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Comment: Re:Reaction Engines Ltd, SABRE Engine (Score 1) 92

by jklmuk (#39823103) Attached to: Key Test For Skylon Spaceplane Engine Technology

No word on what they'd use for thermal protection on re-entry

I did read somewhere (i thought it was on their website but can't find it now) that they wouldn't need ceramic tiles like the shuttle due to the high drag to weight ratio during re-entry. I assumed that this just meant they would be trying to slow down as much as possible before the heat built up too much. On the website it currently suggests the will use excess hydrogen to cool to the surfaces and dump in over board. If i find the source of the high drag to weight ratio i will post it here later

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