I'm not sure what this would solve, but I "dump" it in here anyways. Helium is too expensive, so we use hydrogen. Hydrogen is not safe, so we...
Ok, so I have this problem: I have a rather long commute. 1500km from my home to my jobsite. Where I work, we take airplanes. But I don't like...
Why are barges for goods like coal or corn stumpy square boxes, instead of nicely shaped vessels? Does anyone know the exact reason? Is it...
I've cruised the internets a bit for ferrocement, but a lot of that literature is unreliable, amateurish or very outdated. Does anyone have...
Why isn't anyone using the coanda effect to generate lift (like a hovercraft), and to then push forward into ground effect or to hydrofoil? The...
It's a designer, and he's young, so let's not nail him down on the details. It's a neat set of pictures, don't you think? I've always wanted to...
Hi I'm very new to boat design. I'm studying to build a trimaran out of plywood and fibreglass. The boat will only travel on a river. The...
