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Originally Posted by Al Skierkiewicz
Not to pile on here,
... ... A failure of six at a time is temperature related and will usually result in damage to the circuit board.
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Many competing products to Victors protect themselves from thermal destruction by having the micro onboard the Electronic Speed Controller (ESC) monitor current and/or temp flowing through the ESC.
Back when I was a rabid robot warrior, I thought that I wanted every ounce of performance from the ESC. I reasoned that I would rather replace any dead ESC between matches than loose a pushing match because the ESC was protecting itself.
I have since moderated my views. If everyone has the same constraints, it doesn't really hurt the competition to have everyone with a little less current capability in the ESC -- it's just one more constraint everyone has to live with. The main result of an ESC that protects itself would really just be lower sales of ESCs because fewer die and teams don't have to buy replacement/extra ESCs.
Bottom line, I think it is a good idea for ESC's used in FIRST to have internal thermal protection.
Joe J.