Lesson plan

Layline

In sailboat racing, a layline is an imaginary line extending from the objective (typically a racing mark) to indicate the point at which a boat should tack or jibe in order to just clear the mark on the correct side (weather side if upwind tacking, leeward side if downwind jibing).

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Article summary

In sailboat racing, a layline is an imaginary line extending from the objective (typically a racing mark) to indicate the point at which a boat should tack or jibe in order to just clear the mark on the correct side (weather side if upwind tacking, leeward side if downwind jibing).

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  1. Summarise the article in your own words. Which single claim would you verify first, and why?
  2. Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
  3. If two sources disagreed about one of these facts, what would you need in order to trust one over the other?

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