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Sturgeon's House

Aerospace Pictures and Art Thread


LostCosmonaut

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A bunch of Berkut/Firkin goodness has dropped, courtesy of Paralay on the Key Publishing forums:

 

Z7Rg7Dv.jpg

 

Model of a further-developed Berkut with rectangular nozzles.  Sukhoi actually test-flew a rectangular nozzle on an SU-27 testbed:

 

96c142beda656e975355b337cfb92702.jpg

 

They found that the nozzle dramatically reduced infrared signature, but that it was heavier and developed about 15% less thrust.  It is unclear why the PAK-FA uses traditional, round nozzles.

 

Paralay confirms what I had read before; Berkut was conceived as a naval bird:

 

XYN0aD3.gif

 

Forward-swept wings are particularly attractive for carrier-based aircraft because they give a little extra lift and a little extra roll authority during landing when compared to aft-swept wings.  Landing airplanes on boats is hideously dangerous, so even small advantages can make the difference.

 

And here is a deck plan of an Ulyanovsk-class carrier filled with naval Berkuts!

 

hSYxVm6.jpg

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A bunch of Berkut/Firkin goodness has dropped, courtesy of Paralay on the Key Publishing forums:

 

Z7Rg7Dv.jpg

 

Model of a further-developed Berkut with rectangular nozzles.  Sukhoi actually test-flew a rectangular nozzle on an SU-27 testbed:

 

96c142beda656e975355b337cfb92702.jpg

 

They found that the nozzle dramatically reduced infrared signature, but that it was heavier and developed about 15% less thrust.  It is unclear why the PAK-FA uses traditional, round nozzles.

 

Paralay confirms what I had read before; Berkut was conceived as a naval bird:

 

XYN0aD3.gif

 

Forward-swept wings are particularly attractive for carrier-based aircraft because they give a little extra lift and a little extra roll authority during landing when compared to aft-swept wings.  Landing airplanes on boats is hideously dangerous, so even small advantages can make the difference.

 

And here is a deck plan of an Ulyanovsk-class carrier filled with naval Berkuts!

 

hSYxVm6.jpg

This makes me moist. :)

 

Seriously.  Awesome.

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