Subject:
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Re: 60 degree problem
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Newsgroups:
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lugnet.build
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Date:
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Wed, 13 Jan 1999 19:06:40 GMT
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Viewed:
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1048 times
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Larry Pieniazek writes:
> Duane Hess wrote:
> > James Brown writes:
> > > My original question still stands - does anyone have a solution for me?
> >
> > Have you tried a Technic 3 blade rotor? It's not *quite* what you are • trying
> > to build, but I think it should be workable.
>
> A 3 blade rotor will give the same angle geometry but I don't beleive it
> is what James is asking. I believe he is asking how to anchor something
> to the top of this assembly that is connected to all three legs.
> Geometrically, there is no arrangement that will work, as there is no
> right triangle with integral side lengths that has a 60 degree angle.
> The length of the hypotenuse is not a rational number if the smaller
> side is 1.
>
> Therefore to fix a rectangular plate at the top of this you will need to
> use some sliding component somewhere.
:-/ That's pretty much the same conclusion I came to. Unfortunately, I can't
get enough stability from that with the current design. <sigh>
Back to the drawing board <grumble grumble bitch bitch> I _liked_ that design
too. Maybe I'll sooth my ego by putting up a picture on my site. ;)
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Message has 2 Replies:
 | | Re: 60 degree problem
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| (...) Please do that. I can't seem to visualize it with just text and ascii descriptions. With an actual picture, or maybe an ldraw rendering, someone may be able to suggest something useful. -- Terry K -- (25 years ago, 14-Jan-99, to lugnet.build)
| | | Re: 60 degree problem
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| (...) This looked (sounded?) interesting to me so I just spent a few minutes digging up a few of these plate hinges and some 2x2 plates, and a few various other things and found a couple things that may interest you. Take your original base (3 (...) (25 years ago, 14-Jan-99, to lugnet.build)
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Message is in Reply To:
| | Re: 60 degree problem
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| (...) A 3 blade rotor will give the same angle geometry but I don't beleive it is what James is asking. I believe he is asking how to anchor something to the top of this assembly that is connected to all three legs. Geometrically, there is no (...) (25 years ago, 13-Jan-99, to lugnet.build)
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