Subject:
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Re: Math.. I'm making my head hurt...
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Newsgroups:
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lugnet.cad
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Date:
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Mon, 5 Feb 2001 03:37:21 GMT
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Viewed:
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1471 times
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In lugnet.cad, Bram Lambrecht writes:
> Todd Lehman writes:
> > In lugnet.cad, Steve Bliss writes:
> > > Now *my* head is hurting. You mean all these elements
> > > http://guide.lugnet.com/partsref/search.cgi?q=%2Bslope+%2Bbrick+%2B33
> > > are mis-named? Oooo, someone get me some aspirin...
> >
> > They're not too far off...
> >
> > Brick | Multi-Brick Multi-Brick | Single-Brick Single-Brick
> > Size | Slope Angle | Slope Angle
> > ----------+-----------------------------+------------------------------
> > 6x8x1 | 6:35 9.727579° | 11:70 8.930590°
> > 2x4x1 | 6:15 21.801409° | 11:30 20.136303°
> > 1x3x1 | 6:10 30.963757° | 11:20 28.810794°
> > 1x2x1 | 6:5 50.194429° | 11:10 47.726311°
> > 2x2x2 | 12:5 67.380135° | 23:10 66.501434°
> > 2x3x3 | 18:5 74.475889° | 35:10 74.054604°
>
> I agree with the first column (measuring from the bottom of vertical portion
> of the slope to the top of the slope), but not the second. In LDraw parts,
> the little vertical portion of the slope is 4 LDU, not 2, so the ratios are
>
> Brick | Single-Brick Single-Brick
> Size | Slope Angle
> ----------+------------------------------
> 6x8x1 | 1:7 8.130102°
> 2x4x1 | 1:3 18.434949°
> 1x3x1 | 1:2 26.565051°
> 1x2x1 | 1:1 45.000000°
> 2x2x2 | 11:5 65.556045°
> 1x2x3 | 17:5 72.610460°
Shouldn't this be:
1x2x3 | 17:5 73.610460°
Anyways, I've checked out most of the these calculations and measurements and
they seem correct to me.
- Mladen
>
> But then again, the LDraw measurements may not be exact.
> --Bram
>
>
> Bram Lambrecht
> bram@cwru.edu
> http://home.cwru.edu/~bxl34/
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Message is in Reply To:
 | | RE: Math.. I'm making my head hurt...
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| (...) I agree with the first column (measuring from the bottom of vertical portion of the slope to the top of the slope), but not the second. In LDraw parts, the little vertical portion of the slope is 4 LDU, not 2, so the ratios are Brick | (...) (26 years ago, 5-Feb-01, to lugnet.cad)
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