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In lugnet.org.ca.rtltoronto, Derek Raycraft wrote:
> I'm trying to figure out some track geometry that includes a 45 degree
> run, but fits back into the regular perpendicular runs.
>
> Does anyone know of a website with examples of how to do this. So far I
> haven't managed anything on my own.
There is no perfect solution because the square root of 2 is not a rational
number.
HOWEVER there are some that are quite close.. within a stud or two both
horizontally and vertically)
Try this (using track designer which you can get using info in the header of
lugnet.trains if you don't have it already)
- start a track horizontally (going left, say).
- Put a switch up then a quick reverse curve so now you have two parrallel
horizontals at normal spacing.
- take the bottom one about 8-10 tracks farther to the left.
- now loop it upwards 4 sections till you are going vertically
- go one section straight vertical
- now loop around 6 sections till you form a 45 (that is, go 135 degrees of
circle)
- go 5 diagonally down (I think it's 5)
- go 2 curves in the other direction.
- go straight to the right and you sholud find you are pretty darn close to the
same point.
it's close enough that I think Track Designer thinks it's a shorted reversing
loop. (no actually it doesn't so...)
Hope that helps.
There is a website somewhere that has some of these saved and displayed. if
anyone knows it, I'll put it in the header of lugnet.trains
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Message is in Reply To:
 | | Track Geometry
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| I'm trying to figure out some track geometry that includes a 45 degree run, but fits back into the regular perpendicular runs. Does anyone know of a website with examples of how to do this. So far I haven't managed anything on my own. Thanks Derek (...) (20 years ago, 18-Nov-03, to lugnet.org.ca.rtltoronto)
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