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Hoisting a 120 Kg Cradle Box On Top of Our 50ft hull - Ep. 392 RAN Sailing

May 3, 2024 · 19 min · 102K views · Skåne

What this video covers

Johan and Malin construct two custom cradle boxes to support their 50-foot boat hull during an upcoming rollover operation.1:28 The front box spans 2.3 meters, while the aft box spans 4.3 meters to accommodate the hull's width.5:27 Johan builds the boxes using plywood, epoxy, screws, and wooden dowels, incorporating internal grids to manage compression loads.2:16 To address future bending forces when the boxes act as a cart for moving the hull, he reinforces the structures with 8-millimeter-thick steel plates and plans for additional steel bracing later.9:35 The aft box weighs approximately 120 kilograms, requiring the couple to install a ceiling-mounted tackle system to hoist it into position against the hull.13:20 They line the contact surfaces with soft mats to distribute pressure and protect the hull's finish.12:07 The boxes are positioned to leave the propeller shaft and rudder areas accessible for future work.18:25

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