Hi all(adsbygoogle = window.adsbygoogle || []).push({});

I work on the rail roads and I am trying to solve a geometry problem which I was hoping someone could help me with.

My problem is this:-

I have a straight rail road. At point A trains can divert onto another road, the other road is curved with a radius (R1), the curvature of the road changes to R2.

If I was to continue to travel along the straight rail road then what would be the offset from some distance travelled along the straight (AB) to the top of the 2nd curve.

In simple terms how is offset BC calculated.

I’m not much of a math’s wiz so I could really use a hand. I have made a drawing to illustrate what I am trying to calculate.

I really want to understand where and how it is calculated.

Can anyone shed any light?

Thanks guys

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# Geometry Problem

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