Bad time for stealth planes..

Awang se

New Member
Verified Defense Pro
Myth? Are u sure?
The S-300 and now S-400 has the range that far exceed the patriot pac3.
i believe americans deliberately limited the range of PAC-3. they have THAAD for suborbital altitude. they're not canceling THAAD right?

I don't believe in total stealth. an object as large as B2 bomber will give some effect to it's surrounding. it's just the case of what to look. with radar absorbing/deflecting and IR suppression technology and low silhouette mean's that the conventional detection means was beaten. you just have to find something new. probably gravity disturbance(don't take it seriously) or something more exotic.
 

Grand Danois

Entertainer
dioditto said:
Myth? Are u sure?
The S-300 and now S-400 has the range that far exceed the patriot pac3.
You need to pick up the location of the aircraft in order to cue the missile. You can have all the best missiles in the world, but they will matter little, if you don't know where to fire them.

PAC-3 is not really a SAM but an ABM. Hence, as I understand it, range was traded for better probability of kill vs ballistic missiles.
 

Awang se

New Member
Verified Defense Pro
Actually the forefather of the stealth aircraft design can be trace back all the way to WW2. German is the pioneered of the flying wing design with their Ho 229. it was design to penetrate British radar network.
 

gf0012-aust

Grumpy Old Man
Staff member
Verified Defense Pro
Awang se said:
Actually the forefather of the stealth aircraft design can be trace back all the way to WW2. German is the pioneered of the flying wing design with their Ho 229. it was design to penetrate British radar network.
I should have clarified my statement. It was with respect to the fielding of the F-117 which was the first operational combat aircraft to take advantage of the russian research - and fine tuned by the americans due to their advances in computing

The ground breaking algorithms were russian and developed in the early 60's. the russians however could never convert the theory into a working construct. It was the americans with their advances in computing that enabled them to develop an aircraft which under conventional design considerations was "unflyable"

As for the Hortens achievements - the engines negated the lo-vis (electronic) flying wing concept that they envisaged.

The Horetons are remembered more for the advances made in the viability of flying wings than in the field of radar minimisation techniques.
 

Awang se

New Member
Verified Defense Pro
Yes, I know about the russian source. it was suppose to be someone's PhD thesis paper right?
 
here is some more info

"In the 1960s, Russian scientist Pyotr Ufimtsev began developing equations for predicting the reflection of electromagnetic waves from simple two-dimensional shapes. His work was regularly collected and translated into English and provided to U.S. scientists. By the early 1970s, a few U.S. scientists, mathematicians, and aircraft designers began to realize that it was possible to use these theories to design aircraft with substantially reduced radar signatures. Lockheed Aircraft, working under a contract to the Defence Advanced Research Projects Agency, soon began development of the F-117 stealth fighter."

http://www.century-of-flight.net/Aviation history/evolution of technology/Stealth Technology.htm

A Short History of the F-117

"Pyotr Ufimtsev, a Russian mathematician, laid the groundwork for modern stealth when he published a paper in the 1960s describing a new method for calculating Radar Cross Section across a large surface. The Soviet Union showed little interest, but when the paper was translated years later, it was noticed by Denys Overholser, a Lockheed Martin "Skunk Works" employee. Overholser came up with a computer program called "Echo 1" which could predict the RCS of a faceted aircraft.

The Air Force at the time was alarmed about the lethality of new surface-to-air missiles. Israel's largely American­built air force had lost 100 fighters in 18 days to Arab SAMs in the 1973 Yom Kippur War, so USAF was looking for an edge against the missiles.
"

http://www.afa.org/magazine/june2001/0601stealth_print.html
 
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