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 I tried, but our freshmen lost enthusiasm about filing the blocks of aluminum I gave them into Andymark Performance Wheels after only a few hours! - Greg Woelki [more] |
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| I tried, but our freshmen lost enthusiasm about filing the blocks of aluminum I gave them into Andymark Performance Wheels after only a few hours! - Greg Woelki [more] |
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#34
09-04-2009, 09:05
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Re: Why Hasn't first gone Brushless?
There are so many problems with using 3-phase motors on FRC robots. Not the least of which is safety, having 120/240V around. I'm sure we'd all love to have kids wiring a high voltage system, which could rather easily kill them. I'm also not too familiar with inverters, but we would either need something that converts from 12VDC or have some way to store higher voltages (and then convert those to AC) on the robot, or have power lines leading to the robot (can you say "accident waiting to happen"?)
In my opinion, the safest, and most logical thing to do for FRC robots is to use some form of DC motors. Right now, brushed motors are being used due to logistics, and availability/price. Maybe, sometime in the (hopefully near) future, brushless motors could be used. |
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