Because the atmosphere has a lot of drag, and if you don't leave it, you
don't get to space.
On 2019-05-26 07:53, Craig Fink wrote:
Why leave the atmosphere with an air-breathing engine? There is more
than Oxygen in the Air, it's mostly Nitrogen it's useful too. Of
course you want to carry it up and back.
On Sat, May 25, 2019 at 4:43 PM Rand Simberg <simberg@xxxxxxxxxxxxxxx>
wrote:
It doesn't matter that oxygen is heavy. You get rid of it pretty
quickly. An airbreathing engine is heavy, too, and you have to carry
it
the whole way up and back. And time that you're wasting breathing
oxygen
is time that you not getting the hell out of the atmosphere.
On 2019-05-25 16:19, Craig Fink wrote:
Hi Rand,
It's been a while, how are you doing?
Looks like your doing about the same as the last time we spoke.
--
Craig Fink
WeBeGood@xxxxxxxxx
