Thistlebase
Stubner Queries CB Slot Length
From The Measurer column: Walt Stubner submits detailed technical questions about Thistle class rules and specifications. George Devlin, Class Measurer, provides answers covering centerboard slot specifications, reefing winches, permanent wedges, bow seats, and other technical matters.
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This is a summary. The full article text is © the Thistle Class Association — read the original scan via the link above.