There are even KSP mods that let you build honest-to-god, as-Clarke-would-have-recognized-them torchships [0] - so if you want to deorbit by burning radial-in, you can certainly try!
You might end up with reentry heating issues, but that's what burning retrograde with your torchship is for. Who cares about making the landscape glow for the next century, we've got fusion!
You might end up with reentry heating issues, but that's what burning retrograde with your torchship is for. Who cares about making the landscape glow for the next century, we've got fusion!
0: http://www.projectrho.com/public_html/rocket/torchships.php