Go to Post Practice. Don't leave home without it. - JesseK [more]
Go Back   Chief Delphi > Technical > Motors
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
  #1   Spotlight this post!  
Unread 02-13-2018, 01:00 PM
Type's Avatar
Type Type is offline
Registered User
FRC #3452 (GreengineerZ)
Team Role: Mechanical
Join Date: Jan 2016
Rookie Year: 2016
Location: Michigan
Posts: 344
Type is a splendid one to beholdType is a splendid one to beholdType is a splendid one to beholdType is a splendid one to beholdType is a splendid one to beholdType is a splendid one to beholdType is a splendid one to behold
Snapping 775 Pro Shaft

So my team somehow was able to snap the shaft off while running a 775 Pro. We had an AM 12t Pinion on it when it snapped, connected to our drivetrain. For those teams that ran 775 drivetrains last year (2767, 2451, 3357, etc.), did you ever discover any failures similar to this?
We at first believed it was due to a lot of sudden forward and then reversing while driving but later we remembered our gearboxes became loose at one point and we are wondering if the sag of the motors put too much stress on the pinion, later causing it to fail. The pinion has an unusual wear pattern on it (flat teeth in a few spots but we have an enclosed gesrbox so could be due to getting wedged somewhere after failing).

And by the way, the motor still runs.
Attached Thumbnails
Click image for larger version

Name:	Screenshot_20180213-125803.png
Views:	699
Size:	1.85 MB
ID:	23008  
3452- Lead Builder/ Pit Boss

*My posts do not reflect the opinion of my team*
Reply With Quote

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 02:43 AM.

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

Powered by vBulletin® Version 3.6.4
Copyright ©2000 - 2018, Jelsoft Enterprises Ltd.
Copyright © Chief Delphi