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Hello! Finally my entry is done: http://www.brickshel...ry.cgi?f=546318 It's a pneumatic submarine. I wanted to make something similar to the 8868 B model (which is the best B of all time imho), but 200 parts aren't much for that. So I decided to make a pneumatic sequencer base, which allows an automatic function circuit. Working method: two pneumatic cylinder are connected to the other's valve, they control each other. The big cylinder controls the two small. : Promo pictures: So the main function is the pneumatic arm, other smaller ones are described in this picture. Video is available below. Made with 200 parts: Other pictures: Thanks to the outer shell with the yellow panels, the submarine is pretty rigid: Control panel in the cockpit: The inner structure with all pneumatic parts: Video: link: I know, there isn't much time left to the end of the contest, but in the last few weeks I was very busy. Fell free to ask or comment, I'm courious about your opinion. .LXF file for instructions: www.brickshelf.com/gallery/mbmc137/Mini-Submarine/mini-submarine-ldd-instructions.lxf .
