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Originally Posted by Basel A
Does it drive straight in teleop? Have you checked the current going to each motor? Have you spun the wheels by hand to see if one side is harder to turn than the other?
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Quote:
Originally Posted by Joseph Smith
First of all, does it only curve in autonomous, or in teleop as well?
If it's only in autonomous, that would indicate a software problem.
If it curves in teleop as well, it could be any number of problems.
Are the speed controllers all calibrated? Are they all blinking at the same rate when it's driving? Are all the motors running in the right directions? If all of those things are good, then it's likely a mechanical issue. I've seen over-tensioned chains, over-tightened wheel shafts, bad spacing in gearboxes, and chains rubbing on parts of the frame all cause problems like this before.
If you can't figure it out, could you compensate by powering one side more than the other in auton?
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For teleop, it isn't noticeable when actually driving the robot on the field for some reason, but when we put the robot on blocks, we could tell that the right side is noticeably faster in both high and low gear. We'll check into making sure the motors are going in the right direction.
Quote:
Originally Posted by Basel A
Do you have a gyro? Using a gyro is pretty simple these days.
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We did get one through FIRST Choice, I'll have our programmer look into that.