Pirs (ISS module)


















































Pirs

Sts110-363-001.jpg
The Pirs module attached to the International Space Station

Module statistics
Part of International Space Station
Launch date September 14, 2001
Launch vehicle
Soyuz-U/Progress M-SO1
Docked September 16, 2001
Undocked TBA 2018 (planned)
Reentry TBA 2018 (planned)
Mass 3,580 kg
Length 4.91 m
Diameter 2.55 m
Living volume
 13 cubic metres (460 cu ft)

Pirs (Russian: Пирс, meaning "pier") – also called "Stykovochny Otsek 1" ("SO-1") (Russian: Стыковочный отсек, "docking module" and DC-1 (docking compartment) – is a Russian module on the International Space Station (ISS). Pirs was launched in August 2001. It provides the ISS with one docking port for Soyuz and Progress spacecraft, and allows egress and ingress for spacewalks by cosmonauts using Russian Orlan space suits.


A second docking compartment, "Stykovochniy Otsek 2" or SO-2, was planned with the same design. However, when the Russian segment of the ISS was redesigned in 2001, the new design no longer included the SO-2, and its construction was canceled.[1] After another change of plans the SO-2 module finally evolved into the Poisk module, which was added to the ISS in 2009.


Pirs was scheduled to be detached from the ISS and deorbited in 2017 by Progress MS-06, to make room for the Russian Multipurpose Laboratory Module Nauka, however due to the repetitive delays with the laboratory module, this maneuver was postponed for Progress MS-09 in 2018.




Contents






  • 1 Design and construction


  • 2 Launch


  • 3 Future


  • 4 Airlock specifications


  • 5 Gallery


    • 5.1 Outside


    • 5.2 Inside




  • 6 See also


  • 7 References


  • 8 External links





Design and construction




Flight Engineer Kononenko photographs commander Volkov operating the manual Strela crane holding him. The commander stands on Pirs and has his back to the Soyuz spacecraft. Zarya is seen to the left and Zvezda across the bottom of the image.


The Docking Compartment has two primary functions: Provide a docking port for visiting Soyuz and Progress spacecraft and serve as an airlock for Russian EVAs.


The docking port can accommodate one Soyuz-TMA or one Progress-M spacecraft. Visiting spacecraft can deliver people and cargo to and from to the space station. In addition, the Docking Compartment can transfer fuel from the fuel tanks of a docked Progress resupply vehicle to either the Zvezda Service Module Integrated Propulsion System or the Zarya Functional Cargo Block. It can also transfer propellant from Zvezda and Zarya to the propulsion system of docked vehicles—Soyuz and Progress.


The two airlocks are used for spacewalks by cosmonauts wearing Russian Orlan-M spacesuits.


The Pirs docking compartment was manufactured by RKK Energia. The Docking Compartment is similar to the Mir Docking Module used on the Mir space station. The docking compartment's planned lifetime as part of the station was five years.



Launch


Pirs was launched on September 14, 2001, as ISS Assembly Mission 4R, on a Russian Soyuz-U rocket, using a modified Progress spacecraft, Progress M-SO1, as an upper stage.


The 3,580-kilogram Pirs Docking Compartment is attached to the nadir (bottom, Earth-facing) port of the Zvezda service module. It docked to the International Space Station on September 16, 2001, and was configured during three spacewalks by the Expedition 3 crew. Two Strela cargo cranes were later added by the STS-96 and STS-101 missions, carried up on Integrated Cargo Carriers and installed during EVAs.



Future


Pirs was originally scheduled to be detached from the nadir (bottom) port of the Zvezda module in 2014[2] to make room for the Russian Multipurpose Laboratory Module Nauka.[3] This has been delayed first to 2017 and then to 2018 due to a series of launch failures with the Proton rocket leading to delays in the launch of Nauka.[4] When that happens, Pirs could become the first permanent ISS module to be decommissioned, and would be destroyed during atmospheric re-entry.



Airlock specifications



  • Length: 4.91 metres (16.1 ft)

  • Diameter: 2.55 metres (8 ft 4 in)

  • Weight: 3,580 kilograms (7,890 lb)

  • Volume: 13 cubic metres (460 cu ft)



Gallery



Outside



  • Hover over each photo to view label detail




  • Pirs under construction at Energia in Moscow.







  • Progress M-SO1 with the Pirs module seen from the International Space Station during docking.







  • Cosmonaut Alexander Misurkin (top center), participates in a session of extravehicular activity (EVA) near Pirs module.







  • Image of the Pirs taken during a March 2009 EVA






Inside






  • Cosmonaut Oleg Kotov works with a Russian Orlan spacesuit in the Pirs Docking Compartment







  • Gennady Padalka (left) and astronaut Mike Fincke pose with their Orlan spacesuits







  • Oleg Kononenko is pictured near a hatch in the Pirs Docking Compartment







  • Cosmonaut Gennady Padalka, Expedition 20 commander, is pictured inside Pirs






See also




  • Poisk (ISS module) (similar module)


References





  1. ^ Anatoly Zak. "Docking Compartment of the Russian segment of the ISS"..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output q{quotes:"""""""'""'"}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}


  2. ^ http://en.ria.ru/russia/20130419/180737723.html


  3. ^ "Consolidated Launch Manifest". nasa.gov. 2011. Retrieved March 6, 2011.


  4. ^ http://www.russianspaceweb.com/iss_fgb2.html




External links







  • "Pirs Docking Compartment". NASA.









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