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[Brandi Dean] We're back in Building 7 again
in the spacesuit lab with Marc Ciupitu again.

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And he's going to tell us...we talked a
little bit last time about the Orlan suit.

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He's going to tell us a little bit
now about how it differs from the EMU,

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the Extravehicular Mobility Unit,
that we use on U.S. spacewalks.

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So we've got the EMU here next to us.

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Maybe you can point out a few of the features.

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[Marc Ciupitu] Sure.

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I mentioned that on the Orlan how you ingress
through a door on the back of the suit.

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So that's one of the main differences

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between the two suits...how you
put the suit on, how you don it.

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The EMU is made more like clothing basically.

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You have all these components
that you have to put on.

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The heart of the torso is attached in
the station so the crew can ingress it.

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But for each crew member you
have to add your own arms.

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They're on lower torso.

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So the crew ingresses through the heart of the
torso and then they have to pull the pants,

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if you will, the lower torso assembly
on and they lock that into place.

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They have to put the helmet on as well.

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Cause that's not attached like on the Orlan.

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And then lastly they put on the gloves.

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[Brandi] Okay.

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So you were showing us on the
Orlan suit how they have to,

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kind of cinch to the different sizes.

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We have different size arms and legs and
hard upper body torso and things like that.

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[Marc] Correct.

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[Brandi] Right?

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[Marc] Each crew member, the EMU
is tailored to them specifically.

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So we launch specific components
for them to match their sizing.

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[Brandi] You can have really long arms
but really short legs if you want.

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[Marc] That's right.

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[Brandi] Okay.

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And then we've seen people get into the
suits on the station in microgravity.

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I'm sure it's probably even a
little easier than it is here.

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You have to kind of crawl up into it.

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[Marc] Correct.

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The back...the backpack is
locked in place in the station.

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The crew will already have
donned the lower torso.

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And they sort of have to wiggle their way
inside the heart of the torso to the arms.

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It's not an easy procedure and once they're

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in there they lock the lower torso
in place and then the helmet.

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[Brandi] Okay.

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And how long does it take us
to get ready for a spacewalk?

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[Marc] We're around four hours.

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Around the same time.

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[Brandi] Okay.

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[Marc] The other difference to point

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out is...you see the display
and control module here.

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Basically, it has all the
components put together that you see

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on the Orlan is split up in four.

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You have this electrical control
panel, the gauge, the pneumo-hydraulic

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and THE interface for the umbilical.

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It's four separate areas.

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Whereas on the EMU it is all together
on the display and control module.

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[Brandi] And I always think
it's interesting how the letters

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and numbers are backwards on the suit.

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[Marc] Correct.

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the crew member can only see using wrist
mirrors that they put on the gloves.

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So they have to put everything [unintelligible].

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Right they are installed on the gloves.

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[Brandi] And then they can hold
it front of their chest to see.

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[Marc] That's the only way they
can see basically on the chest.

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[Brandi] Okay.

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[Marc] Another main difference to point
out is the pressure inside each suit.

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The EMU operates at 4.3 PSI.

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The Orlan operates a little
bit higher at 5.8 PSI.

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So the EMU is a little less strenuous
for the crew member's to work in.

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More flexible.

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[Brandi] Alright.

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And I know...I mean...our suit was designed

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when we were starting the shuttle
program right...and I'm sure.

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I don't know how...how old is the Orlan?

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[Marc] The Orlan has the first
version back in the Voskhod,

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when they had the Salyut, their space station.

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So it's been from the late 60's.

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[Brandi] So, yeah.

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We're doing really pretty amazing
things with some old technology.

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[Marc] That's correct.

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We work on trying to achieve the same
goal, independently, continents apart.

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But we came to the same goal,
just different avenues.

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In the end they are all doing the same thing.

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[Brandi] And I know here at NASA we're working
on building some new designs for spacesuits.

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We should get some cool stuff
to see pretty soon.

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[Marc] And hopefully we can collaborate
with our international partners

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and we'll come out with a good final product.

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[Brandi] Well thank you again Marc.