Subject:
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Re: New Track radius question
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Newsgroups:
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lugnet.trains
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Date:
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Mon, 11 Dec 2000 06:31:58 GMT
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Viewed:
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1235 times
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In lugnet.trains, Steven Barile writes:
> I just measured and the radius of LEGO track and it's 20 studs (to the
> center of the tie). The question is what should the wider track radius be.
> Add 8 studs and the ties are touching end-to-end, not a great solution, way
> to close. There needs to be room so the longest of train cars pass in
> opposite directions and not hit corners (obviously).
>
> Questions:
> 1) How far a part should the tracks be around a curve?
> 2) What is the criteria for your answer?
> - length of car
> - width of car (pls, no beating the 8 wide horse to death in this thread)
> - how far in are the trucks set back
>
> SteveB
I believe you mean 40 studs...
You would want to increase the radius in 2.5" increments (8 studs) so that a
semi-circle will still measure out to equal a set number of straight tracks.
The current curve will form a circle that is as wide as 5 straight tracks.
I would like to keep this curve and add a curve with a larger radius. The
radius of curve would need to match up to how much space you want between
tracks. Most people would not want to have parallel tracks completely side
by side, but would want a given number of studs between them. The current
points put the second track 16 studs offset from the original track.
Keeping this as a good space between the tracks, we would have:
Current curve: 40 stud (12.5") radius
Large curve: 56 stud (17.5") radius
Larger curve: 72 stud (22.5") radius
Largest curve: 88 stud (27.5") radius
For a 30" wide module, the 88 stud radius curve would be the largest you
would be able to fit on it. To keep everything else working together well,
you would want 16 parts per circle, or 22.5' per section. I personally
would like to see all three larger radii available. A new point without the
"S" curve would be nice as well.
We still need a crossing piece for trains on parallel tracks to cross from
one to the next.
As for the shorter track, I DO NOT want an 8 stud and 4 stud straight!!! I
want a pack that has a bunch of 3 and 4 stud straights. With that, you can
make any length you need except a 1 or a 2. For that, you remove a straight
and replace it with a 17 (3*3+2*4) or 18 (4*3+1*4)long. The only
impossibility is coming out of a curve or a point and needing a 1 or 2.
Still it gives massive flexibility with only 2 new pieces.
The other option is a pack with a bunch of 4's and 1's. The problem with
1's are that they would be very difficult to work with (easy to break), but
they would give even more flexibility than the 3&4 system.
Mike Poindexter
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Message is in Reply To:
 | | New Track radius question
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| I just measured and the radius of LEGO track and it's 20 studs (to the center of the tie). The question is what should the wider track radius be. Add 8 studs and the ties are touching end-to-end, not a great solution, way to close. There needs to be (...) (24 years ago, 11-Dec-00, to lugnet.trains)
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