Hacker News new | ask | show | jobs
by JabavuAdams 4441 days ago
Well, to be fair to an otherwise impractical idea, getting up above the dense part of the atmosphere helps.

If you're trying to get to space quickly, then much of the air-resistance losses are in the first 10 km.

Look up "rockoons" for more info on replacing a rocket's first stage with a balloon platform.