Understanding Mast Bend

Dunn provides a detailed technical explanation of mast bend in Thistle dinghies, covering both lateral and fore/aft mast bend. He explains how diamonds, shrouds, and the mast step affect sail shape, and provides practical tuning advice for sailors.

This is a summary. The full article text is © the Thistle Class Association — read the original scan via the link above.

• mast bend
• tuning
• sail shape
• rigging
• technical