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Why Are Modern Stealth Designs W/o Canards  
User currently offlineLehpron From United States of America, joined Jul 2001, 7028 posts, RR: 21
Posted (12 years 6 months 5 days 14 hours ago) and read 3379 times:

Just wondering.

I just figure they cannot be as bad a the tailplane radar reflectivity, except they are not being protected by the wing in forward view...

Aren't they more manuverable w/canards?


The meaning of life is curiosity; we were put on this planet to explore opportunities.
6 replies: All unread, jump to last
 
User currently offlineLY744 From Canada, joined Feb 2001, 5536 posts, RR: 10
Reply 1, posted (12 years 6 months 5 days 13 hours ago) and read 3283 times:

Sukhoi S-37 Berkut:







MiG 1.44 MFI:






LY744.



Pacifism only works if EVERYBODY practices it
User currently offlineGDB From United Kingdom, joined May 2001, 13220 posts, RR: 77
Reply 2, posted (12 years 6 months 5 days 1 hour ago) and read 3259 times:

Impressive aircraft, but I would seriously doubt if they are at all stealthy, look at those intakes in the bottom pic!

User currently offlineJwenting From Netherlands, joined Apr 2001, 10213 posts, RR: 18
Reply 3, posted (12 years 6 months 4 days 22 hours ago) and read 3247 times:

Berkut is not stealthy, just somewhat reduced visibility by use of RAM on leading edges and intakes. Much like Tornado and F/A-18.
It's also not in production but a technology demonstrator.



I wish I were flying
User currently offlineLY744 From Canada, joined Feb 2001, 5536 posts, RR: 10
Reply 4, posted (12 years 6 months 4 days 18 hours ago) and read 3235 times:

Indeed, but the Russians claim that they are stealthy, after all, even the Su-37 has a significantly reduced radar signature. I guess we should give them the benefit of the doubt. If we don't consider these a/c, what are we left with? The F-22 and the F-35? If the S-37 still has some hope of one day leading to an operational fighter jet, the MiG 1.44 is deffinetely not going anywhere, as the Russian AF does not want to have anything to do with the a/c.

LY744.



Pacifism only works if EVERYBODY practices it
User currently offlineLehpron From United States of America, joined Jul 2001, 7028 posts, RR: 21
Reply 5, posted (12 years 5 months 3 weeks 6 days 21 hours ago) and read 3198 times:

So canards can be used but how about the stealth issue, are they a "dead give away"?


The meaning of life is curiosity; we were put on this planet to explore opportunities.
User currently offlineJwenting From Netherlands, joined Apr 2001, 10213 posts, RR: 18
Reply 6, posted (12 years 5 months 3 weeks 3 days 9 hours ago) and read 3170 times:

Any flat surface decreases the stealth signature of an aircraft.
Canards therefore do increase the RADAR crosssection, unless they replace traditional elevators. But that would most likely necessitate a larger wing which is also bad.
If you check the S-37 it has a very sharp and straight leading edges. Compare that to the far more blended design in the F-22 which was used precisely to reduce radar cross section. It does have RO (reduced observability) features like the small rounded air intakes which remind of the F/A-18 and an ogival instead of round nose (but the Soviet have been using that shape for at least 40 years so it's not new).



I wish I were flying
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