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 Robotics / 23383
    Re: The Great Ball Contraption —Steve Hassenplug
   (...) I'm not exactly sure how many "teeth" = 1 stud, but I know it's not a whole number. So, I've found if you can change the length by 1 or 2 studs, and add a few chain links, you don't need to add a tensioner. Steve (20 years ago, 21-Jan-05, to lugnet.robotics)
   
        Re: The Great Ball Contraption —Steve Lane
   (...) It's exactly 2.5. 10 teeth on a gear rack, divided by 4. Steve (20 years ago, 21-Jan-05, to lugnet.robotics)
   
        Re: The Great Ball Contraption —Jordan Bradford
   (...) I'm using two upside-down 1x16 TECHNIC beams to straddle 24-tooth gears on each end (see my great ASCII art below, top-down view, not to scale). I might not even need tension in the chain at all; the tread links slide on the flat bottom part (...) (20 years ago, 21-Jan-05, to lugnet.robotics, FTX)
   
        Re: The Great Ball Contraption —Steve Hassenplug
     (...) Well, my lift for loading the train car uses both chain links, and tracks. Each track has a 1x4 tile on it, and the balls roll up. (URL) close to what John did on his roller coaster: (URL) red module: (URL) a pair of axle joiners: (URL) with (...) (20 years ago, 21-Jan-05, to lugnet.robotics)
   
        Re: The Great Ball Contraption —Ross Crawford
   (...) I have just placed wheels regularly spaced along my chain to support it. (...) Mine are similar, but use a 1x3 plate with a 1x1 plate with tooth on each end, at a slight angle, and another 1x3 plate on top. I was finding that even with an (...) (20 years ago, 21-Jan-05, to lugnet.robotics, FTX)
 

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