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Originally Posted by Al Skierkiewicz
Allen,
I question what you are using for current monitoring.
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Hi-
Different member from the same team. We were using a clip on amp meter and were taking the readings on the wire leads coming off the victor. We agree that the thermal protection was probably put into place for a reason and are going to be taking steps to reduce heat and current draw. We are definitely going to be using a higher reduction gearbox (we don't need the speed, and that should help reduce the stress on the motor) and are considering the heat sinks.
The problem of overheating the Fischer-Price motors was one we were aware of from the beginning. We had considered building custom heat sinks but decided that wasn't feasible with the machining capabilities we had. Thanks for pointing us to the pre-fab ones. It's sure going to help us out. We are still wanting to find a way to obtain non-thermally protected motors. Although we don't think the thermal protection will trip after we've made the changes, it was decided that we'd rather not have that limitation pop up on us in the middle of a match. Thanks for all the help, this would have stopped our robot dead in it's tracks without your help.
-Will