Reply to post: At orbital velocity, roughly 1/32 Atmosphere would cause any spacecraft

ESA builds air-breathing engine that works in space

John Smith 19 Gold badge
Unhappy

At orbital velocity, roughly 1/32 Atmosphere would cause any spacecraft

Ooops.

Well that's what happens when you use the rule of thumb of air pressure halving every 5.6Km.

In fact https://www.avs.org/AVS/files/c7/c7edaedb-95b2-438f-adfb-36de54f87b9e.pdf

Suggests its more like 72 millionths of a Psi.

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