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Unread 10-01-2014, 07:12
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Joe Johnson Joe Johnson is offline
Engineer at Medrobotics
AKA: Dr. Joe
FRC #0088 (TJ2)
Team Role: Engineer
 
Join Date: May 2001
Rookie Year: 1996
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Re: [Ri3D] BOOM DONE. We're not done...

Quote:
Originally Posted by geomapguy View Post
What's the tooth count on the top drive sprocket??
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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