Subject:
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IRON MECHA joint tech
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Newsgroups:
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lugnet.build.mecha
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Date:
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Fri, 6 Jan 2006 23:24:26 GMT
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Viewed:
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2199 times
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Progress Pics Part 2: Thigh Joints
I call it an “open face worm joint”. It’s made possible by exploiting the
flanged axle’s self retaining capability.
deep link 1
deep link 2
deep link 3
It allows the thigh to be very narrow, and plate skinned, while still having a
worm gear driving a medium gear in a completly locked setup (ie. won’t fall
apart under torque). You actuate the joint by rolling the worm gear directly
with your finger.
The axle in the joint will twist under load, but it can still support all the
weight necessary.
This is joined to the body by a reinforced off center pivot that gives good
outward leg splay and lengthens what you might call the “wheelbase” of the
chassis, in car terms.
Next, the knee joints.
K
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