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Subject: 
Re: Vehicle with square wheels
Newsgroups: 
lugnet.technic, lugnet.robotics
Date: 
Tue, 6 Dec 2005 15:43:17 GMT
Viewed: 
5542 times
  
On Tue, December 6, 2005 10:29 am, Jordan Bradford wrote:
I saw this linked on Slashdot:

<http://www.prweb.com/releases/2005/12/prweb316686.htm>

Allow me to cut through the inventor's verbosity and translate the concept:

The square wheels are mechanically linked and turn in unison, but they're offset
from each other. The weight at the top of the vehicle forces one of the squre
wheels to stay flat on the ground. As the weight rotates to a new square, that
square has to turn to become flat, which makes all the others turn.

I think I'll try building one of these, if I can get the offset angle to work.
It's 1/4 of 90 degrees, according to the article.

The way this vehicle is set up, it only moves in a straight line. How might one
steer it? Shifting the center of gravity? Disconnecting one of the wheels from
the others temporarily?

I think one way to steer it is to split the robot in half, and twist in the middle.
However, that will make it hard to keep the front and back wheels in sync.

Steve



Message has 1 Reply:
  Re: Vehicle with square wheels
 
(...) Right, Steve - keeping the wheels in sync may be the problem. You're onto something with the split in the chassis, though, and I thought of a three-wheeled version, where the front single wheel can pivot, like on a tricycle. I found this (...) (18 years ago, 6-Dec-05, to lugnet.technic, lugnet.robotics)

Message is in Reply To:
  Vehicle with square wheels
 
I saw this linked on Slashdot: (URL) Allow me to cut through the inventor's verbosity and translate the concept: The square wheels are mechanically linked and turn in unison, but they're offset from each other. The weight at the top of the vehicle (...) (18 years ago, 6-Dec-05, to lugnet.technic, lugnet.robotics, FTX)  

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