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1

Use steam to decelerate and cool the payload. Using the payload to create a tough, hollow container, shaped to be stable on reentry. Fill it with water. Reentry friction heats the water to steam, the resulting high pressure steam is directed out of nozzles positioned to decelerate the payload to a survivable value for impact speed into a body of water. This ...


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There was a proposed 'escape capsule' to be used to return from low Earth orbit called MOOSE (Man Out Of Space Easiest). It had an ablative heatshield backed up with an expanded polyurethane foam substrate. The foam was expanded prior to use, so that the 'escape capsule' didn't take up too much volume when stowed. Never built or flown, but some tests were ...


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Certainly trading kinetic energy for potential energy is an inevitable part of the process. In general this is important in controlling heating and g-forces. A fully ballistic re-entry would have only one (high) max g-force. Attempting to "pull-up" to achieve this is pretty universal. Its worth noting that there is nothing special about an ever-so-slight ...


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