B.2 Current Loop/Magnetic_Field_Interaction These~Impacts~can- be made zero by particular design, but could be advantageously used by integrating them into the control system! A maximum of 10 million Nm could be obtained in GEO. In LEO the magnetic field is about 200 times as high as in GEO. B.3 Interaction_Between_Conductors This impact”Is~configuration dependent and can be held to reasonable levels. B.4 Antenna_Recoil This~reactlon force of the microwave beam is 22 N for each 5 GW antenna. I • 2.4.4 Structural Materials Fig.2.4.1: PHYSICAL PROPERTIES OF ALUMINUM AND GRAPHITE COMPOSITE [Source: 78/ 34] As the prime structural material carbon/epoxy composite is considered rather than aluminum because of the benefits due to weight, axial stiffness, thermal and mechanical behaviour. A cost equalization between aluminum and composite is estimated in mid to late 80’s at about £ 20/kg.
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