Sailing SV Delos · video

What this video covers

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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