02-06-2010, 23:48
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Standing on the Shoulders of Giants
AKA: Garret Smalley
 FRC #0691 (Hart District Robotics) Team Role: Mentor
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Join Date: Dec 2009
Rookie Year: 2008
Location: Goleta, CA (UCSB)
Posts: 203
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Re: Toughbox Torque
Quote:
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About the CVT, the 217 "CCT" is not a true CVT, it provides infinite variability but does not actually change the output torque - It is a planetary transmission with a motor on the sun and ring gears (with the ring driven by a non-backdrivable input, they used a worm gear). The sun provides the power, and without the ring spinning, it is at a fixed ratio. They then powered the ring gear to increase the ratio, but since they are adding more power (to spin the ring) to make it go faster, the torque is still the same.
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Thanks for explaining that.
__________________
7 Years of FRC
 "You students are at the top of the mountain, at the pinnacle of success, and what is it that you do?
You become the future guides to help others climb the mountain."
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