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Re: [Ri3D] BOOM DONE. We're not done...
Quote:
Originally Posted by geomapguy
What's the tooth count on the top drive sprocket??
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Hope to publish more details this weekend.
In the mean time, we used a 2 stage reduction. 2:1 in green cord - search my threads for McMaster part number. 7.5:1 in chain. We made the 120 #25 sprocket -- watch this video
You can make your own too. It is not that hard.
Dr. Joe
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Joseph M. Johnson, Ph.D., P.E.
Mentor
Team #88, TJ2
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