So, I somehow managed to put 5 Mainsails in the same fuel tank: I liked my invention so much that I started playing around with it, and ended up with this: But then, while messing around with the thing, I broke the game: I had put 2 mainsails... In the same place. YES, ONE INSIDE OF THE OTHER ONE And yes, it DID flew: So, I knew what I had to do: All these babies reach Mach 1 in something like 3-3.5 seconds Here are the craft files for the "5 Mainsails-4 LVT" and the "6 Mainsails" http://www./download.php?3sdamuzwtduugud http://www./download.php?u1lbka2qdqtxg5x