Check the axle. I’ve seen situations where the bar used as an axle has been bent (perhaps from too much pushing down on the robot by the team?) John ------------------------------------ John J. Barrett Industrial Medium Software, Inc. | 1616 Anderson Road | McLean, VA 22102 | http://www.industrialmedium.com (cell) 703-231-5094 | (office) 703-286-0818 | (fax) 703-286-0888 On Dec 2, 2013, at 8:23 AM, Jayakumar Dwarakadas <[log in to unmask]> wrote: > We are using NXT kit for the state tournament and we have been using big wheel from the beginning. Since we have been using them for quite sometime, now the wheel are bent either inward or outward and we are losing accuracy. Any advice from past experience would be useful. > > Thanks, > Kumar. > To UNSUBSCRIBE or CHANGE your settings, please visit https://listserv.jmu.edu/archives/vadcfll-l.html and select "Join or leave the list". > VADCFLL administrative announcements are sent via VADCFLL-ANNOUNCEMENTS-L. Visit https://listserv.jmu.edu/archives/vadcfll-announcements-l.html to subscribe. -- To UNSUBSCRIBE or CHANGE your settings, please visit https://listserv.jmu.edu/archives/vadcfll-l.html and select "Join or leave the list". -- VADCFLL administrative announcements are sent via VADCFLL-ANNOUNCEMENTS-L. Visit https://listserv.jmu.edu/archives/vadcfll-ANNOUNCEMENTS-l.html to subscribe.