Undersea Station: Ballast

ballast-experimentKeeping an air filled structure on the sea-floor is more difficult than expected. Especially while descending and landing the station major difficulties occurred on previous stations. We can calculate about one kilo of weight (negative buoyancy) per litre of air inside the station (positive buoyancy). The dimensions are huge: imagine a space of 50 m² with a height of 2m, which equals 100 tons of counterweight. At the same time it has to be considered, that these weights have to be lifted again in the end of the mission. For ecological reasons we should find a way to leave the weights on the site and to use a material that would not harm the environment. Continue reading “Undersea Station: Ballast”

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