j) Measure discontinuities on transition between sectors. k) Develop alternative methods to recharge the sector capacitor. 1) Develop bucket steering and damping by active feedback. m) Develop high acceleration "peeloff" section to permit payload release by the bucket. In addition to the above mentioned tests, the following tests should be done to verify aspects of the pull-only mass driver: a) Test a 3-10 phase drive coil structure with capacitors and SCR's in order to measure the mutual inductance effects on the drive currents. b) Measure the effect of the loss of a single phase while others are operating on the drive currents. c) Repeat any of the tasks (a-m) experimentally if required, otherwise transform those results to the pull-only circuit. Other future work should include the following: a) Research into critical components such as SCR's, capacitors, and ohmic/superconducting buckets. b) Research on failure modes within different kinds of mass drivers. c) Study the reliability of components and their effect in the total mass driver system. d) Develop alternative accelerator concepts such as resonant LC drive circuits, all inductive drive circuits, switching done by SCR's, triggered vacuum gaps, fiber brushes, or others, and systems being either closed loop with recirculating buckets or open loop with only an accelerator. e) Explore methods to reduce system complexity. f) Study and develop the pulsed induction reaction engine for LEO to GEO orbit transfer missions. g) Study the application of mass drivers for retreiving asteroids such as Apollo—Armor or earth Trojans (if discovered). h) Study the application of mass drivers for earth launching either totally or as a hybrid with a chemical (solid) upper stage.
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