Suited for Spacewalking pdf - Virtual Astronaut

estricted, the student group should adjust thearm length by changing the lengths of thePCV rings used. When the fit is comfortable,and the range of movement is acceptable,record the sizing data in the log chart that isprovided. The sizing process can be repeatedwith a different student.Tips• All the materials for this guide can be obtained atlarger hardware stores. Pick a thin wall sewerpipe without holes in its sides. A 10 foot lengthof pipe is inexpensive and will provide materialfor several sets of arms.• A long sleeve shirt worn by the astronaut willreduce any possibility of pinching skin betweenpipe segments.• Use the saw to cut the sewer pipe.Have someonehelp you hold the pipe as you cut it. Use sandpaperor a sharp knife to remove burrs left on thepipe segments after sawing.• Duct tape pieces can be removed and used againfor joining segments. White duct tape can besubstituted for gray tape to improve the appearanceof the arms or one inch wide masking tapecan be used.• Actual arm measurements for spacesuit fittinginvolve more measurements than just arm lengthand range of movement of the extended arm int h ree planes. Other necessary measure m e n t sinclude upper and forearm circumference, handand finger size, knuckle location, and movementof the forearm from the elbow.Suited for Spacewalking An Activity Guide for Technology Education, Mathematics, and Science, EG-1998-03-112-HQ • 7 9