To check the welding quality and the material at very early stages the “dinghy” 5m x 1.76m in 3mm alloy AA5083 has been welded.

dinghy SolidWorks CAD model

Dinghy being sea tested

The first tests were very successful. Minor reinforcements had to be made. The boat is early planing (even with 4 persons) powered by just 15HP 4-stroke JOHNSON outboard motor.