Telltales

Short strands of wool or ribbon on a sail (or shrouds) showing airflow — a practical guide to sail trim.

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Related T-terms

Tether

A two- or three-hook safety line attaching a crew member's lifejacket/harness to a jacklin…

Tackle

An arrangement of blocks and line that provides mechanical advantage.

True wind

The actual wind speed and direction relative to the ground — what a stationary observer at…

Tune

To adjust the tension and alignment of the standing rigging so the mast stands straight an…

Tack

(1) To turn the bow through the eye of the wind so the boat changes from one close-hauled …

Tiller

A horizontal handle (or extension) fixed to the rudder stock, used to steer a smaller yach…

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