(f) The length of mast from deck to trunk or end of pole shall not exceed 26 ft. 8 in. Bowsprit from fore side of mast to extreme end shall not exceed 19 ft. in length. The boom from aft side of mast to the end shall not exceed 18 ft. 6 in. and the gaff (measured parallel to the boom) shall not exceed 16 ft. 8 in. in length. It shall, however, be optional to have a boom 22 feet in length from aft side of mast to the end, provided that the gaff does not exceed 15 ft. in length. Topsail yard shall not exceed 18 ft. 9 in. in length.
Limit angle of counter.
(g) Hoist of mainsail from thimble to thimble 16 feet.
(h) From deck to pin of jib halliard sheave or pin of block shall not exceed 23 ft. 9 in.
(i) Mast from deck to pin of topsail sheave shall not exceed 25 feet 9 inches.
Smart breeze for racing, Windermere.