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 I'm not suffering from my FIRST "addiction". I enjoy every minute of it. - Katie_UPS [more] |
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| I'm not suffering from my FIRST "addiction". I enjoy every minute of it. - Katie_UPS [more] |
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#17
15-01-2009, 13:26
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Re: 4WD Turning Difficulties
"I have to wonder what we did "wrong" to get it to steer. Could it be the shortened wheelbase?"
The spreadsheet model (http://www.chiefdelphi.com/media/papers/1917) predicts that you should NOT be able to turn a "portrait" tank drive robot, if you use the published coefficients of friction. However, I've seen several posts which claim that the .14 lateral coefficient of friction is overstated. If you put lateral coefficients more like the in-line coefficients, the model computes that you will indeed be able to turn. |
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