Shop OBEX P1 Docs P2 Docs Learn Events
Gordon's x-wheels and servo brackets. — Parallax Forums

Gordon's x-wheels and servo brackets.

Martin_HMartin_H Posts: 4,051
edited 2013-11-10 08:39 in General Discussion
My son and I each have a Boe-bot and the traction bands on one were suffering dry rot. Rather than just replace the rubber bands I purchased Gordon's x-wheels and servo brackets from http://www.budgetrobotics.com. I have to say that they really add to the Boe-bot's appearance:

IMG_20131109_095914.jpg


It looks like the official Boe-bot of the Xavier school for the gifted and talented.

The servo brackets are really good and should work for the servo turret and radius bone I'm building.
IMG_20131109_095914.jpg
1024 x 768 - 99K

Comments

  • Duane C. JohnsonDuane C. Johnson Posts: 955
    edited 2013-11-09 07:43
    Ah, that attachment doesn't work.

    Duane J
  • Martin_HMartin_H Posts: 4,051
    edited 2013-11-09 07:50
    Yeah, I noticed that, but my Windows 7 computer crashed while I was fixing it. It looks good to me now.
  • Martin_HMartin_H Posts: 4,051
    edited 2013-11-10 08:39
    Here's what I'm building with the servo brackets:

    IMG_20131110_111517.jpg


    It's the primary bone from a simple scara robot arm. I'm using a construction technique from page 345 of "Robot Builder's Bonanza", and I took aluminum U channel and drilled holes every 1/2 inch. That way I can experiment with servo placement to see how it effects performance. I'm not sure if U channel handles loads better in one orientation versus another, but this bone seems pretty stiff. I plan to do another Forth project using inverse kinematics to control the arm. Since it will have a total of three servos this will be much simpler than my C IK code, so I can experiment with a different language.

    It took me about an hour to complete this part of the arm which is pretty speedy compared to a full scratch build from plywood or metal.
    IMG_20131110_111517.jpg
    1024 x 768 - 70K
Sign In or Register to comment.