How much delta-v it's spent in getting up to avoid the air drag once in orbit?

  • $\begingroup$ As far I know, the effect of the athmospheric drag causes around 2 km/s delta-V loss on orbital launches. $\endgroup$ – peterh Dec 26 '18 at 17:03
  • $\begingroup$ i.stack.imgur.com/nkeWa.png - Delta-V chart for generalized units. If you want information on a specific craft, numbers will vary. $\endgroup$ – Magic Octopus Urn Dec 26 '18 at 17:44
  • $\begingroup$ Possible duplicate of Delta-v from atmospheric drag $\endgroup$ – Magic Octopus Urn Dec 26 '18 at 17:47
  • $\begingroup$ @peterh That's both drag and gravity loss. $\endgroup$ – Loren Pechtel Dec 27 '18 at 5:14
  • $\begingroup$ @LorenPechtel Ok, thanks! Then the drag could be calculated with simple mechanics. $\endgroup$ – peterh Dec 27 '18 at 12:07

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