Quote:
Originally Posted by IKE
Both weekends, I have noticed a lot of teams with fuses not properly seated into the Power Distribution Boards. It is really easy to think you have them installed, when in reality they need to be pushed in another 1/8 inch.
See page 13 of the PDP guide.
http://crosstheroadelectronics.com/PDP%20User's%20Guide.pdf
One of the Waterford event Championships had some intermittent radio in their final match. Upon further inspection, their fuse had started to wiggle loose as they were not properly seated. As this was their final match, I do not know for certain that this was related to the radio issue, but it very wll may have been.
I had a CTRE rep at my first district event that checked these on all the robots, but I missed checking these myself until Saturday at my second event. When they are partially inserted, the robot works just fine and may never exhibt a problem. But an impact like hitting some totes, a wall, or the general vibration of driving around on Omni wheels can cause them to wiggle loose if they are not properly installed in the first place.
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There was a robot at the event that I was at this weekend that did not have their fuses installed properly who was having a loss of connection when they had an impact or went over the scoring platform at speed. Installing the fuses properly seemed to fix the issue.
I've noticed that it seems like the terminals for the fuse are not centered perfectly in all of the PDPs. This leads to the fuse body bottoming out on the case so it seems that it is fully inserted. Applying a little sideways force while pressing down allows the fuse to get past the case and be fully inserted.