FIELD: aquatic sports; units for ballasting and balancing the submariner.
SUBSTANCE: proposed unit has hollow metal or plastic cylinder with scale of readings of positive or negative buoyancy, ballast, round float and stainless steel sectional pipe-upright with two cross-pieces for underwater swimmer. Secured in center of lower end face of cylinder is round block with hooks for securing the swimmer's outfit having negative buoyancy and for net with outfit having positive buoyancy and air reservoirs. Pipe-upright is screwed into said block and is held by nut. Ballast is made in form of lead poured filling the pipe; its mass ensures position of middle of vertical of said cylinder and zero mark of scale at water and air media interface. Round float has hole with beveled upper edge for fitting it on cylinder at spaced relation. Float may be ballasted by water admitted to it till lower end of beveled edge takes the position against zero mark of scale.
EFFECT: enhanced accuracy of determination of underwater swimmer buoyancy.
2 cl, 1 dwg
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