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Subject: 
Re: Casters
Newsgroups: 
lugnet.robotics
Date: 
Tue, 22 Aug 2000 18:36:42 GMT
Original-From: 
Chris Osborn <FOZZTEXX@antispamFOZZTEXX.COM>
Viewed: 
431 times
  
On Aug. 22 00, 09:24 PDT, "Wilcox, Doug" <Doug.Wilcox@iMcKesson.com>
wrote:

Can anyone explain to me why front-mounted casters, with the
powered wheels toward the back of the robot (see photo at
www.wordsmithdigital.com/mindstorms/diaries.htm ), stay in alignment
better than rear-mounted casters with the wheels in front? I can't
quite grok it.

When the vehicle is rolling towards the caster, the caster is much
closer to the drive wheels, and they have a lot more leverage
against the caster to position it where they want.

When it's rolling away from the caster, the caster is so much
farther away that it's harder to leverage it into a straight
position.

This is just a guess though.

---
Chris Osborn                      Full System, Inc.
fozztexx@fullsystem.com           2160 Jefferson St., #240
http://www.fullsystem.com/        Napa, CA 94559
Webhosting that *works* - 99.99% uptime - First 3 months free



Message is in Reply To:
  Casters
 
Can anyone explain to me why front-mounted casters, with the powered wheels toward the back of the robot (see photo at www.wordsmithdigital...iaries.htm ), stay in alignment better than rear-mounted casters with the wheels in front? I can't quite (...) (24 years ago, 22-Aug-00, to lugnet.robotics)

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