1 - 10 of 15 Chapters
[An explanation of the basic premise of the spacecoach, a reference design for a reusable, water-based solar electric spacecraft for long duration interplanetary missions.]
[The multiple uses for water and water-rich materials on long duration missions include crew consumables, radiation shielding, thermal regulation and life support. On a conventional ship water is dead weight, while on the spacecoach most of it can be reclaimed for use as propellant via electric...
[The spacecoach design pattern utilizes electric propulsion, in combination with consumable waste streams such as water, carbon dioxide and gasified waste as propellant. This results in greatly reduced mass budgets by eliminating the need for external stages for the interplanetary legs of a...
[Spacecoaches, at least in the inner Solar System, will be powered by large solar photovoltaic arrays or sails that are sized to generate several hundred kilowatts to a few megawatts of electrical power. This chapter explores the development of photovoltaic technology and explores ship...
[Spacecoaches, because of the abundance of water and consumables on board, will be able to support larger crews, and will provide excellent life support safety margins. Water is also an excellent radiation shielding material, and will mitigate radiation risks on long journeys. This chapter also...
[The spacecoach design pattern borrows heavily from the computing and telecommunications industries, where many small improvements in component technologies have led to continual improvements and cost reductions over several decades. This chapter explores how spacecoaches can be made field...
[Spacecoaches will never enter a planetary atmosphere, but they will be able to reach low gravity sites such as the Martian moons and asteroids. This chapter explores ship and mission configurations to reach these destinations, as well as configurations that include more conventional landers for...
[Safety and Autonomy: Spacecoaches, because of the abundance of water and consumables on board, and the absence of high thrust rockets with catastrophic failure modes, will be inherently safer and should also provide a high degree of autonomy compared to conventional spacecraft and mission...
[The component technologies used in spacecoaches can be refined rapidly and inexpensively in ground-based facilities, and then tested in downscaled uncrewed flights. This chapter explores the basic design pattern and outlines a development and testing schedule for these ships.]
[This chapter describes the methodology used to develop mission templates and cost estimates, using only known technologies and launch platforms.]
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