Thistlebase
THISTLE BOOM VANG WITH MULTIPLE PURCHASE-RIG AND MATERIALS
Technical article on boom vang design and construction for Thistle racing. Includes detailed diagram showing a powerful 8:1 advantage configuration with materials list and assembly instructions.
View original on Google Drive · page 14
The scanned issue opens in Google Drive; turn to page 14.
This is a summary. The full article text is © the Thistle Class Association — read the original scan via the link above.