It's going to be Daft Punk-themed (named "The Veridis Quo" and the fuselage will have all the lyrics from all the songs with lyrics on Discovery in a spiral format), but that's not the point. What I want to know is, should I add secondary, smaller fins on the top? It's going to be very tall so I thought it would be good to stabilize the top using a second set of wings. Should they be smaller or larger? I think smaller would make more sense, because if they were Too Long it would probably topple over, but I'm not so good at Aerodynamics.