View Single Post
  #12   Spotlight this post!  
Unread 27-11-2014, 16:11
themccannman's Avatar
themccannman themccannman is offline
registered lurker
AKA: Jake McCann
FRC #3501
Team Role: Mentor
 
Join Date: Feb 2013
Rookie Year: 2011
Location: San Jose, CA
Posts: 432
themccannman has a reputation beyond reputethemccannman has a reputation beyond reputethemccannman has a reputation beyond reputethemccannman has a reputation beyond reputethemccannman has a reputation beyond reputethemccannman has a reputation beyond reputethemccannman has a reputation beyond reputethemccannman has a reputation beyond reputethemccannman has a reputation beyond reputethemccannman has a reputation beyond reputethemccannman has a reputation beyond repute
Re: Traction Questions

Quote:
Originally Posted by Jared View Post
If I'm pushing on a carpet, number 2 is much easier than number one. If I push on a smooth floor, then the second may be easier. It depends on the surface you're pushing on.
Precisely, it depends on the surface, hence why modeling this can get complicated, different surfaces interact in unique ways.

Here's some reading that went way over my head that may help understand friction between rough surfaces: https://workspace.imperial.ac.uk/med...20surfaces.pdf

Quote:
Originally Posted by sanddrag View Post
It would be cool if AndyMark and VEX would step up to the plate to put this debate to rest once and for all, with some real scientific testing and published results.
Why make them do it? Most teams have the resources to test this ourselves. Perhaps we'll do a study of this and publish our results.

Quote:
Originally Posted by sanddrag View Post
I've always wondered about the traction of a larger diameter wheel compared to a smaller diameter wheel of the same width. I'd speculate it is more, since the curvature of the wheel approaches a straight line as the diameter approaches infinity.
You can simulate this without buying huge wheels, just use a pneumatic wheel and test it at varying levels of inflation, the under inflated wheel will likely have better traction in accordance with your theory.
__________________
All posts here are purely my own opinion.
2011-2015: 1678
2016: 846
2017 - current: 3501

Last edited by themccannman : 27-11-2014 at 16:21.