Quote:
Originally Posted by pribusin
Make sure you test it on carpet with weights. A tank drive with those traction wheels behaves very different than on concrete floors. Good luck.
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It is definitely a good idea to follow both these suggestions for real-world testing. A drivebase that can fly around the floor at 40-50 lbs can behave very differently at 120-150 lbs.
That being said, I did notice some definite rock in the video suggesting the center wheels are appropriately dropped. Based on this I suspect you won't run into much of a problem turning.
It is fantastic that your team has expedited this build and gotten something running in under a week. It will really help to motivate the students and to give plenty of time for gameplay subsystems, integration, testing, and practice. In our rookie year we were still stuck at the whiteboard with nothing built in week 4, which made for a really hard push at the end and resulted in little more working than a drivebase going into the regional (in our defense, this was before the kitbot existed).
As others have said, aim to finish early and practice - even just a few focused days of practicing critical manuvers, and getting comfortable with what can be done in 2:15 will put you way ahead when you get to the competition.