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rpannier

(24,339 posts)
Wed Aug 12, 2020, 12:07 AM Aug 2020

Belly Of The Beast: Illicit Photos From Inside The Soviet Ekranoplan

https://www.rferl.org/a/photographer-sneaks-inside-the-legendary-soviet-ekranoplan/30777774.html


This is the Lun-class ekranoplan, a formerly top-secret Soviet naval vessel that could skim just above the waves at jet-plane speeds, evading radar and anti-ship mines.


The vehicle made use of the so-called “ground effect” -- a cushion of high pressure that forms under the wings of extremely low-flying aircraft, boosting speed and lift. Wave-skimming seabirds can often be seen utilizing the same phenomenon.


This summer, Russian urban explorer Lana Sator, 31, read about the ekranoplan being towed by sea to Derbent, a city in Daghestan, where it is due to be moved into a "patriotic park” and put on permanent display.


Controls inside the ekranoplan



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brush

(53,871 posts)
1. What an ungainly looking thing. Guess it didn't work too well for it to be put out of service...
Wed Aug 12, 2020, 12:15 AM
Aug 2020

and never coming to light to much of the West.

Successful planes are usually gracefully designed—airflow and all around them.

 

Codeine

(25,586 posts)
2. It's not really a plane, though.
Wed Aug 12, 2020, 12:43 AM
Aug 2020

Ground effects vehicles are their own thing, really; neither plane nor boat nor hovercraft but rather something in the middle of an overlapping Venn diagram of all those things. It flies just over the surface of the water, exploiting the physics of ground effects while remaining well under most radar detection.

The Lun-class was fairly impressive for what it was, as was the “Caspian Sea Monster” ekranoplan prototype that preceded it, but it came about just as the Soviet Union collapsed and was the victim of the resulting lack of funding. It also has a fairly limited application in terms of operational area — pretty awesome on the Caspian Sea, but that’s a finite space.

brush

(53,871 posts)
4. It's ugly as hell though. Wouldn't the superstructure, or whatever the architecture of the...
Wed Aug 12, 2020, 12:56 AM
Aug 2020

craft is called above the ground effects components, wouldn't the craft, if streamlined, have less air resistance and thus be even more efficient?

 

Codeine

(25,586 posts)
11. I don't pretend to get the physics
Wed Aug 12, 2020, 07:23 AM
Aug 2020

of fluid dynamics but most aircraft designers do, so I imagine our layman’s understanding isn’t applicable.

JHB

(37,162 posts)
12. The Lun's military role was to make long-distance stikes at aircraft carriers
Wed Aug 12, 2020, 07:41 AM
Aug 2020

The cylindrical things on top are missile launchers, and the bulbs on the tail are probably radars set high for maximum line-of-sight.

Ekranoplans had their strengths and weaknesses, but were never developed in the West because the major navies were large enough to cover the strengths by conventional means, without the weaknesses. The Soviets couldn't match that, so tried out more exotic, specialized methods. Plus, of course, politics were involved.

Decent overview here:

BannonsLiver

(16,460 posts)
5. Sometimes I forget those actually exist
Wed Aug 12, 2020, 01:02 AM
Aug 2020

Anglophiles, Francophiles might be the most common I’d think. I’ve never known a Russophile. Different strokes for different folks, I guess. Definitely not my thing.

captain queeg

(10,247 posts)
6. Cool idea and exceptional performance. On smooth water.
Wed Aug 12, 2020, 01:29 AM
Aug 2020

Funding cut before that could be addressed. I always wonder if that could have been fixed.

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