The Berkut (

Russian Russian(s) may refer to: *Russians (), an ethnic group of the East Slavic peoples, primarily living in Russia and neighboring countries *A citizen of Russia *Russian language, the most widely spoken of the Slavic languages *''The Russians'', a b ...

Беркут, meaning ''

golden eagle The golden eagle (''Aquila chrysaetos'') is a bird of prey living in the Northern Hemisphere. It is the most widely distributed species of eagle. Like all eagles, it belongs to the family Accipitridae. They are one of the best-known bird of pr ...

'') is a

space suit A space suit (or spacesuit) is an environmental suit used for protection from the harsh environment of outer space, mainly from its vacuum as a highly specialized pressure suit, but also its temperature extremes, as well as radiation and ...

model developed to be used for

extravehicular activity Extravehicular activity (EVA) is any activity done by an astronaut in outer space outside a spacecraft. In the absence of a breathable atmosphere of Earth, Earthlike atmosphere, the astronaut is completely reliant on a space suit for environme ...

for the

Voskhod 2 Voskhod 2 () was a Soviet crewed space mission in March 1965. The Vostok-based Voskhod 3KD spacecraft with two crew members on board, Pavel Belyayev and Alexei Leonov, was equipped with an inflatable airlock. It established another milestone ...

mission aboard a

Voskhod spacecraft The Voskhod (, ''"Sunrise"'') was a spacecraft built by the Soviet Union's space program for human spaceflight as part of the Voskhod programme. It was a development of and a follow-on to the Vostok spacecraft. Voskhod 1 was used for a three-ma ...

on the first spacewalk. It was developed by NPP Zvezda in 1964–1965. It was a modified SK-1 suit. It was only used by the Voskhod 2 crew.

Description

The Berkut spacesuit had two pressurization settings, one at 0.27 atmospheres and the other at 0.40 atmospheres (nominal mode). Movement within the suit was seriously restricted. The suit includes: helmet, spacesuit, and protective clothing. The astronaut's life is maintained through the on-board life support system or the backpack-type automatic system. The safety harness has been used during spacewalks. The helmet of the suit cannot be rotated, and it has a quick-release buckle. It includes a hard hat, a lifting visor and a light filter. The helmet is made of aluminum alloy, the size does not affect the movement of the head. The visor of the helmet is made of aluminum alloy. A light filter similar to that on an aircraft is placed inside the helmet. The astronaut's suit has a three-layer shell - a load-bearing layer on the outside and two sealed layers (main layer and backup layer) on the inside. The protective clothing is a bodysuit made of durable fabric and has multiple layers of vacuum insulation. The automated system consists of a KP-55 oxygen device and three oxygen cylinders placed in a backpack. Before going into space, the astronaut must put on the backpack and secure it to the spacesuit using a suspension system. Oxygen from the cylinders is directed into the helmet, then into the shell of the spacesuit and then released into the environment. A backup oxygen supply system is also provided - through a hose from the gas cylinders installed in the air chamber. This system is capable of regulating the pressure in the spacesuit. The safety harness is 7 m long and includes shock absorbers, steel cables, emergency oxygen supply tubes, and electrical wires.

Specifications

*Name: Berkut Spacesuit *Derived from:

SK-1 spacesuit SK-1 is an initialism of "Skafandr Kosmicheskiy" # 1 (Скафандр Космический = "diving suit for space") is a spacesuit that was developed specially for Yuri Gagarin. As such, it is the first spacesuit ever used. After his succes ...

*Manufacturer: NPP Zvezda *Missions:

*Function: Intra-vehicular activity (IVA) and

orbit In celestial mechanics, an orbit (also known as orbital revolution) is the curved trajectory of an object such as the trajectory of a planet around a star, or of a natural satellite around a planet, or of an artificial satellite around an ...

al Extra-vehicular activity (EVA) *Operating Pressure: *Suit Weight: *Backpack Weight: *Total Weight: *Primary Life Support: 45 minutes

References

Berkut
at

Encyclopedia Astronautica The ''Encyclopedia Astronautica'' is a reference web site on Space exploration, space travel. The encyclopedia includes 79,433 articles with 13,741 illustrations, a comprehensive catalog of missiles, spacecraft, space technology, astronauts, an ...

* http://galspace.spb.ru/museum-1.php?foto_page=38

External links

Video of Voskod 2 mission (Russian)

Photo of Berkut space suit at Memorial Museum of Cosmonautics in Moscow (38 & 39)

Photo of outermost layer removed
Soviet and Russian spacesuits Voskhod program {{Mech-engineering-stub