1. Self-propelled shuttling steam, comprising a flat-bottomed boat or raft, or another float, coupled with the transverse rope (rope), the ends of which are fixed to opposite sides of the river (channel), characterized in that the steam across the width of the river and fixed by means of two traveling blocks rigidly mounted on the ferry at its opposite transoms, fitted with two vertically movable shield mounted via guide 45i 135k angle vector of the river (channel) and hinged to the free end of the fortified rocker arm having a support provided on the ferry between points strengthening panels, wherein the lower edge of a vertical panel disposed on the shore, periodically conjugate with ski installed in the water at an angle, e.g., 45 - 60b cross section of the river plane along the ramp of its bottom, with this guide means shield the conjugate from the ski, pushed upwards and the other - vniz.2 omitted. Steam according to claim 1, characterized in that the steam is fastened by means of extensions to one longitudinal end of the cable along the vector flow river, a second end which is fixedly secured at a distance of not less than a width of the river, and the panels are mounted at an angle of 45 - 60 & 135 - 150k vector of the river (canal) .3. Steam according to claim 1, characterized in that the steam is secured by guides with rollers resting on the guide rail formed on the floating or low water, including false, bridge, wherein at least one of the guides is associated with the layout of the trolley or tehniki.4 . Steam according to claims 1 - 3, characterized in that the free end of the rocker arm, located on the side bank, periodically conjugate
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