Subject:
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Re: articulation points?
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Newsgroups:
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lugnet.build.mecha
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Date:
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Wed, 20 Nov 2002 02:39:38 GMT
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Viewed:
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908 times
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In lugnet.build.mecha, Jason Coronado writes:
> thanks for taking the time to answer my question.
Your welcome, anytime.
> if i calculated correctly
> (assuming that i count each joint only once per semetrical side , i.e., one
> shoulder joint, one hip joint, etc.) my model has about 20 poa and 40 dof.
> this is how i figure it: i used a ball joint for the head (3 poa),
> shoulders (3 poa), hips (3 poa), waist (3poa) and feet (3 poa). i used hinge
> joints for the elbows (1 poa) and knees (1 poa). i modeled the hands after
> Gla-Gla's minifig arms idea, therefore there is 1 poa for the hinge of the
> wrist as well as 1 poa for the rotation of that hinge. i also used friction
> pins for the rotational joints of the arms independent of the shoulders (1
> poa). if my math is correct, total poa is 20 and i assume that you double
> the poa to find the dof. if my calculations are incorrect, let me know. i
> should have some pics posted by december on brickshelf. thanks again.
Sounds right.
Good Luck!
e
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Message is in Reply To:
![](/news/x.gif) | | Re: articulation points?
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| thanks for taking the time to answer my question. if i calculated correctly (assuming that i count each joint only once per semetrical side , i.e., one shoulder joint, one hip joint, etc.) my model has about 20 poa and 40 dof. this is how i figure (...) (22 years ago, 20-Nov-02, to lugnet.build.mecha)
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23 Messages in This Thread: ![articulation points? -Jason Coronado (17-Nov-02 to lugnet.build.mecha)](/news/x.gif) ![](/news/46.gif) ![Re: articulation points? -Eric Sophie (19-Nov-02 to lugnet.build.mecha)](/news/x.gif) ![](/news/246.gif) ![Re: articulation points? -Jason Coronado (20-Nov-02 to lugnet.build.mecha)](/news/x.gif) ![](/news/46.gif) ![You are here](/news/here.gif)
![](/news/x.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: articulation points? -Jennifer Clark (20-Nov-02 to lugnet.build.mecha, lugnet.technic, lugnet.robotics)](/news/x.gif) ![](/news/246.gif) ![Re: articulation points? -Eric Sophie (20-Nov-02 to lugnet.build.mecha, lugnet.technic, lugnet.robotics)](/news/x.gif) ![](/news/46.gif) ![Re: articulation points? -Jason Coronado (20-Nov-02 to lugnet.build.mecha, lugnet.technic, lugnet.robotics)](/news/x.gif) ![](/news/46.gif) ![Re: articulation points? -Eric Sophie (20-Nov-02 to lugnet.build.mecha, lugnet.technic, lugnet.robotics)](/news/x.gif)
![](/news/x.gif) ![](/news/x.gif) ![](/news/268.gif) ![RE: articulation points? -Bram Lambrecht (20-Nov-02 to lugnet.build.mecha, lugnet.technic, lugnet.robotics)](/news/x.gif) ![](/news/246.gif) ![Re: articulation points? -Eric Sophie (20-Nov-02 to lugnet.build.mecha, lugnet.technic, lugnet.robotics)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/268.gif) ![Re: articulation points? -Henrik Johansson (20-Nov-02 to lugnet.build.mecha, lugnet.technic, lugnet.robotics)](/news/x.gif) ![](/news/46.gif) ![Re: articulation points? -Jason Coronado (20-Nov-02 to lugnet.build.mecha, lugnet.technic, lugnet.robotics)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: articulation points? -lego-robotics@crynwr.com (Steve Baker) (21-Nov-02 to lugnet.robotics)](/news/x.gif) ![](/news/46.gif) ![Re: articulation points? -Anders Isaksson (21-Nov-02 to lugnet.robotics)](/news/x.gif)
![](/news/x.gif) ![](/news/x.gif) ![](/news/268.gif) ![Re: articulation points? -lego-robotics@crynwr.com (Rob Limbaugh) (20-Nov-02 to lugnet.robotics)](/news/x.gif) ![](/news/46.gif) ![Re: articulation points? -Eric Sophie (20-Nov-02 to lugnet.robotics)](/news/x.gif) ![](/news/46.gif) ![Re: articulation points? -Jennifer Clark (20-Nov-02 to lugnet.robotics, lugnet.build.mecha, lugnet.technic)](/news/x.gif) ![](/news/246.gif) ![Re: articulation points? -Trevyn Watson (18-Nov-02 to lugnet.robotics, lugnet.build.mecha, lugnet.technic)](/news/x.gif) ![](/news/46.gif) ![Re: articulation points? -Gordon Bentley (22-Nov-02 to lugnet.robotics, lugnet.build.mecha, lugnet.technic)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: articulation points? -Gordon Bentley (21-Nov-02 to lugnet.robotics, lugnet.build.mecha, lugnet.technic)](/news/x.gif) ![](/news/46.gif) ![Re: articulation points? -lego-robotics@crynwr.com (Steve Baker) (21-Nov-02 to lugnet.robotics)](/news/x.gif)
![](/news/x.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: articulation points? -Geoffrey Hyde (23-Nov-02 to lugnet.build.mecha, lugnet.technic, lugnet.robotics)](/news/x.gif) ![](/news/46.gif) ![Re: articulation points? -Mike Fusion (24-Nov-02 to lugnet.build.mecha, lugnet.technic, lugnet.robotics)](/news/x.gif)
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