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The Runner-Simplest NXT Biped
My first project on NXT Log is a biped. While messing around with robots that scoot themselves around, I accidentally made an extremely simple walking robot. I call it "The Runner" because its legs move very quickly. This speed is what makes the robot walk. If the legs moved much slower than 75% power, the robot would just sway back and forth and eventually fall backward. The leg design is what makes this robot so simple. When the motors spin, the legs just slide up and down quickly and propel the robot forward. Note that the motors can not move separately--they must always move in the same direction because of the axle that keeps the legs synchronized. I included 3 pictures, building instructions, and a simple program for the robot.

Posted by:

 mindstormguy1

Created:

 11 July 2009

Rate:

 

Tags:(?):

 snapbot, biped, walker, leg, servo, nxt, motor, peg, pegs, two, 2, beam, beams, bracing, NXT, Robot, cool, awesome, neat, fast, impressive, simple

Comments

24 comments

  • Markamas

  • Like most bipeds on NXTLOG, it can only go forward without great stability...

  • Posted 1436 days and 17 hours ago


  • snabeli

  • Very simple and elegant! I like it a lot. 5 stars for creativity.

  • Posted 1436 days and 16 hours ago


  • mindstormguy1

  • Thanks, snabeli. I was very surprised when I put it on the floor and it started walking...

  • Posted 1435 days and 11 hours ago


  • Bailey-Y

  • This doesn't work for me, it sorta does the moonwalk, then a shuffle, then falls over. I call it Spazbot. It's a great design, and a very simple program, it just doesn't work when I built it.

  • Posted 1424 days and 5 hours ago


  • mindstormguy1

  • Well, it worked when I built it. Are you SURE you followed all the steps correctly, Bailey-Y?

  • Posted 1421 days and 16 hours ago


  • Bailey-Y

  • Yeah, I did.

  • Posted 1420 days and 12 hours ago


  • mindstormguy1

  • I understand your problem, Bailey-Y. The robot did that sometimes when I built it, too. Try The Walker on different flat, hard, SMOOTH surfaces to find out which works best.

  • Posted 1417 days and 9 hours ago


  • 3DBlenderRender

  • Very nice, and there is another quadruped robot which is very simple too, called the "Crazy Quadruped".

    Signing off,
    3DBlenderRender

  • Posted 1417 days and 9 hours ago


  • sq10

  • good! i only have intrerest in inventions that has a ldd file and program!

  • Posted 1404 days and 19 hours ago


  • david_msnxt

  • Very nice! helped me a lot with the biped I am currently working on.

  • Posted 1391 days and 22 hours ago


  • snabeli

  • Hey, now that they have the snapbot challenge you should enter this!

  • Posted 1377 days and 22 hours ago


  • neogonzi

  • its really cool, but i have my own version of the feet so it can walk better

  • Posted 1365 days and 11 hours ago


  • richie9798

  • If i could i would make this but i would add some eyes....

  • Posted 1363 days and 9 hours ago


  • mindstormaniac6

  • i have made an upgrade for you were the eyes hide away if the robot can see somethingand lets them out after a while i will be posting this with credit for mindstormguy1 and i will post and ldd and a program when i have time.

  • Posted 1359 days and 22 hours ago


  • minkcameron

  • awesome bot, i love it! 5/5

  • Posted 1299 days and 13 hours ago


  • GRANTRON

  • thats really cool but i wish i could see a video though :/

  • Posted 1176 days and 4 hours ago


  • mindstormguy1

  • If I get down to it, I will post a video soon.

  • Posted 1173 days and 8 hours ago


  • nxtstep101

  • Nice biped!! Check out my biped just click on my username and look at my biped. 4/5 stars
    00
    \__/

  • Posted 1070 days and 15 hours ago


  • Christian1944

  • I built it and it is sweet.

  • Posted 1056 days and 14 hours ago


  • rockinjoeyt93

  • Built it, I like it! :)

  • Posted 1026 days and 6 hours ago


  • blaziken1111

  • I built it also. It is awesome!

  • Posted 843 days and 6 hours ago




  • monster4251

  • add more on it

  • Posted 457 days and 21 hours ago


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