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What is the Circle Length?

Discussion in 'Questions & Answers' started by Thomas the dank engine, Apr 10, 2017.

  1. Thomas the dank engine

    Thomas the dank engine New Born (1) Member

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    I see formulas, such as,
    Angle = 90 - Circle_Lengths*4 ± Wind_Speed/14
    And I don't know what the Circle_Lengths are.