Sailing SV Delosvideo

INSANE One Year TIMELAPSE 🤯 Building Our Own Aluminum Catamaran

May 30, 2025 · 10 min · 2.5M views · Australia

What this video covers

Construction of a custom aluminum expeditionary catamaran began in April 2024 with the delivery of 9 tons of CNC-cut 5083 marine-grade aluminum.0:16 The build, managed by Stradbroke Yachts in Australia, utilizes 16 frames spaced one meter apart, aligned on a strongback with laser precision.0:47 Fabrication involved double-pulse MIG welding and TIG welding, with hull plates shaped using an English wheel.1:35 The vessel was built upside down to facilitate welding the bridge deck and hull plates before being flipped right-side up for superstructure assembly.1:35 The design features wave-piercing bows with a four-meter watertight collision bulkhead and a diesel-electric hybrid propulsion system consisting of a NANI N4 80 engine and two 25-kilowatt Combi Systems electric motors.4:05 Interior components utilize lightweight plastic honeycomb panels covered in fiberglass.7:49 The electrical backbone includes a 500 mm2 copper bus bar designed to carry 50 kilowatts of power from the battery bank to the motors.5:27

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