Sailing Britaly · video

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The Sear tankless dive system, a battery-powered surface air supply or hookah, offers a potential solution for hull cleaning and clearing fouled propellers on cruising sailboats.0:37 The unit features lithium batteries with a claimed five-hour runtime and a 12-meter depth limit, though the manufacturer’s depth rating exceeds recommended safety margins for casual use.0:42 Air delivery is limited to 56 liters per minute, which may restrict strenuous underwater activity.2:22 Potential safety risks include the lack of reserve air capacity in the event of pump or battery failure, and the danger of inhaling engine or generator exhaust fumes through the surface intake.3:27 The device is currently marketed through a crowdfunding campaign at a price point of $299.4:46 Storing the sealed unit on a 35-foot vessel like Britaly presents a challenge due to limited onboard space, and the non-removable battery pack prevents air travel.2:10

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