Vĩnh biệt huyền thoại F-22
http://breakingdefense.com/2014/06/gen-mike-hostage-on-the-f-35-no-growlers-needed-when-war-starts/3/
Chuyên gia Mỹ xác nhận F-35 có RCS nhỏ hơn F-22 - chấm dứt huyền thoại F-22 tàng hình tốt hơn F-35
Gen. Mike Hostage On The F-35; No Growlers Needed When War Starts
By
Colin Clark on June 06, 2014 at 4:25 AM However, one Pentagon source familiar with the cyber and electronic warfare capabilities of the F-35, EA-6B and the Growler was more sympathetic to the other planes’ EW capabilities.
“The F-35 complements the EA-6B and EA-18G — not replaces. That may change in some long range plans but in the near future they complement each other,” the source said in an email. “Right now we need them both.” And so the discussion goes. But Gen. Hostage was crystal clear in his assessment.
Stealth Is Not Invisibility
“But in the first moments of a conflict I’m not sending Growlers or F-16s or F-15Es anywhere close to that environment, so now I’m going to have to put my fifth gen in there and that’s where that radar cross-section and the exchange of the kill chain is so critical. You’re not going to get a Growler close up to help in the first hours and days of the conflict, so I’m going to be relying on that stealth to open the door,” Hostage says.
F-35 in air-to-ground and air-to-air roles
“The F-35 was fundamentally designed to go do that sort of thing [take out advanced IADS]. The problem is, with the lack of F-22s, I’m going to have to use F-35s in the air superiority role in the early phases as well, which is another reason why I need all 1,763. I’m going to have some F-35s doing air superiority, some doing those early phases of persistent attack, opening the holes, and again, the F-35 is not compelling unless it’s there in numbers,” the general says.
“Because it can’t turn and run away, it’s got to have support from other F-35s. So I’m going to need eight F-35s to go after a target that I might only need two Raptors to go after. But the F-35s can be equally or more effective against that site than the Raptor can because of the synergistic effects of the platform.”
Radar cross-section
The F-35′s cross section is much smaller than the F-22′s
http://www.defense-aerospace.com/articles-view/release/3/154510/usaf%E2%80%99s-gen-hostage-speaks-again-on-f_35.html
Chống lại radar mặt đất F-35 chẳng hơn máy bay gen 4
As it can be seen, many F-35s shaping features are in either Rayleigh or resonance scattering region of VHF radars. Situation with early warning HF radars is even worse, as they not only have very long wavelengths, but also come from above after reflecting from the atmosphere. Situation is somewhat better with S and L band radars, but F-35s RCS against these is still far higher than against X band radars. Even against X-band radars, it is only stealthy (LO) from front and rear; against S-band radar, it is stealthy from narrow front aspect, while only limited reduction is achieved from direct front against L-band radar; this is in part thanks to nozzle design, whose segments act as Rayleigh or resonance reflectors in all bands with lower frequency than X band.
Against ground-based X-band radars, its side RCS will likely be similar to that of conventional fighter.
http://defenseissues.wordpress.com/2013/10/19/how-stealthy-is-the-f-35/
F-35 theo 1 số nguồn tin có thể xem là offical source của Canada cho biết RCS F-35 là 0,15-0,25m2 (F-35 has a 95% RCS reduction over 4th-gen jets according to Julian Fantino.
http://www.scribd.com/fullscreen/86823457).
Крейсерская скорость: 800 км/ч. F-22 khi bay toàn phải đeo CFT là gì ? ko tăng RCS à ! ko biết RCS là gì à ?
F-22 CR chỉ có 759 km thôi. Giờ muốn tiếp cứu ở vùng Kuril thì sao mà bay tới từ sân bay dân sự Alaska gần nhất cũng >4000km. Mà cũng ko cần radar vì optics A-50 thấy F-22 từ phạm vi 800km rồi
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udency:
