A common way of making punt boats for commercial work is to utilise aluminium planks similar to scaffold/painter's planks. To do this, the planks (about 230mm wide each) are butted side by side and welded along the top and bottom edge to form the basis for the bottom, sides, etc. Maybe 8 planks for the bottom of the boat, 2 or 3 for the each of the sides, etc. See the attached pic.
My question is, what sort of rig is used to do the initial long welds when putting together the big flat sets of the planks? A boat I've got at the moment has at least 150m of weld just on the main plank joins and it is a relatively short boat at 5.5m. I've heard mention of some sort of conveyor belt system? Anybody know?
thanks
Mick

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