[AR] Re: Mini-rocket to space?
- From: Henry Spencer <hspencer@xxxxxxxxxxxxx>
- To: Arocket List <arocket@xxxxxxxxxxxxx>
- Date: Mon, 1 Mar 2021 18:42:23 -0500 (EST)
On Mon, 1 Mar 2021, roxanna Mason wrote:
The point is 40KFt is at commercial jet altitudes and some business jets
like the Lear 24 service ceiling is 51KFt.
Indeed, if memory serves, a 747SP -- the specialist long-haul 747
derivative, same wing and engines but shortened fuselage -- could be up
near 50k at the end of a long flight. (They ended up needing to add ozone
filters in the cabin air inflow, because up there at the edge of the
stratosphere, the ozone concentration in the incoming air was starting to
become noticeable.)
Henry
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