In r/navalarchitecture and r/MarineEngineering, a student flood rescue device concept triggers feedback that stability looks plausible from images, but usability constraints like weight, transport, patient loading, and towing should drive iteration with rapid prototyping.
Attached photo is my current design, it is a floatation device, rotomoulded HDPE rescue device for flood rescue conducted in the narrow streets in my country.
I would like to consult with naval architects/marine engineers about its stability status and possiblity of improvements.
The stability and buoyancy both appear the be adequate from the picture, but I'm more concerned about the human-centered design aspects.
Is it light enough to transport by hand? Is it compact enough to bring on a small boat or truck when needed?
If you are able, try some rapid prototyping with the end users to get feedback on these questions.
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