A SMALL POWER TOOL THAT’S PACKING A BIG PUNCH

We have featured power drills on Yanko Design in the past, but this particular drill is very different! This is primarily because of the tough environment that it is intended to be used in… water.

The introduction of water brings a plethora of possible issues that must be considered, such as the water pressure that increases with depth, the long airline that comes from the overhead compressor which reduces movement and freedom, and the dust dispersion drastically reduces visibility.

Designer Alander Kalua has created a drill that vastly increases the ease of use, so much so it allows the product to be used in a domestic environment! Its standout feature is a turbine that’s mounted at the rear, not only does the water flow cool the motor, but it also pulls through dust, allowing much improved visibility. The bold, contrasting colors make Nautilus easy to see underwater while also making it rather exciting to look at!

Designer: Alexander Kaula

Another advantage of the cordless drill is the ratio of the current from the battery to the tool by induction. This works by means of two induction coils, which are located both in the plastic housing of the battery and in the outer casing of the drill. In order to bridge the shortest possible distance, these are already integrated during the injection moulding process. This proximity allows relatively small coils to be used. Current is conducted into the coil of the battery, which generates a magnetic field which is located between the two coils. The current fed in is thus transformed into the magnetic field. The second coil then converts the energy back into current through the magnetic field and conducts it into the mains of the cordless drill. This prevents open contacts from starting to rust and creates an additional seam which can become leaky. To counteract water pressure at depths of up to 50 metres, the inner shell of the engine block is provided with an increased air pressure. The battery housing is designed to accommodate standard AA batteries. The remaining body volume is used as a pressure vessel. When charging the accumulator, compressed air is supplied again via a valve. When connected to the cordless screwdriver, this is released into the inner cover and thus ensures constantly optimal pressure conditions in the device.

 

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