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1953 Alcort Sunfish ZIP 30 May 20 Construction Notes
31 May 2020 · 9 min · 47 views
What this video covers
Restoration of a 1953 pre-production Alcort Sunfish, specifically hull number 13 of 20, requires careful attention to the original structural design and drainage systems. The deck attaches primarily to internal stringers and frames, leaving a small gap between the deck and frames that serves as a limber hole for water drainage.1:54 Builders should avoid sealing these gaps, as the early design relies on these channels to direct water toward the cockpit for manual sponging.2:49 The internal structure features 1 1/4-inch thick frames, with 1 1/2-inch thick frames supporting the cockpit.7:09 A 3-inch wide longitudinal member, or longeron, runs along the centerline of both the deck and the keel, providing the primary support for the mast step and daggerboard trunk.6:12 When repairing the stringers, feather the edges back approximately 2 inches to ensure a smooth transition for patch pieces.0:46 Using wax paper to create a pattern for the patch ensures a precise fit before final installation.1:06
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