You would come across more like you "just wondered about possible schemes" rather than claiming to have the answer if you had said "would it be possible to repl

You would come across more like you "just wondered about possible schemes" rather than claiming to have the answer if you had said "would it be possible to replace the landing legs with a parachute?" instead of "it seems like they could replace the landing legs with a parachute." The way you formulated yourself clearly sounded like second-guessing.