Quote:
Originally Posted by pdx
Our team needs to add some ballast to our robot, and we're trying to decide if we can use some donated sash weights from old windows. Does that count as a COTS part? What about weights from old barbells? What does your team use for ballast?
Thanks!
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It doesn't have to be COTS to be used as ballast. If it is not on the prohibited materials list it is fair game. Some of the things that are not allowed are lead unless it is fully encapsulated so there isn't any skin contact or a way for dust/chips to be generated. Things like pennies, washers, ball bearings or other loose items must be in a robust container so that they will not dump all over the field if the robot tips over.
So the question is what are the sash weights made of?
The rookie team I am helping out is using sash weights as they are at a very old school and there is a stack of them in the maintenance shop. They are cast iron, though that doesn't mean yours are.