Timeline for What are the limiting factors for high altitude planes (e.g: U2 or SR71) preventing them from going higher?
Current License: CC BY-SA 3.0
3 events
| when toggle format | what | by | license | comment | |
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| Jun 24, 2017 at 14:56 | comment | added | Yakk | A 1 m^2 opening at 100,000 feet crosses 29 kg per second of atmosphere at mach 5. A 1m^2 opening at sea level at mach 0.5 crosses 208 kg/s. That is "only" a factor of 10. Getting an aircraft with a huge cone to get enough air and have it survive those speeds may be very tricky, but doesn't look physically impossible at 100000 feet. | |
| Jun 23, 2017 at 23:01 | vote | accept | Nelson | ||
| Jun 23, 2017 at 23:01 | |||||
| Jun 23, 2017 at 20:34 | history | answered | tj1000 | CC BY-SA 3.0 |