FIELD: ice-breaking jobs. SUBSTANCE: submarine vessel 2 excites resonance flexural gravitational waves 3 in ice 1 during her motion at resonance speed. After excitation of resonance flexural gravitational waves 3, ship's speed is reduced and at the moment when first wave crest 4 reaches conning tower 5, planes 6 are turned to vertical position and speed of vessel 2 is increased to resonance level. EFFECT: enhanced efficiency. 1 dwg
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