New wheel hub in Fusion 360

A ‘Wheely’ Good Day Pt. IV

The wheels we made for the Mark III robot did pretty well. The new polyurethane tires were excellent, they had plenty of grip, were basically indestructible and they maintained their grip over many hours of use. The hubs worked pretty well… well, most of the time. Apart from the structural issues due to low infill...
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Mmmmmm. Yummy PyPot.

Hello, It’s me Barney again! This time I am writing about motors. The S.A.R.T team ran into an issue with the motors constantly overloading and not going to the desired speeds. After a little troubleshooting, the issue was found. The pyax12 library doesn’t support the new MX-12w motors. I decided to replace the library with...
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Stopping Servos

An issue we’ve commonly faced while operating our robot is that the servos will keep spinning if the script crashes or if we exit the script via CTRL+C. I’ve always had the stop_servos.py script for this exact purpose but it has to be executed manually after exiting the main script, i.e. python3 stop_servos.py. This script...
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Servo Servicing II

As I talked about in a previous post, half of our servos weren’t working. Of course, I was going to try to fix them before we spend anymore money on new ones, so that’s what I did today. Some of them were broken for certain, they either didn’t show up at all when connected or...
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Servo Servicing

A lot of things went wrong in Canada, sure.But perhaps the worse of our issues were the servos. The other day, we were planning on running a short demo during the regional RoboCup competition. We all got to school on Saturday and began putting it back together again. However, we didn’t have four functioning Dynamixel...
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