Look at Little Nellie. She had fuel tanks and missile pods below the seat bottom. Further in conversations with Ken and also an article written by Ken that was published in the PRA magazine, he was not concerned about thrust line vs. c.g. Look also at the photo of him with his legs hanging down. There is a fuel tank below the engine.Jean - Claude;n1121107 said:This is not what I see here. In my opinion, this prop thrust line is through the gravity center.