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Easy and reliable transition curves...
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<P>Here's how I eased my curves:</P> <P>1. Draw out the straight sections of track, extending the line past the start of the curve.</P> <P>2. Draw your centerline of your curve 1" to 1 1/2" inside the straight sections of track. For instance, if you're drawing a 24" radius curve, the center will be 25" to 25 1/2" inside the straight sections.</P> <P>3. Draw a curve TWICE the radius of your curve that's tangential to both the straight line and the cruve. In this case a 48" radius. This will make the "eased" curve about 12 to 18" long, long enough for the rail car to enjoy the transition.</P> <P>When you lay out your flex track it will naturally buffer the two transitions and you'll be hard pressed to actually see precisely where the curve starts.</P> <P>Mark in Utah</P>
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