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the cygnus cargo ship headed to the

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international space station later

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tonight will deliver supplies for the

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crew and more science experiments just

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as previous ones have done before but

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this cygnus will also be carrying a new

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all-in-one exercise device which was

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prepared for flight in just about a

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year's time

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recently my colleague brandy dean spoke

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with fernando zumbato the project

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manager for the miniature exercise

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device too

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and she started by asking just how much

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smaller this miniature device is

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compared to the hardware on orbit right

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give you a reference on what we have on

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orbit right now air at the advanced

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resistive exercise device wonderful

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piece of equipment weighs several

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thousand pounds it's about the size of a

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phone booth large phone booth

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um and that's four we do for strength

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training now for aerobic or cardio what

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we use is a treadmill and it's similar

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to what you see in in a gym now the

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miniature exercise device is 65 pounds

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wow and it's about the size of a large

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backpack so you can actually take it on

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your car and

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drive away that's a that's a big change

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it is a big change order magnitude at

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least and size and volume we're really

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pushing the engineering so how did you

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um how did you do that how did you how

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did you size it down like that

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so unlike

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t2 and a red we use an electric motor

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that has a pulley attached to it and the

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user pulls on that pulley now we can

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control the force

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that the user sees by controlling the

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torque on the motor so there's something

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unique that hasn't been done yet and it

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provides a lot of flexibility to make

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sure that we're providing with the crew

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needs for exercise and you can change

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the load by just pushing a button so

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it's very dynamic and very versatile

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that sounds nifty so this is the uh

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miniature exercise device two right

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correct that will be going up on the

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next cygnus vehicle absolutely and i

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assume that means there is a miniature

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exercise device one it is uh it was a

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proof of concept that we just had some

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spare parts in the lab and we put them

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together and we actually

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had the equinox at c-test two try it out

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so we just want to make sure that it was

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a capability that we could expand on and

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they actually enjoyed it they made some

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good comments and we incorporated those

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into the med too and

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aquanauts on c test two that's um an

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underwater project to test out some of

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the concepts for that we'd like to spend

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send into space um underwater

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coastal florida in an environment

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similar to space that's not actually

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quite so hard to get to

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um but how did that test out go

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it went well um we realized that for

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what we had in the lab it was a little

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underpowered

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it was a little noisy so we wanted to

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bring that

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noise level down but we got some really

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good lessons learned from there and

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now we're actually taking md2 hopefully

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to another nemo mission to an underwater

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environment so we can kind of compare

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the two in the same environment as well

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as comparing it to a space station okay

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well if we've already got an exercise

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device or a few that work on the space

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station why is it important to

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miniaturize them

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very good question uh

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if you go on a mars transit it's going

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to be a really long time period and the

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crew actually lives in a much smaller

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volume that they do on space station so

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having a big exercise device um is not

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conducive because usually it's a lot

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more power you lose a lot more mass

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and our current architecture you would

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need one for strength and one for cardio

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okay so our device combines both into

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one

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so it reduces mass it reduces the volume

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that they need to use it and so it's

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something that we would need to

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regardless okay yeah i've seen the

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inside of orion and the cockpit and i

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don't think you can fit an a red in

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there so no certainly not all right but

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we of course want to the crew to keep

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exercising that's going to be important

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no matter where we go but especially on

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long duration missions yeah just

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maintaining the strength of their bones

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and their muscles it's really important

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for the crew so has it been an

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interesting project for you to work on

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yeah it's been fantastic um i have a

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great engineering team and we've come

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across several challenges and just like

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any new

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engineering endeavor it's just the proof

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is in the pudding and we're actually

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very excited to see it on orbit okay

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well i understand this kind of came

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about through um initiative here at

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johnson space center con 5 by 2015. can

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you tell us what that's about yeah it's

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a really interesting initiative that

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started at the center level and at the

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space station program level where they

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wanted to get some payloads flowing to

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the space station um within one calendar

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year and they met design fabricated and

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certified to fly wow that's that's

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accelerated

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and we're so um concerned about safety

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obviously that some of the processes

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um for payloads that are non-safety

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critical items were sometimes too

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extraneous so we wanted to make sure

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that we tailor down up to the to the

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minimum things that were needed to

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maintain safety and then improve the

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usability for research on the space

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station okay and apparently it was a

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pretty good success it was a great

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success um they liked it so much that

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there's actually a new class um they're

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called project x and and 2016 has some

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really neat development so i'm actually

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excited to see what they uh provide okay

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space station so are we yeah we'll hope

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to hear more about those in the future

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but in the meantime we've got to get the

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miniature exercise device 2 up to the

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space station on sickness uh what

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happens then i assume it doesn't

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immediately replace a red

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no actually our goal is not to replace

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everything again it's just an experiment

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that we're doing so first we're doing

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what we're calling like the engineering

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eval the shake out of the system we want

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to make sure that the device works

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appropriately and the crew is

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comfortable with it

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once we accomplish that that's when the

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fun starts and that's when the research

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really begins

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we're looking at the efficacy of the

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exercise meaning that can the crew do

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their exercise appropriately do get the

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loads that we need and once we complete

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that we'll get some feedback from the

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crew

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look at what we can improve

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in the control algorithm of the motor or

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sometimes we'll have to change our gui

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our graphical user interface to make it

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more friendly and we'll go from there so

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the the future is really bright for md2

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and i'm really excited to see it do you

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expect to eventually send an md3 up to

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the space station or that would be a

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great goal um

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currently we're providing both resistive

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and aerobic exercise

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there's a new modality of aerobic

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exercise which is wrong which currently

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doesn't exist in on space issue right

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now so hopefully if the crew liked it so

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much then we'll get the gig for an mbd3

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okay well good luck with that we look

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forward to seeing it in action in space

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um after it does arrive on cygnus

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thank you so much okay thank you for

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joining us again this was fernando