Subject:
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Re: My Pictures From Brickfest
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 26 Jul 2002 03:04:41 GMT
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Viewed:
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692 times
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In lugnet.robotics, Thomas Avery writes:
> In lugnet.robotics, Rob Doucette writes:
> > The structure is surprisingly rigid. Almost no flexture.
>
> That's because it's a truss :-)
>
> A truss is a structure composed of triangles (very simple explaination). A
> truss is very stiff because its geometry causes all members to be loaded in
> compression or tension. Theoretically, the members see no bending moment.
In practice, given the length of the members in Doug's model I'd expect them
to behave as slender columns when loaded (by leaning on it as opposed to the
weight of the pick n place mechanism which didn't seem to add much load).
-Rob.
[looking around for my statics book]
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Message has 1 Reply:
 | | Re: My Pictures From Brickfest
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| (...) And those would be the compression members of the truss. (...) At just a glance (i.e. no proper analysis), I imagine that when you "leaned" on it, you'll have a few members in tension somewhere in the structure. The structure will deflect very (...) (22 years ago, 26-Jul-02, to lugnet.robotics)
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Message is in Reply To:
| | Re: My Pictures From Brickfest
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| (...) That's because it's a truss :-) A truss is a structure composed of triangles (very simple explaination). A truss is very stiff because its geometry causes all members to be loaded in compression or tension. Theoretically, the members see no (...) (22 years ago, 26-Jul-02, to lugnet.robotics)
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