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Originally Posted by Ben87
I understand the cost Of it, not saying that they would need to be supplied in the KOP, but why not make them legal. I dont see anyone complaining about the cost of the cRio's.... 
They aren't cheap either but everyone benefits from them |
Historically, FIRST hasn't allowed non-kit motors. The lone exceptions in recent years have been for the CIM motors, where two were provided with the kit (and a total of four would be legal). I'm sure someone with more time under their belt can expand on the idea behind that decision.
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At only 337watts the cim motor is not THAT powerful of a motor.. The Brushless system of my Brushless rc car puts out more then double that. If you wanted something comparable to the cim in brushless form, it would be half the size and the only thing needed to use it are shaft adapters which can easily be made.
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The CIM motor is powerful enough to power nearly any manipulator a team could need, and more than powerful enough to tackle a person (or whack them in the chin--don't ask). If it's enough to let us send a robot screaming downfield at upwards of 10 feet per second, do we really need more power? Also, never rule out the importance of those shaft adapters--someone has to make them, and that takes money.
Also, perhaps someone can enlighten me about this: how durable are these motors compared with motors currently in the kit? Sure, they might be more powerful--but that's no good if they burn up when stalled for a tenth of a second, or are particularly intolerant of abuse during assembly and testing. I missed out on the brushless era in R/C trucks (I quit racing when I went to college), so I'm unfamiliar with the state of the art these days.