robothut Posted April 13, 2013 Share Posted April 13, 2013 I have been thinking about building a full scale robot cart that I can ride in much like Woo the Robot Farmer did, only I want to use a different leg linkage design. So I took the Theo Janen's linkage design that he uses for his StrandBeest projects and modified it for Biped operation. This 1/3 scale robot cart that I have built weighs 21 pounts and is made of wood ,plastic and metal. It is powered by a single RC type servo that has been modified for continues rotation and to have dual output drive shafts. The leg linkage design allows this small servo to operate this heavy robot quite nicely. Here is a You Tube Link to the operation of the cart robot. http://youtu.be/0DiCkZVz8C4 and here is alink to a page I did on the project on my web site. http://www.robothut.robotnut.com/CartRobot.html Link to comment Share on other sites More sharing options...
robothut Posted April 13, 2013 Author Share Posted April 13, 2013 images of Cart robot with myself for scale. Link to comment Share on other sites More sharing options...
robothut Posted April 13, 2013 Author Share Posted April 13, 2013 Build picture shows the 1/2 inch wood used for most of the leg linkage build. Link to comment Share on other sites More sharing options...
robothut Posted April 13, 2013 Author Share Posted April 13, 2013 finished built pictures. Link to comment Share on other sites More sharing options...
robothut Posted April 13, 2013 Author Share Posted April 13, 2013 Here is the janen's linkage design I started with. Well I got my numbers from Theos web site last year but these are close to the same thing. Theo Jansen (born 1948) is a Dutch artist. In 1990, he began what he is known for today: building large mechanisms out of PVC that are able to move on their own, known as Strandbeest. His animated works are a fusion of art and engineering; in a car company (BMW) television commercial Jansen says: "The walls between art and engineering exist only in our minds." He strives to equip his creations with their own artificial intelligence so they can avoid obstacles by changing course when one is detected, such as the sea itself Link to comment Share on other sites More sharing options...
robothut Posted April 13, 2013 Author Share Posted April 13, 2013 This web site will show how the leg linkage works in animation. Also it lets you plug in new munbers to test out your own design. Now that would have saved me some time! http://garethrees.org/2011/07/04/strandbeest/strandbeest.html Link to comment Share on other sites More sharing options...
Steve's Bots and Rays Posted April 13, 2013 Share Posted April 13, 2013 That's great John! You're quite the Renaissance man. Full scale would be amazing. Always liked the Strandbeests -Steve Link to comment Share on other sites More sharing options...
nasa Posted April 13, 2013 Share Posted April 13, 2013 Absolutey stunning John.....beyond my mind comprehension ;o) Great work! cheers.... Link to comment Share on other sites More sharing options...
WJN Posted April 14, 2013 Share Posted April 14, 2013 Astounding..... might be the coolest thing you've designed & built yet.....wow..... Link to comment Share on other sites More sharing options...
Grandpa Posted April 14, 2013 Share Posted April 14, 2013 Great Job John!!! Link to comment Share on other sites More sharing options...
Eagle Posted April 15, 2013 Share Posted April 15, 2013 Dang John,,It must be warming up in the shop ! Link to comment Share on other sites More sharing options...
roboz Posted April 25, 2013 Share Posted April 25, 2013 WOW !! I'll take 3 LOL !! Link to comment Share on other sites More sharing options...
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