This is Blue Fox, my most complex K'nex structure to date. This ball machine has 17 paths, 22000 pieces, 6 lift mechanisms (including a computerized robot arm) and 7 motors. I designed and constructed this machine over the course of over 10 months, due to a lack of free time during the school year. The ball machine is supported on a system of three giant arches, which are actually sections of the curved support for my world-record-setting K'nex looping roller coaster. This video was directed and filmed by Kevin C. Walker (www.KevinCWalker.com). Some one-of-a-kind elements in Blue Fox include - Computerized robot arm ball lift - Bi-directional ferris wheell path switcher (gives the machine "moods") - Automatic repeating ball launcher - Anti-gravity track (ball accelerates while moving uphill) - Giant Tube (Big-Air Ball tower clear tubing used as an overhead bridge) - Illuminated Loop (Arduino-controlled LEDs chase the ball around the giant loop) - Glowing LED Ball Information: Build time - 10 months Pieces - 22000 Motors - 7 Ball Lifts - 6 Paths - 17 Switches - 12 Moving Parts - 120 Gears - 86 Max Balls - 20 FAQ: Q. What is the song? A. The song is Last Days by Max Richter. Q. What did you use to illuminate the machine? A. There are 3 strings of 25 foot blue rope light and 3 blue outdoor flood lights. In addition, there are 24 ultrabright LEDs scattered throughout the machine. Q. What camera did you use? A. The majority of the video was filmed with a Canon EOS 7D. The wide ...
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