Biscayne bound; the DIY self-steering windvane

Southerly winds ahead of an approaching cold front prompt me to make the 100-mile sail from Marathon, FL, to Biscayne Bay (Miami). On account of numerous requests, I revisit my self-steering windvane, from its design and construction to its operation.

HOW TO SAIL OCEANS TEE SHIRT: https://maritimetees.net/search?q=how+to+sail+oceans

WEBSITE: https://www.boothbyboats.com

TIP JAR: https://www.paypal.me/KevinBoothby

CAMERAS:
Canon EOS 60D
Olympus TG-3
Go Pro Hero 7 Black