Sailing SV Delosvideo
Our SECRET WEAPON to Create Curves - Aluminum Catamaran Build Part 3
30 de agosto de 2024 · 22 min · 266K vistas
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The crew building the aluminum catamaran SV Delos 2.0 uses an English wheel to shape flat hull plates into the complex curves required for the vessel's bottom and skeg sections.1:47 The process involves feeding aluminum sheets between a top roller and a bottom V-roller to stretch the material, guided by reference lines and templates provided in the build kit.2:04 Because the plates do not always sit flush against the frame, the team uses chain blocks to pull them into position before tack welding.15:58 To prevent heat-induced distortion when welding the thick skeg plates, two people weld simultaneously on opposite sides to balance the thermal load.17:04 The stern tube, which houses the cutlass bearing and propeller shaft, is installed at a 12-degree angle relative to the waterline.16:43 The team notes that metal construction allows for easier structural adjustments compared to fiberglass.16:16 Proper tensioning on the English wheel is critical, as excessive pressure can over-curve the metal and ruin the plate.3:49
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