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Frame Triangles in LEGO?

10/28/2016

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Walkers require very strong frames to handle the weight and torque. This is best accomplished through the use of triangles. Also, linkage attachments to frames need holes at precise locations, which often requires the use of right triangles. However, making right triangles is difficult as LEGO can only use integer numbers to construct them, such as 3,4,5 etc…

Since the 3,4,5 or 6,8,10 triangles might not work well with a walker frame, what other integer triangles, or almost integer triangles, can you come up with to create a stronger frame?

Alternatively, how could we use LEGO's bent lift-arms to create sturdy right triangle-based frames? The parts and their lengths are below. 

Remember, when counting how long a LEGO beam is, the first hole is always counted as 0!  In other words, a beam with 9 holes has a length of 8.  If you don't count LEGO beam lengths in this way then you won't be able to use the Pythagorean Theorem or Law of Cosines to solve for which beams to use as diagonal members.
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  • Home
  • Walker ABC's
  • Build Instructions
    • TrotBot Builds >
      • TrotBot Linkage Plans
      • TrotBot's Legs Simplified
      • Quadruped TrotBot
      • Hexapod TrotBot
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      • TrotBot, Ver 3
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      • Wooden TrotBots by Automata Korea Design
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      • Mindstorms TrotBot
      • Large-Scale TrotBot
    • Strider Builds >
      • Strider Linkage Plans
      • Strider Ver 3's Legs
      • Strider Ver 3's Frame
      • Mindstorms Strider Ver 3 Mod
      • Strider
      • Strider's Legs Simplified (ver 2's)
      • RC Strider
    • Mechanical Spider >
      • Klann Mechanical Spider - Climbing Mod
      • Klann's Spider, EV3 Long Legs
      • Klann High-Step Mod
      • Klann's Spider, Ver 2
      • Mindstorms Klann
      • Klann's Spider, Ver 1
      • Klann's Linkage Plans
    • Strandbeest
    • LEGO Spot Micro
    • Linkage Warm Ups >
      • Lever Paradox
      • LEGO Biters
      • LEGO Punchers (4 bar linkage warm-up)
      • LEGO Hopping Robot
    • Hiro Labo
    • Whegs (wheel-legs)
  • Customize
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