Thistlebase
The Thistle Centerboard Part 1: History
Technical history of Thistle centerboard evolution from wooden boards with lead tips through modern fiberglass construction, discussing failures, design improvements, and the development of super boards with better structural integrity.
View original on Google Drive · page 6
The scanned issue opens in Google Drive; turn to page 6.
This is a summary. The full article text is © the Thistle Class Association — read the original scan via the link above.