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Questions tagged [spacesuits]

Questions regarding the spacesuits that astronauts wear whilst in space

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Does the SpaceX spacesuit address any of the criticisms of ACES raised by Columbia Crew Survival Investigation Report?

A brief history of what Shuttle crews wore for ascent and entry, from the Columbia Crew Survival Investigation Report: The shuttle was originally designed to be operated in a shirtsleeve (bare-hands) ...
Whizzo's user avatar
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8 votes
0 answers
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Smart suits in development

This is an offshoot of this question. There's a new generation of space suits coming up (Z-series, anything that the Zvezda NPP has up its sleeves), and I wonder at the level of sophistication of ...
Deer Hunter's user avatar
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7 votes
2 answers
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Why do the SpaceX suits require "drying" during the mission?

In the period when the Crew Dragon Demo-2 mission was initially docking with the ISS, before the hatches were open, one of the tasks was to "dry the suits". They reported on the status later, ...
300D7309EF17's user avatar
6 votes
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Can an astronaut have a private communication during a spacewalk?

In this NASA page it describes an astronaut remaining in contact during an EVA. While inside these pressurized suits, it's essential that they (the astronauts) remain in constant communication ...
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Can astronauts in currently planned pressure suits survive a cabin which cannot be repressurized?

Imagine the Crew Dragon (or Stariner or Orion) has just achieved orbit. Due to a manufacturing flaw or a meteor, the window suddenly blows out. All 6 of the crew manages to get their suit visor's ...
Johnny Robinson's user avatar
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What are the technical differences between AxEMU and xEMU?

On March 15, 2023, Axiom Space sort-of unveiled their lunar spacesuit, based on the NASA xEMU. I say sort-of because apparently, though the Axiom suit is selected for Artemis III, missions following ...
Erin Anne's user avatar
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5 votes
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Design considerations for a space suit going to Mars?

Essentially, I am trying to design a heat exchanger for a space suit traveling to mars. From my understanding, I assumed that the energy generated from the space suit relates to the astronaut as well ...
Rye's user avatar
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Are ferrofluidic seals used in spaceflight? Main applications? Human-rated?

Comments below this answer have inspired this quesiton. Wikipedia's Ferrofluidic seal sez: Ferrofluid-sealed feedthroughs routinely operate in environments including ultra-high vacuum (below 10⁻⁸ ...
uhoh's user avatar
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5 votes
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Why is the Sokol suit white instead of safety orange?

The Sokol is a Russian rescue suit that continues to be used today$^{(1)}$ for launch and landing. It protects the wearer from depressurization, but because it has no micrometeroid and limited ...
DrSheldon's user avatar
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5 votes
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What is the method of joining fabric to the glove and helmet rings in a spacesuit called?

What would you call the method of joining fabric to the glove and helmet rings in a spacesuit by clamping it between two metal rings?
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Have external food/drink for EVA suits been considered?

This chat between ex-Mythbuster Adam Savage and ex-astronaut Mike Massimino mentions the danger of getting water inside your helmet in freefall. I idly mused about a (probably stupid) idea: that if ...
Erin Anne's user avatar
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What do I use to make a Neck Ring?

I’ve been working on a homemade space suit, and I’ve been trying to figure out on what to use to make a neck ring. But so far I can’t really find anything, Does anyone know what I could use for the ...
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On which celestial bodies could you use the Apollo moon suits too?

If you wore the Apollo lunar suit on celestial bodies other than the Moon, on which bodies would you survive (until oxygen run out)? You obviously couldn't wear them on any (recognized) planet because ...
Giovanni's user avatar
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Exploration EVA by donning a dust protection suit over a pressure suit

It seems to me that a pressure suit for the Moon or Mars would be a lot easier to design if astronauts were simply required to don a dust protection suit over the pressure suit before going outside. ...
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Why the Snoopy Cap rather than a conventional headset?

Why do American astronauts wear the "snoopy cap" elastic hood with communications headset rather than a more conventional style of headset that doesn't have a hood? Does the cap provide ...
ikrase's user avatar
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Why was the Communications Carrier Assembly black and white?

I understand the CCA, the headset for NASA astronauts, was made up of lycra and teflon fabrics. Is there a reason, relevant to space flight, that the two materials were different colors?
Bob516's user avatar
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Noise inside an ACES/pumpkin suit helmet?

As I understand it there was plenty of noise inside a NASA EVA suit helmet from fans circulating the air. Was the Advanced Crew Escape Suit helmet for launch and reentry similarly noisy?
Bob516's user avatar
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What is currently known as the thinnest combination of material to hold 1 atm in space?

What is currently known as the thinnest combination of material to hold 1 atm in space? Note: must define what the composing materials are.
anon's user avatar
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Combined Mechanical Counterpressure and Gas-Pressurized suits

The "Mechanical Counterpressure" (or SAS) space suit is the holy grail when it comes to mobility, flexibility, and being lightweight however it also has it's share of problems. It's very difficult to ...
Dragongeek's user avatar
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2 votes
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A Parmitano ‘maneuver’

Referring to the 2013 incident when Italian astronaut Luca Parmitano suffered a leak in his EVA suit causing water to build up dangerously around his face. By the time he was approaching the airlock, ...
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2 votes
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Why did NASA want the Z-2 prototype spacesuit need to mimic the appearance of sportswear?

NASA has been considering a new type of space suit, the Z2 Spacesuit, "in order to protect NASA astronauts embarking on a new class of mission, NASA has to build a new class of space suit. Far off ...
Bob516's user avatar
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2 votes
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How are xEMU's rotating joint at waist level shock proof?

Following this question about new spacesuits (xEMU), I was wondering how resistant to shock might be the biggest rotating seal, (at waist level) considering an astronaut might fall or be hit by some ...
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2 votes
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100 views

Does the design of Orlan's entry hatch preclude the use of waist bearings?

One major difference between the Extravehicular Mobility Unit and the Orlan space suits is the entry method. EMU uses waist entry while Orlan uses rear entry. The waist entry allows EMU to use a waist ...
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How to repressurize a vacuum chamber really fast?

There was an accident during a suit test in a vacuum chamber on December 14, 1966. The suit lost pressure and The chamber – which would normally take 30 minutes to repressurized – was blasted back to ...
Uwe's user avatar
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1 vote
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IVA space Suit leakage

What is the allowed suit leakage for Sokol suit at 40kPa/5.8 psi. What is the allowed leak rate in IVA shuttle suits at 24 kPa/3.5 psi. What is the allowed leak rate from IVA suit helmet
Abhimanyu's user avatar
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Which would be more prone to regolith-ice-melting issues, a rover's wheels or an astronaut's boots?

This answer to Has NASA “gone south”? Why are astronauts needed to explore the Moon's south pole? and the question What would happen if an Apollo astronaut landed on Pluto? both touch on issues of ...
uhoh's user avatar
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1 vote
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56 views

How many space suit types could be used at the ISS when Starliner, Crew Dragon and Soyuz are all active?

I just watched the CBS news video SpaceX and Boeing competing to capture the American flag in space about the "race to bring the flag home". It got me wondering about the variety of suits. I lose ...
uhoh's user avatar
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1 vote
1 answer
479 views

What are the quickdraws for around the torsos of the crew-1 crew?

From a NASA tweet we can see the crew exiting, with a pair of quickdraws around their chest: Oddly, everyone seems to get a different model: What are these used for?
Phil Frost's user avatar
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What improvements will Axiom Space's Artemis spacesuit bring to current EMUs?

We know a design focus of the Axiom Extravehicular Mobility Unit (AxEMU) is to offer more flexibility for size fitting and movement than current EMUs, both for spacewalks and moonwalks. Based on what ...
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Can space suit gloves hear, feel, or otherwise sense information through augmentation? Will they?

@mdouglasbibbey's answer describes a situation where it was impossible to "hear" = feel important information while working on Hubble during an EVA, including haptic feedback when a quick ...
uhoh's user avatar
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