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Originally Posted by /Pyro
I am confused about this picture. It looks as if the gear was designed that way. It appears to be bolted twice to an aluminum block that appears to be attatched to an arm. Some clarification would be nice.
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this is what happened to our arm (322) durring one of our earlier attempts to hang. this particular sprocket wasnt directly connected to the fishers, but to two window motors that control our wrist. we tried to hang with our wrist slightly bent, and because window motors lock in place, the sprocket gave into the weight of a 130 lbs bot trying to hang. gravity tried to straighten the wrist, and the motors tried to hold the wrist in place, and crunch... there goes our sproket. ...but yea, it was the fishers that lifted the robot up to begin with...
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Originally Posted by /CrazyCarl461
I'm sure the two tabs used to be collinear. The tremendous moments about each of the bolts caused them to slip from their fastening and swing around bringing the rather thin rim with them.
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yep that pretty much what happened.