jk7f

4 ms·

1. 1.▲
   by jk7f 4y ago

   Also worth mentioning that many of them are running on LPG to keep the costs down
2. 2.▲
   by jk7f 6y ago

   This sounds like a lot like the concept called a "sky hook", you can even have it rotate and use it to fling stuff further into space. Isaac Arthur has some nice videos about it on YouTube.
3. 3.▲
   by jk7f 7y ago

   Another gem: http://www.tyrrell.de/startseite.htm