Another tech from the 1970s, not worth a new thread:
https://investors.metals.co/news-releases: NORI and Allseas Lift Over 3,000 Tonnes of Polymetallic Nodules to Surface from Planet’s Largest Deposit of Battery Metals
by The Metals Company -- Nov 14, 2022
Quote:
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During the historic deepsea trials, engineers drove the pilot collector vehicle across over 80 kilometers of the seafloor, collecting approximately 4,500 tonnes of nodules and bringing over 3,000 tonnes up a 4.3-km riser system to the surface production vessel, Hidden Gem
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Here's some fine reporting:
Quote:
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Allseas engineers put the system through a series of tests achieving a sustained production rate of 86.4 tonnes per hour, roughly equivalent to transporting the mass of 40 Tesla Model S vehicles up the 4.3-km riser pipe every sixty minutes. The pilot system is expected to be scaled up to include additional collector heads and a wider diameter riser pipe in preparation for NORI’s Project Zero, which will target a production rate of over 200 tonnes per hour., as Leading Scientists and Marine Experts Continue Gathering Environmental Data.
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How much is that in Rhode Islands? Not enough ore to manufacture batteries for 40 Teslas, the approximate weight of the finished vehicles.
Ore
vs finished product?