1970 – “STEM” Space Manipulator Arm – George Klein, Spar Aerospace (Canadian)

Prime Vehicle "STEM" System The "STEM" system would be similar to the serpentuator, except that the translation/stabilization subsystem would be replaced by a STEM (Storable Tubular Extendible Member, Spar Aerospace Prod). The basic STEM concept is depicted in Figure 5-12. FIGURE 5-12 STEM PRINCIPLE The STEM is a continuous strip of resilient metal which is …