Spiral Curve Turn

Spiral Curve Turn

I have laid out and/or built and experienced my share of circular turns, but also spiral and logarithmic. Recently I built a spiral 180 based on the Golden Ratio or Fibonacci sequence. More on turns here.

First, I’ll say that I am a skeptic, but thought it would be fun to experience the Golden Ratio on a bike. Why not? Second, there is a lot of bs and “woo” surrounding the golden ratio, but this video helps put some of it to rest:

Anyway, here it is, two connected circular radii (some of the comments are worth noting):

One of the main things doing the spiral layout did at was help squish or flatten the depth of the turn to help it fit against the big rocks behind it, but still give it the same entry and exit.

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