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Reply to "Easement: Curves from tangent?"

@Rail Dawg posted:

Great ideas you guys. I wrote to Fast Tracks because I like their SweepSticks and other tools for laying track. Asked them about their making an easement SweepStick. They said they looked hard at that but there were too many variations to be able to produce. Makes sense.

They recommended starting the curve from the tangent using a SweepStick radius larger than the final radius and that would make for a smooth transition into the curve.

That sounded like a pretty good idea to me. Would like to hear your thoughts.

Chuck

If you want to use the simple method of progressive sectional radii, using the rule of thumb to make your whole easement at least as long as your longest passenger cars will help get the appearance you want for those trains.  Whatever radii you use, this would mean the total length of the easement including all pieces of larger radii together being equal to 15, 18 or 21 inches to match your passenger fleet.

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