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Sukhoi PAK FA: First Observations(Part 2)
Defense Professionals ^
| 02/11/2010
| Sergio Coniglio
Posted on 02/11/2010 12:06:33 AM PST by ErnstStavroBlofeld
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To: sonofstrangelove
On one of the earlier threads, many were inquiring about how the craft would hide the turbines from the inlets.
I found this picture elsewhere, and that might give a clue. Look at the shaped inlet channels:
To: James C. Bennett
Its a great looking plane, but in a match with a F-22 or F-23 we would win.
3
posted on
02/11/2010 12:13:01 AM PST
by
ErnstStavroBlofeld
("I have learned to use the word "impossible" with the greatest caution."-Dr.Wernher Von Braun)
To: James C. Bennett
Instead of F-23, I meant the F-35. We are 50 years ahead of the Russians when it comes to stealth technology.
4
posted on
02/11/2010 12:16:23 AM PST
by
ErnstStavroBlofeld
("I have learned to use the word "impossible" with the greatest caution."-Dr.Wernher Von Braun)
To: sonofstrangelove
>We are 50 years ahead of the Russians when it comes to stealth technology.
Sounds like BS.
Soviet Union and Russia never stopped development of radar absorbent / composite materials.
Soviet physicist named Pyotr Ufimtsev made important calculating turned out to be possible in making aircraft with stealth technology.
Stealth technology is not new discovery for Russians.
5
posted on
02/11/2010 12:48:16 AM PST
by
Primorsky
To: Primorsky
The Germans in WW II developed stealth technology by the Horton Brothers. The developed the HO-229 in 1944:
![](http://i190.photobucket.com/albums/z235/newbie_bucket/Go229.jpg)
![](http://i190.photobucket.com/albums/z235/newbie_bucket/stealth.jpg)
Here is the Stealth Bomber and the Ho229 compared together. It is all right to admit that you are wrong.
6
posted on
02/11/2010 12:56:58 AM PST
by
ErnstStavroBlofeld
("I have learned to use the word "impossible" with the greatest caution."-Dr.Wernher Von Braun)
To: sonofstrangelove
The NAZI design, however, is not true stealth. It used charcoal coatings to “absorb” radar.
True stealth, involves complex geometries along with radar-absorbent coatings, the theories for the former being developed only in the 60s.
IIRC, a Russian engineer published a series of works on the math behind it, and the Soviets, thinking that the research was pointless, allowed for its international publication.
To: James C. Bennett
The Nazis were the pioneers of all-wing stealth technology
8
posted on
02/11/2010 1:09:07 AM PST
by
ErnstStavroBlofeld
("I have learned to use the word "impossible" with the greatest caution."-Dr.Wernher Von Braun)
To: James C. Bennett
The Horten Brothers were there first.
9
posted on
02/11/2010 1:10:43 AM PST
by
ErnstStavroBlofeld
("I have learned to use the word "impossible" with the greatest caution."-Dr.Wernher Von Braun)
To: Primorsky
Yes, the theory behind stealth was a Russian discovery, but the aircraft designers never put it into practice. They have had great designers and mathematicians, but the political structure didn’t reward risk takers.
At this point, the new fighter is more like an F-18E, with reduced radar cross section, rather than true stealth.
To: sonofstrangelove
“In the 1970s, a key piece of the stealth formula emerged when the Americans discovered an obscure 20-year-old scientific paper by Pyotr Ufimtsev, a Russian scientist who had proposed reducing RCS by building an aircraft with flat surfaces and irregular angles, rather than the usual aerodynamically streamlined profile. Bill Schroeder, a mathematician for aircraft maker Lockheed (now Lockheed Martin), developed a computer program that made it possible to predict precisely the RCS of such an aircraft exterior.”
http://dsc.discovery.com/convergence/stealth/article/article.html
To: James C. Bennett
But the all wing design had its origins with the Horten Brothers
12
posted on
02/11/2010 1:16:33 AM PST
by
ErnstStavroBlofeld
("I have learned to use the word "impossible" with the greatest caution."-Dr.Wernher Von Braun)
To: sonofstrangelove
Don’t tell that to Jack Northrop.
13
posted on
02/11/2010 1:17:13 AM PST
by
usmcobra
(Your chances of dying in bed are reduced by getting out of it, but most people still die in bed)
To: usmcobra
14
posted on
02/11/2010 1:20:39 AM PST
by
ErnstStavroBlofeld
("I have learned to use the word "impossible" with the greatest caution."-Dr.Wernher Von Braun)
To: sonofstrangelove
He built his first flying wing in 1929.
15
posted on
02/11/2010 1:23:39 AM PST
by
usmcobra
(Your chances of dying in bed are reduced by getting out of it, but most people still die in bed)
To: sonofstrangelove
That’s true, and for the kicker, the Russian scientist who developed the theory for radar-deflecting stealth, is now an American, LOL!
He teaches at the Univ. of California, Irvine.
To: usmcobra
17
posted on
02/11/2010 1:28:10 AM PST
by
ErnstStavroBlofeld
("I have learned to use the word "impossible" with the greatest caution."-Dr.Wernher Von Braun)
To: James C. Bennett
18
posted on
02/11/2010 1:28:30 AM PST
by
ErnstStavroBlofeld
("I have learned to use the word "impossible" with the greatest caution."-Dr.Wernher Von Braun)
To: sonofstrangelove
And the Smithsonian has the remains of one of the brothers’ birds - it is a “restoration” project awaiting funding.
19
posted on
02/11/2010 1:34:31 AM PST
by
jamaksin
To: jamaksin
Heck I would give money to see it fly.
20
posted on
02/11/2010 1:35:11 AM PST
by
ErnstStavroBlofeld
("I have learned to use the word "impossible" with the greatest caution."-Dr.Wernher Von Braun)
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