We’ve got cars, motorcycles and bicycles that are electric, so why not hookah air pumps for diving? They make much less noise than their gas and diesel-powered counterparts, they don’t stink up their surroundings with toxic fumes, and they don’t emit carbon. Of course, as is the case with many other e-things, the electricity that powers them has to come from somewhere, and chances are that somewhere isn’t a wind turbine or a solar panel. A new diving system from Brownie’s Marine Group, however, has another ace up its sleeve - a variable-speed compressor that automatically adjusts in accordance to the diver’s demand for air, thus saving power and allowing for longer and/or deeper dives when running off a battery.
Read the full article: Variable-speed electric diving pump supplies air according to demand