Go to Post Robotics competitions take place in the same "perfect" environment that basic physics equations take place in. :rolleyes: - Branden Ghena [more]
Home
Go Back   Chief Delphi > Technical > Technical Discussion
CD-Media   CD-Spy  
portal register members calendar search Today's Posts Mark Forums Read FAQ rules

 
 
 
Thread Tools Rate Thread Display Modes
Prev Previous Post   Next Post Next
  #22   Spotlight this post!  
Unread 16-09-2004, 11:13
Cory's Avatar
Cory Cory is offline
Registered User
AKA: Cory McBride
FRC #0254 (The Cheesy Poofs)
Team Role: Engineer
 
Join Date: May 2002
Rookie Year: 2001
Location: Redwood City, CA
Posts: 6,825
Cory has a reputation beyond reputeCory has a reputation beyond reputeCory has a reputation beyond reputeCory has a reputation beyond reputeCory has a reputation beyond reputeCory has a reputation beyond reputeCory has a reputation beyond reputeCory has a reputation beyond reputeCory has a reputation beyond reputeCory has a reputation beyond reputeCory has a reputation beyond repute
Send a message via AIM to Cory
Re: Best frame building material

Quote:
Originally Posted by dddriveman
80/20 is the best material hands down. It is so light and easy to work with that you can have a working frame in as little as three hours if not less.
80/20 is only light if you weld it.

When you add in all the connectors, it gets very heavy.

We have used 10/10 since 2003. It was nice since we could just slide stuff around to get it out of the way to access the innards of the robot, or realize that we made a design error and slide a few bolts to correct it. In 2003 we used all the connectors, which added up to be a pretty hefty penny. We didn;t have an issue with weight, but then again, our robot only weighed 90 lbs after we ripped our entirely ineffective stacker off it

In 2004, we had a lot of 10/10 left over, and had access to welding equipment, so we welded the 10/10. The frame was extremely light, and still retained most of the modularity you get with 80/20.

Some of the problems with extrusion include the fasteners slipping. This was particularly evident on both robots in that the wheels would continually slip from their intended mounting points. It's easily fixed, but a pain in the $@#$@#$@#. You really have to be sure to check all the time that your connectors are securely fastened. By the time we got to Cal Games in 03', the robot was literally coming apart because everything was so loose.

Before 2003 we had used 1.5" aluminum angle, and in 2002, we used 1.5" steel angle, which left us with a frame that was probably in excess of 40-50 lbs (Way too much strength, even for a game that was nonstop action)

Cory
__________________
2001-2004: Team 100
2006-Present: Team 254
 


Thread Tools
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

vB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Cheezy Poofs' Wheel Material evolution Technical Discussion 6 18-04-2004 23:11
Voltage on Frame Greg Electrical 31 02-03-2004 13:49
Rendering Tips Tyler Olds 3D Animation and Competition 27 16-10-2003 01:32
Building material archiver 2000 1 24-06-2002 00:10
frame material survey punarhero Technical Discussion 12 21-02-2002 06:47


All times are GMT -5. The time now is 11:44.

The Chief Delphi Forums are sponsored by Innovation First International, Inc.


Powered by vBulletin® Version 3.6.4
Copyright ©2000 - 2017, Jelsoft Enterprises Ltd.
Copyright © Chief Delphi