FIELD: ice-breaking jobs. SUBSTANCE: resonance flexural gravitational waves 3 are excited in ice 1 in hovering on air cushion 2. In the course of motion of ship, additional load on ice is created by rest of propellers 4 against ice which is achieved due to trimming the ship by bow. EFFECT: increased thickness of broken ice. 2 dwg
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|---|---|---|---|
| METHOD OF BREAKING ICE COVER | 2000 |
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