Suited for Spacewalking pdf - Virtual Astronaut

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Extensions• When fitting spacesuit components to astronauts,more than 100 measurements are taken.Set up a measuring activity with students anddetermine the class average for each measurementmade. Because of certain sensitivities, youmay wish to avoid girth measurements. Refer tothe chart on the next page for data covering girth.Measurements on the chart provide the range ofm e a s u rements between the 5th percentile( 4 0 - year-old Japanese female) and the 95thpercentile (40-year-old American male). Theserange measurements are projections to the year2000 in a one-gravity environment.• Create a computer spreadsheet to compile classdata.EFGHLMVKJNSTBAOIRCDUQPSuited for Spacewalking An Activity Guide for Technology Education, Mathematics, and Science, EG-1998-03-112-HQ • 8 1
Body Size Range MeasurementsBased on 1989 Man-Systems Integration Standards, NASA-STD-3000Category Minimum (cm) Maximum (cm)A. Stature* 162.1 187.7B. Vertical trunk dimension 64.3 74.4C. Crotch height 74.4 38.9D. Knee Height 32.3 91.9E. Wrist to wrist distance 131.6 167.1F. Elbow to elbow distance 85.9 106.2G. Chest breadth 27.9 36.6H. Head breadth 12.7 16.5I. Hip breadth 32.3 38.9J. Arm reach 80.5 94.2K. Shoulder to wrist reach 62.2 73.7L. Chest depth 21.3 27.7M. Head depth 18.3 21.6N. Chin to top of head 21.8 24.4O. Hip depth 24.1 29.2P. Foot length 21.1 27.4Q. Foot width 8.9 10.7R. Thigh circumference† 52.1 67.1S. Biceps circumference (flexed) 27.4 36.8T. Chest circumference 89.2 109.7U. Instep NA 8.3V. Head circumference 55.5 60.2* Stature increases approximately 3 percent over the first three to four days in microgravity. Becausealmost all the change appears in the spinal column, other dimensions such as vertical trunk dimensionincrease proportionately.† Thigh circumference will significantly decrease during the first day in orbit due to the shift of fluid tothe upper torso.8 2 • Suited for Spacewalking An Activity Guide for Technology Education, Mathematics, and Science, EG- 1 9 9 8 - 0 3 - 1 1 2 - H Q
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National Aeronauticsand Space Admin
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National Education StandardsThe act
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National Mathematics StandardsNatio
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M e a s u r e m e n tThis activity
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need to be able to move arms, hands
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out in the vacuum of space.Dissolve
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Project MercuryEarly spacesuit desi
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to occur for the first time. As wit
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crew, an additional portable heat s
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and reentry, special orange-colored
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The SCU contains lines for power, c
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17.Communications Carrier Assembly
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settings to be read. Setting number
Page 30 and 31: digital display on the chest-mounte
Page 32 and 33: Astronaut Joe Tanner works on the H
Page 34 and 35: humidity when oxygen is flowing fro
Page 36 and 37: The problem of picking up rocks and
Page 38 and 39: Bruce McCandless II pilots the MMU
Page 40 and 41: Mark C.Lee test flies the Simplifie
Page 42 and 43: STS-76 astronaut Michael R. Cliffor
Page 44 and 45: Spacesuit technicians test the mobi
Page 46 and 47: Future spacewalkers will roam the s
Page 48 and 49: Introduction:The steps spacesuit en
Page 50 and 51: Design BriefC o n t ex t :Spacesuit
Page 52 and 53: Interface Control DocumentPage 1 Of
Page 54 and 55: Pulley close-upviewthe buck e t . T
Page 56 and 57: to them. Use a metric ruler for mea
Page 58 and 59: steel would make an excellent micro
Page 60 and 61: d ay or tw o, Ap o llo spacesuit ma
Page 63 and 64: Sleeve and Leg TesterInflated segme
Page 65 and 66: ity alone.If a scale were present,
Page 67 and 68: Exploration BriefMicrometeoroids an
Page 69 and 70: InvestigationPotato Astronaut—Par
Page 71 and 72: Exploration BriefKeeping Your CoolC
Page 73 and 74: AssessmentHave students design a gr
Page 75 and 76: InvestigationInsulating LayersIn th
Page 77 and 78: e nv i ronment experienced in Earth
Page 79: Arm Range of Movement Data SheetSub
Page 83 and 84: ProcedureStep 1. Obtain the materia
Page 85 and 86: Magnified view oftire valve and cla
Page 87 and 88: Extensions• Compare the stiffness
Page 89 and 90: 2. Tethers4. Connector Seal TestPla
Page 91 and 92: 9. Vacuum Experiment - 1Obtain an e
Page 93 and 94: You can investigate neutral buoyanc
Page 95 and 96: MMUMercuryORUPLSSRegolithRMSSCUSkyl
Page 97 and 98: NA S A’s Central Ope ra tion of R
Page 99: Suited for Spacew a l k i n gA Te a
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