Subject:
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Re: Update on Virtual Plans
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Newsgroups:
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lugnet.build
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Date:
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Fri, 15 Jan 1999 17:23:23 GMT
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Viewed:
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901 times
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On Fri, 15 Jan 1999 13:43:35 GMT, Fredrik Glöckner
<fredrik.glockner@bio.uio.no> wrote:
> blisses@worldnet.att.net (Steve Bliss) writes:
>
> > Interesting, I just pushed some numbers through Excel, and it looks
> > like 12L beams are the only beams suited for diagonal bracing. They
> > can be placed at two different pitches (advancing 6 or 8
> > stud-widths).
>
> True, this is because it makes a phytagorean trinagle, right, with
> 6-8-10 sides. (A multiple of 3-4-5.)
Right. It was easier for my brain to set up a spreadsheet and try each
combination of beam-length and stud-pitch than to work out which beams
are the right length to make up the hypotenuse(sp?) of a pythagorean
triangle.
Note: actually, you can use any length beams as the diagonal brace
between other beams. You just don't a spacing on the other beams that
fits with lego-standard.
> I've also used this fact to make a modular tower suitable for a creeping
> crane (that's the correct term, right?). So far, only the tower is
> done. If you're interested, sneak a peek at
>
> http://www.math.uio.no/~fredrigl/technic/creeping-crane/
Neat pics.
> Do anybody else have a design for a crane tower that is efficient and
> nice? It shouldn't have too many pieces, but still be rigid. My design
> has a tad too many pieces, I guess, but I think it's cool to be able to
> make each section from four identical "panel" elements.
No matter what, I think constructions like these take too many pieces.
> > I'd like to be able to pick up the entire model when it's actually
> > complete (even if I need a friend or two to help me).
>
> D'you mean you're actually going to complete it? You've got that many
> transparent pieces and so on? *boggle*
Well, since the design is nowhere near complete, I can make any plan I
want. But the transparent pieces aren't going to be the problem. I've
been slowly accumulating those for some time. I've got a lot of 12H
dome pieces, and most of the pieces I need to build the greenhouse, as
it depicted on the web pages. The real problem is that I have nowhere
near enough Technic pieces to build the frame. And then I need a ton of
large plates to put in floors.
I don't seem to design lightweight. All of the model studies I've done
use a lot of pieces.
Steve
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