The paint scheme

Discuss the F-35 Lightning II
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delvo

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Unread post14 Jun 2013, 03:05

I mean the "new" one, after they dropped the original dark-top-light-bottom pattern of the prototypes...

Why highlight the panel edges?
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munny

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Unread post14 Jun 2013, 05:59

Deep channel RAM for leading/trailing edges...etc. Better against shorter wavelengths and more absorbent against engagement radar frequencies.

For the surfaces that would be RAM tape to break up/prevent creeping surface waves from reflecting back at surface discontinuities.

...and.... it looks badarse!!! F-35 looks a little whale-like without em (being so curvy and shiny)
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delvo

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Unread post16 Jun 2013, 20:24

I'm not getting how the color several inches AWAY from the edge affects wave interaction AT the edge. Are you saying it's one piece of tape spanning right over the joint between one panel and the next, and the tape's just really wide?
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SpudmanWP

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Unread post17 Jun 2013, 15:26

It's not tape and does not need to be reapplied whenever it's accessed.

This is one area where the LO on the F-35 is cheaper to maintain than the F-22.
"The early bird gets the worm but the second mouse gets the cheese."
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munny

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Unread post18 Jun 2013, 03:46

SpudmanWP wrote:It's not tape and does not need to be reapplied whenever it's accessed.

This is one area where the LO on the F-35 is cheaper to maintain than the F-22.


You're right, not wrong. I assumed they covered the gaps between surfaces, but they are merely edge treatments.

Image

Either way, same purpose. I read somewhere that having numerous rows of surface materials with varying conductivity causes surface waves to be diffused and reflected gradually (then they're hidden by noise, atmospheric attenuation) rather than causing a single large reflection at the trailing edges of the aircraft/surface.
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popcorn

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Unread post18 Jun 2013, 04:36

also have to take into account the much tighter tolerances achieved in fitting the panels together..

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