Abstract
When launching a ship from a longitudinal inclined slipway, the third period is the most dangerous. There can take place capsizing or lifting, and large concerted forces occur in the bow of the hull, i.e. the pivoting pressure. By the example of a particular ship there has been studied a new method of launching on pneumatic cylinders preventing ship capsizing. It implies the ship movement along the slipway into the water on special rotating pneumatic cylinders. The calculation of the ship launch on the conventional launching device and on pneumatic cylinders was performed. For both cases the English launching curve was built. According to the obtained results, the comparative analysis was conducted. It showed that when launching a ship on pneumatic cylinders, the lifting occurs earlier and there is neither capsizing, nor jump. However, the additional buoyancy of cylinders increases the pivoting pressure. Such studies are carried out for the first time ever.
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