Posted: Jan 21, 2018 12:51 am
by Shagz
Missiles and rockets often have fins for stability in flight; however, fins add weight to the system, and also increase surface area, which increases drag, which means more energy is required to reach the desired speed. Forgoing fins also might make the rocket and launcher more compact. So my guess is it might have something to do with that. I am no rocket expert, though, having only a "Kerbil Space Program" level of knowledge of this stuff.