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Subject: 
Re: Mechanical obstacle avoider 2
Newsgroups: 
lugnet.technic
Date: 
Tue, 6 Feb 2007 15:39:32 GMT
Viewed: 
6772 times
  
"Alexander Holroyd" <holroyd@shaw.ca> wrote in message
news:JD16LC.Bos@lugnet.com...
Here is another 100% mechanical "obstacle-avoiding rover".  Like my
previous
attempt at:
http://news.lugnet.com/technic/?n=14957
it has only one motor and no electronics.  This one is based on a simpler
principle.  The left and right sides operate independently - on each side
the
wheel changes direction whenever the bumper on that side is pushed.  When
it
runs into a wall at an angle, it first rotates until the second bumper
hits the
wall, and then reverses away.  The net result is a "reflection" off the
wall
(this is much easier to understand from the video!).

http://www.brickshelf.com/cgi-bin/gallery.cgi?f=231990
http://www.brickshelf.com/gallery/aeh/Rover/movie/rover.wmv
http://www.brickshelf.com/gallery/aeh/Rover/movie/rover_demo.wmv
http://www.brickshelf.com/gallery/aeh/Rover/ldraw/rover.ldr

Enjoy!  Alexander

That is just excellent! Thanks for sharing it.

Bob



Message is in Reply To:
  Mechanical obstacle avoider 2
 
Here is another 100% mechanical "obstacle-avoiding rover". Like my previous attempt at: (URL) has only one motor and no electronics. This one is based on a simpler principle. The left and right sides operate independently - on each side the wheel (...) (18 years ago, 6-Feb-07, to lugnet.technic)

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