6 Legged walker design

I'm often asked - "how do I build a walking robot?"

Walking robots are tough, as you need to keep balance in mind at all times. When the robot picks up a leg, how is the rest of the robot staying upright.

I put together this video as an example of one particular leg mechanism. Unfortunately you can build it from one kit (too many gears needed), but it does show you how the leg design operates.

Can you build a better version? Tell us about it in the comments.

If you want other examples of walking robots, check out Laurens Valk and Fay Rhodes excellent books.

Damien Kee


Laurens Valk said…
One of my six-legged designs is Manty.
Free instructions are here:

It can be built with the pieces in the NXT 2.0 set.
That is a fantastic video, Damien! I love the way you showed the construction, showed the mechanism in action, and so naturally showed how it works as a integrated unit.

I dare say it is surprising how difficult it is to make a good walking robot.

I must throw in that Daniele Benedettelli's book, "Creating Cool MINDSTORMS NXT Robots" is an excellent resource for building bipedal NXT walkers. He has also got some walkers with building instructions on his site.
Jetro said…
There are also a couple of very interesting designs in Isogawa Yoshihito's "Tora no Maki". I just bought the print version (the walkers are in part 3: "The LEGO Technic Idea Book: Simple Machines")and it is a treat.

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