Go to Post It is one thing to be a great designer, it is another thing to be able to explain what you did, how things work, and why things happen. - Andy Baker [more]
Home
Go Back   Chief Delphi > Other > FIRST Tech Challenge
CD-Media   CD-Spy  
portal register members calendar search Today's Posts Mark Forums Read FAQ rules

 
Reply
 
Thread Tools Rate Thread Display Modes
  #1   Spotlight this post!  
Unread 18-12-2013, 16:40
runneals's Avatar
runneals runneals is offline
FTC Mentor - The Robot Corps 7491
FRC #3928 (Team Neutrino)
Team Role: Alumni
 
Join Date: Oct 2012
Rookie Year: 2006
Location: Nevada, Iowa
Posts: 397
runneals has a spectacular aura aboutrunneals has a spectacular aura about
Re: [FTC]: Thoughts on Hanging...

Quote:
Originally Posted by FTC5202 View Post
This is how we hang. It works really well. It enables our robot to get on the bar in mere seconds. The hard part is getting the right size for the wedges and the positioning on the robot.
I'm CAD'ing some stuff up now to prototype tomorrow, but I've heard teams have had issues with building up enough speed (on the bridge thing) to be able to make it work. I was thinking about grabbing it (see attachment_test) and using some strong "rubber bands" to pull it down (see attachment_test2). What have you figured out that works best?
Attached Thumbnails
Click image for larger version

Name:	attachment_test.JPG
Views:	56
Size:	515.1 KB
ID:	15582  Click image for larger version

Name:	attachment_test2.JPG
Views:	48
Size:	512.3 KB
ID:	15583  
__________________
David Runneals
FRC 3928 Team Neutrino 4-H: Mentor (2015 Off-Season - ?)
FTC North Super Regional Championship: Game Announcer (2015)
FTC 7491 The Robot Corps 4-H: Mentor (2013 - ?)
FRC 2167 Mentor (2014)
FRC 3928 Team Neutrino 4-H: Member, Co-Captain, & Media Coordinator (2013)
Reply With Quote
  #2   Spotlight this post!  
Unread 18-12-2013, 21:43
RRLedford RRLedford is offline
FTC 3507 Robo Theosis -- FRC 3135
AKA: Dick Ledford
FRC #3135 (Robotic Colonels)
Team Role: Mentor
 
Join Date: Jan 2010
Rookie Year: 2009
Location: Chicago, IL USA
Posts: 286
RRLedford has a reputation beyond reputeRRLedford has a reputation beyond reputeRRLedford has a reputation beyond reputeRRLedford has a reputation beyond reputeRRLedford has a reputation beyond reputeRRLedford has a reputation beyond reputeRRLedford has a reputation beyond reputeRRLedford has a reputation beyond reputeRRLedford has a reputation beyond reputeRRLedford has a reputation beyond reputeRRLedford has a reputation beyond repute
Re: [FTC]: Thoughts on Hanging...

To be the winning alliance, when the strength of competition is high, almost demands that an alliance be able to do a double hang. We designed our robot to consistently wind the flag in ~5 seconds, and be able to get in position on the bridge fast enough to complete a double hang with partners already hanging. Our mechanum drive trail allowed for precise lateral positioning, so that we could avoid going across the bridge centerline while doing the double hang.

In our 2nd regional competition this past Sat., we made it to the semifinals with the 4th seed alliance. We had not yet executed a double hang, but our alliance captain was an small pyramid shape robot, a perfect match for our dual hook arm, double cord winch design to do a double hang. We completed the flag wind super fast and made it onto the bridge at optimum location with enough time to complete the double hang, but out partners did not want to risk us knocking them off the bar, so we just sat there watching the time run out.

We could have won 1st match with the double hang, as we were out matched on blocks and behind in the scoring, but letting that one chance slip away led to us being eliminated in the next match, where we tried to double hang with the 3rd partner but arrived too late on the bridge.

-Dick Ledford
__________________
FTC 3507 RoboTheosis
FRC 3135 Robotic Colonels

Last edited by RRLedford : 18-12-2013 at 21:48.
Reply With Quote
Reply


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


All times are GMT -5. The time now is 12:42.

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