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Originally Posted by Cory
People do this all the time.
If you had a super fast robot and wanted to slow it down for precise movement, I could see using it.
It seems like a waste to limit the power of your motors when using this option as if it were a psuedo 2 speed transmission, however.
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While it may be a waste, for teams with limited resources (money or experience) it is sometimes the only way to achieve 2 speeds.
During our rookie season, we had no driver practice prior to shipping, so it was during our first practice round that we discovered that it was very difficult to control while turning. We used software to scale down our top speed to 1/3 during normal operation, and tied the thumb button on the joystick to full speed while travelling straight. Very inefficient, yes, but given the time constraints and lack of experience I think it was a good solution to the problem. And it was kind of fun to see the robot just kind of crawling along, and then suddenly take off at full speed.