The Human Speedo
Technical sailing article explaining how to use visual crew feedback to gauge speed and height relative to competition without electronic speedometers. Ingham describes how his tactician Quinn compares relative distance to nearby boats to provide honest feedback in 20-second cycles, enabling quick adjustments to sail trim and boat handling.
View original on Google Drive · page 26
The scanned issue opens in Google Drive; turn to page 26.
This is a summary. The full article text is © the Thistle Class Association — read the original scan via the link above.