Hacker Newsnew | past | comments | ask | show | jobs | submitlogin

There might not be any math problems, except on how are you going to reject 10MW of thermal heat from inside the airplane at all times


You need 4 engines. After you land, you run 2 engines forward and 2 in reverse.




Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact

Search: