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Re: Crazy Drive Train Ideas
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Yes, teams typically get 2 FP motors. What sized wheel? How fast do you want to go? Divide the circumference of the wheel by 85% of the motors free speed (a rough approximation for full speed under load) then multiply by the gear ratio (1:15 reduction would mean multiplying by 1/15th) and there's your top speed. Generally 5ft/s is a good pusher robot, 8ft/s is quick with good acceleration, and 11ft/s is FAST with moderate acceleration. |
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Re: Crazy Drive Train Ideas
if anyone knows how a auger driven drive would be affected by the rules, my team is seriously considering it, it would be holonomic, with incredible traction, it could handle soft terrain as well as bumps. we are looking at ice fishing augers right now for cheapness and availability.
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augers would work, two augers with oposite direction helixes, the spin the opposite direction of each other to go forward or backward, altering the speed that each one drives would achieve holonomicacy. to go sideways, both spin in the same direction, due to the way the screws are set up it will not be vulnerable to pushing from one side while traveling at 90 degrees like mechanum is to some degree, i think ill ask on Q&A next year if that would be legal.
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I'm not 100% sure this is a word, but if not, it should be. Or would it just be holonomicy? Either way, it's finding it's way into my vocab. /tangent/ |
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Additionally, it is hard to find a material that can slip against the carpet, yet still have traction, yet won't destroy either the carpet or itself very quickly. The analogy would be if you made a "kiwi" drive (wheels at 45 degree angles to the body) with regular wheels - everything would scrub the ground all the time. It kills your wheels, it kills the carpet, and it kills your efficiency. All of this goes out the window (somewhat) if you are driving in sand, but otherwise I would think long and hard before implementing this. |
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Argh!!!!!! Please say it isn't so! Good words already exist. Take the time to discover and use them. Vocabulary and writing skills are important. Practice using existing words precisely instead of cluttering your vocabulary with ambiguous jargon that only creates the illusion of technical information. FYI - Most good employers care greatly about this.... /tangent//tangent/ Blake |
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Then there's the element of autonomous maneuvers that the driver could command the quadrotor to do during the match. It brings about a systems range of questions, ranging from how the user inputs the command at the driver's station to how the quadrotor interprets an executes the maneuver regardless of its current orientation or flight path. |
Re: Crazy Drive Train Ideas
how about combining all the omni-directional drive together??
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http://www.youtube.com/watch?v=L3NGCL-efRM |
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