Moreover, since there are two independent piston tanks belonging to a system, a double safety factor exists.Ī further considerable advantage is the system's insensitivity to pollution.
Within this operating range, only a slight demand is placed on the system, resulting in a very minimal use of electricity and yielding a high level of operational safety. The discharge pressure is sufficient for a diving depth of more than 20 meters and is therefore 10 times higher than is required for the normal operating depth of approximately 2 metres. In addition, diving systems with AutoTrim (type TA) allow simple "over trimming" which makes it possible to ground the model (park mode), whereby this position is limited in relation to the capacity of the receiver battery.Ī decisive advantage of this diving technology is its highly reliable performance. The relatively sizable volume of each piston tank causes a high level of buoyancy which, among other things, offers the advantage of a model being able to, for example, tear itself away with its own strength if it should become entangled with water plants and is subsequently able to resurface undamaged.įurthermore, the large volume also allows for the mounting of mock-ups (such as a sea monster, shark fin or similar) or other auxiliary systems (e.g. In addition, piston tanks with a single volume of 250 ml to 1000 ml can be manufactured at the customer's request. For models with larger displacement, the 825 System with a total volume of 1.65 litres (2 piston tanks with 825 ml each) is available (only available as TA version). The 750 System with 1.5 litres of total volume (consisting of 2 piston tanks with 750 ml each) is generally adequate for lifting models of up to 2 metres in length out of the water up to the waterline, so that an original looking image can be achieved.įor smaller models, the 500 System with 1 litre of total volume (consisting of 2 piston tanks with 500 ml each) is appropriate. By adjusting the piston in the cylinder, the water is sucked in or discharged, whereby the electric drive allows for a sensitive metering of the water quantity (filling volume). The pump mechanism and the ballast tank form a compact unit, the so-called piston tank, often also simply referred to as ballast tank.Ī piston tank consists of a cylinder, a piston, a piston rod with thread, a motor with gears, levers as well as multiple end switches. It enables model U-boats (submarines) to use the static diving method up to a depth of 10 metres. Engel Diving Systems are based on an operational principle that has already existed since 1850.
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