To LUGNET HomepageTo LUGNET News HomepageTo LUGNET Guide Homepage
 Help on Searching
 
Post new message to lugnet.roboticsOpen lugnet.robotics in your NNTP NewsreaderTo LUGNET News Traffic PageSign In (Members)
 Robotics / 12209
12208  |  12210
Subject: 
Re: Casters
Newsgroups: 
lugnet.robotics
Date: 
Wed, 23 Aug 2000 12:46:21 GMT
Viewed: 
1695 times
  
"Adrian Drake" <tremor@apk.net> writes:
> 
> It might be thus:  When the motors engage, there's some torque in the body
> that would tend to lift the nose of the vehicle up (think of a dragster, how
> it pops a wheelie under acceleration).  Thus, when under acceleration, the
> front of the vehicle is lifted slightly, loosening up the friction in the
> caster joint and allowing it to swivel more easily.

Yes, that's my impression too.

From the pictures it seems that the caster joint is made
from a single plate with holes, which creates a lot of
friction because the axle cants(?) under weight.  A better
design would be to use two plates at some distance.

Jürgen

--
Jürgen Stuber <stuber@loria.fr>
http://www.loria.fr/~stuber/



Message is in Reply To:
  Re: Casters
 
It might be thus: When the motors engage, there's some torque in the body that would tend to lift the nose of the vehicle up (think of a dragster, how it pops a wheelie under acceleration). Thus, when under acceleration, the front of the vehicle is (...) (26 years ago, 22-Aug-00, to lugnet.robotics)

4 Messages in This Thread:


Entire Thread on One Page:
Nested:  All | Brief | Compact | Dots
Linear:  All | Brief | Compact
    

©2005 LUGNET. All rights reserved. - hosted by steinbruch.info GbR