around 2027. The defense ministry wants to lay the groundwork to go its own way by investing in stealth technology and building its own powerful fighter engine.
IHI Corp. is to develop a technology-demonstrator engine of 15 metric tons (33,000 lb.) thrust, according to an official document seen by Aviation Week.
Mitsubishi Heavy Industries is already building a small airframe technology demonstrator, the ATD-X Shinshin, which the ministry expects to test in the fiscal year beginning April 1, 2014. Mitsubishi Heavy is also very likely to build the F-3, which Japanese officials expect will carry a pilot.
Full-scale development would begin in 2016 or 2017 and the first prototype would fly in 2024-25, according to the ministry's plans. Series production is to begin in 2027 and the type would begin replacing Mitsubishi Heavy Industries F-2 strike fighters in the first half of the 2030s. In the second half of that decade it would begin replacing Boeing F-15Js. The F-15s are older but are likely to remain the mainstay of Japan's air-defense squadrons, with suitable upgrades (see following article).
The exact status of the ministry's plans is unclear, but they probably represent what it hopes to achieve, with some expectation of obtaining approval. It projects production of about 200 F-3s, which would follow the Lockheed Martin F-35 Lightning into Japanese service. Japan has decided to buy 42 F-35s and may build parts of them. The U.S. Navy and U.S. Air Force tentatively plan to begin fielding new fighters in 2030-35, the former sometimes using the name F/A-XX and the latter referring to its proposed F-X.
Two years ago, the ministry disclosed a research effort for what it called the i3 Fighter, intended to assemble a suite of advanced technologies for a future combat aircraft—or, some suspect, to be offered to the U.S. as a Japanese contribution to the next U.S. fighter. The ministry's Technical and Research Development Institute is leading the i3 Fighter work.
The ministry's plans are evidently firming up, and broadly match a road map for fighter development set out by Japanese industry in 2010. The industry proposal, though, included production of an imported aircraft—now determined to be the F-35—until 2028. While production of the confirmed batch of F-35s, which will replace F-4EJ Kai Phantoms, could not feasibly be stretched until 2028, it is possible that some F-15s could be replaced earlier by additional F-35s before F-3s replace the rest.
The power of the IHI demonstrator engine is surprising. It would generate 50% more thrust than the General Electric F414, two of which power the Boeing F/A-18E/F Super Hornet. The Super Hornet's thrust is not notably high for its empty mass, 14.6 tons (32,100 lb.), but in a twin-engine installation the output of the IHI demonstrator would be abundant for a larger, budget-straining aircraft. It does seem that Japan is looking for a twin aircraft: In a single installation, the engine would be adequate for only a modestly sized fighter, hardly suitable as an F-15 replacement.
Japan has discussed plans for such an engine for some time, but the specific thrust and intention to build a full-scale demonstrator have not been disclosed. Japanese industry revealed a drawing of the engine last year, showing that it would follow the general configuration of the Pratt & Whitney F119 and have a sophisticated arrangement of inlet vanes designed to disrupt radar reflections (AW&ST Feb. 14, 2011, p. 33). In its budget request for the fiscal year beginning April 1, 2013, the ministry has published drawings of three of the engine's modules: fan, high-pressure section and the low-pressure turbine.
The key goal of the engine program is to build an unusually slim turbofan. The low frontal area and the modest bypass ratio evident in drawings would both promote the ability to fly supersonically without afterburner. So would the generous thrust, although 33,000 lb. must be the afterburning rating; the maximum dry output is unknown.
Researchers are aiming to achieve the highest possible temperature at the inlet to the high-pressure turbine, the ministry says in its budget request. They can already achieve 1,600C (2,900F) but want to go higher during the study program, while also reducing engine weight, it says. Mitsubishi Heavy said last year it had achieved a 1,600C turbine inlet temperature, the highest ever, for an electricity-generating engine to be installed in a power station.
Previously disclosed elements of the Japanese engine research include single-crystal turbine rotor blades, stator blades made of ceramic matrix composite (a ceramic reinforced with carbon fiber) and an advanced combustor.
The proposed budget for the fighter engine development is ¥17.2 billion ($218 million), of which ¥4.5 billion would be spent in fiscal 2013. Research would run until fiscal 2017. From fiscal 2015, there would be “testing,” which may mean running the demonstrator.
A Japanese engine would not be needed if the F-3 program were merged into a U.S. fighter program, as industry executives suspect it will, since the U.S. would certainly supply its own powerplant. But by developing an engine, Japan will retain the freedom to power its own fighter should it not come to an agreement with the U.S. And even if it does, technology from the demonstrator might be useful to the U.S.
Japanese participation in the next U.S. fighter program is now conceivable because Tokyo has relaxed its arms-export restrictions, which in the past have largely prevented its industry from working with foreign partners. The way is not entirely open for cooperation, however, since Japan might be reluctant to supply some countries that the U.S. sees as suitable customers.
Stealth technology is also a feature of the F-3 program, as it has been for the i3 Fighter. That, too, is probably a hedge against failure to cooperate with the U.S., which is unlikely to need much Japanese help in that area when it designs its next fighter.
Other work flagged for the i3 Fighter might be enticingly dangled under the Pentagon's nose, though. The Technical Research and Development Institute and industry are working on skin sensors, directed-energy weapons and advanced avionics.
Arguing that neighboring countries—meaning China, South Korea and Russia—will have stealth fighters and longer-range missiles in the 2020s, the ministry is asking for ¥1.6 billion in fiscal 2013-16 to study integration of antennas into the skin of an aircraft, thereby helping to control radar reflections. The antennas would be those for electronic support measures, which listen to enemy transmissions, and electronic countermeasures (ECM), which jam and confuse them.
The ministry also wants to push ahead Japanese ECM technology, to preserve national independence in that area that was developed in building a system for the F-15. The ECM work must be part of what the ministry calls an “all-around surveillance and jamming system.” Japan is also looking for “reflection suppression” technology, apparently distinct from stealth shaping and materials. Details are unavailable. Results of this electro-magnetic work are to be assessed in 2019.
From fiscal 2010 the institute ran a ¥2.5 billion study on “internal weapons aerodynamics,” apparently an investigation into releasing bombs and missiles from bays, and now it wants ¥3.8 billion for further work, including a test rig.
...<div class='locked'><em>瀏覽完整內容，請先 <a href='member.php?mod=register'>註冊</a> 或 <a href='javascript:;' onclick="lsSubmit()">登入會員</a></em></div><div></div> 日本人還有錢做這架戰機的研發嗎
光是被美國人所敲詐都已經快被榨乾了 f-3就是心神嗎 這戰機研發很久了 另一個問題為何2016試飛 要到2030才能服役 白蓮梵天 發表於 2012-10-21 12:46 AM static/image/common/back.gif
日本人還有錢做這架戰機的研發嗎
光是被美國人所敲詐都已經快被榨乾了
日本有錢做這機研發,不過沒有技術而矣.他們的心神發動機出力才5噸,但F-3大小是重型戰機,100KN的總推力根本是不行 J20 2016年服役??美國人都沒有這樣的自信 每次這類型的自HIGH文 就是樓上這幾個跟著起舞~{:31:}<br><br><br><br><br><div></div> jonnhy1234 發表於 2012-10-21 02:12 AM static/image/common/back.gif
J20 2016年服役??美國人都沒有這樣的自信 每次這類型的自HIGH文 就是樓上這幾個跟著起舞~ ...
我跟你說第3架j20已經在測試了 你覺得2016可能性還小嗎
補充內容 (2012-10-21 03:01 AM):
超大 鐵血 飛揚 自己去看看 問題都係 j10 j11 j15 j20既心臟病問題十分嚴重 yastern 發表於 2012-10-21 01:08 AM static/image/common/back.gif
f-3就是心神嗎 這戰機研發很久了 另一個問題為何2016試飛 要到2030才能服役
有多少人去看下面那堆洋文
"Full-scale development would begin in 2016 or 2017 and the first prototype would fly in 2024-25, according to the ministry's plans. "
根據這一句話，首飛可能是2024或2025
假設2030能服役，進度和推估J-20能在2016服役相仿(J-20在2011/1/11首飛)
當然，根據5樓的說法，日本人和中共一樣信心爆棚...<div class='locked'><em>瀏覽完整內容，請先 <a href='member.php?mod=register'>註冊</a> 或 <a href='javascript:;' onclick="lsSubmit()">登入會員</a></em></div> 感謝分享
不管F3何時展開, 何時服役
至少日本也加入隱形戰機俱樂部...亞洲區繼中共後 , 日本是第2個有能力的國家
韓國呢? 我看也是時間問題而已
只有我們台灣原地打轉{:51:} 本帖最後由 AW050263AW 於 2012-10-21 01:42 PM 編輯
F-3將在2016~2017年開始全面發展，
根據該計劃，第一架原型機將在2024-25試飛?生產是在2027年開始???
購買F-35是為了取代F-4EJ
(日本認為單一的發動機，只是一個中型的戰鬥機，幾乎不適合作為F-15替代。)
生產F-3取代F-15J(認為雙發動機的F-3才可替代F-15)
但是計畫趕得上變化嗎????
2027年生產~國際間應該出第6代機了吧??{:36:}<br><br><br><br><br><div></div> 反正一定又是配屬寥寥幾架，日本製的兵器都十分昂貴... 一樣回歸到錢的問題
日本現在明顯有國力跟不上潮流的進步傾向
他們現在仍然執著嗎
之前的計畫顯然都是不斷被美國耍著玩
何不學學, 歐洲他們以實際為考量, 而非將自己侷限在努力的跟進美中呢 他們不是被大陸搞到一堆人沒錢賺了
還有經費搞這種超花錢的東西?? 心神
做的出來嗎{:51:}
這架戰機不知為何給了我他是F-15和F-22的合體 等日本弄出心神 這世界5代機估計也出來了!!沒錢沒技術還真玩了這種高科技!<br><br><br><br><br><div></div>