Lego Robotics: engineering and science made fun!!!

Lego Robotics and More

Friday, March 09, 2007

The Golden Ratio

We have finally finished our gear train and the robot which gives the gear train support and actually allows the gear train to perform the function of moving the robot. Also, since one of the rules is that all members of the group must know the gear ratio before competing in the "race" we have taken the time to claculate the gear ratio of our robot. We started by finding out the ratio for a worm gear box which is 1:24. Next, we used what I found about calculating complex gear ratios to find our gear ratio. i found that to find out a complex gear ratio you can multiply its parts. So for our gear ratio we have 3 worm gear boxes: 3 1:24 gear ratios and one 1:25 gear ratio which means we must multiply 24, 24, 24, and 25 which equals 345,600. Therefore, our gear ratio is 1:345,600 and our robot will take days to move the 0.5 meter "race" distance.


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