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Turnout

Tue, 2010-02-23 14:38 — Wolfgang
A friend wanted a turnout for his new module, code 70, 2922mm radius (115'') for the main as well for the diverging track, Y-style.
Well, I've made a AutoCAD drawing and prepared the ties, 4 1/2 hours later: here you're:

And he wanted an "under the ties" throwbar.
Wolfgang
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Comments
Wow!
Very impressive!
Josh
Very nice! And dual guage
Very nice! And dual guage too!
Christopher
I wish I knew you 3 years ago
I wish I knew you 3 years ago that is some great work. What do you do for a living hand cut Gears for swiss pocket watches? again very nice work.
Dan
Rio Grande Dan
Wolfgang, You should
Wolfgang,
You should consider sharing your design process in detail. I have a CAD program, but don't know enough about turnout geometry to use it for creating construction drawings for a turnout.
Matt
CAD
turnout geometry, well I think, it may be not true prototypically. I don't know.
With AutoCAD you draw 1:1. I draw for this turnout all circles for the main.
red - center line for main track standard gauge - 2922 mm
blue - ties inner curve - 2907 mm
black - inner curved rail
base - 2912.5 mm
top - 2913.1mm and 2913.8 mm
base next to track center - 2914.3 mm
narrow gauge at main centerline - 2919 mm
Later I fill the area of the two top rail lines solid, not now. You have to cut a few circles.
Same way I draw the other two rails and the other tie curve. The line for the ties helps placing the ties. Then I draw a construction line where the points of the turnouts will be. On this construction line is the center of the diverging track curves. Now comes the same procedure. Then I use the construction lines to cut the circles. At the end of this step the turnout will have its future sheme.
You see where the frogs will be. I suggest to use a Fast Tracks template as guide for your drawing. Last step filling the areas of the top rails with solid.
Wolfgang
www.westportterminal.de/
Sie sind der Mann, Wolfgang
In English, this comes out roughly as "You da man!" That is just a great job, Wolfgang. I always enjoy seeing what you are up to. Keep up the good work.
The easy way to make a dead-on turnout base
The quick, protoypical, but very inexpensive way to make any common size turnout base is to just use a framer.
Perfect results every time, even if you've never done it before.
Andy
Andy Reichert