| 摘要 |
PROBLEM TO BE SOLVED: To prevent an accident in which a player is injured, at worst, dies in a collision, by providing a safety measure on a bow of a racing boat sailing at a high speed in a motorboat race course and preventing a following race boat from colliding with a player falling in the water caused by overturning of the racing boat and losing of its balance. SOLUTION: In this racing boat, a first air hole 12b having the required diameter is provided near the tip of a center line on the cowling surface of the racing boat, a second air hole 10b having the diameter (for example, 8 cm) larger than it is provided slightly close to one side from a deck center line of a deck of the race boat and behind the first air hole 12b, and a warning color is coated on the bottom surface of a boat main body. When the race boat is stalled and overturned by losing its balance, air is extracted from the racing boat through the first and second air holes, water is introduced to them, a stern and an outboard engine are quickly pulled in the water, and the race boat main body is erected on the racing water level in the projecting state. Therefore, the overturned ship can be easily seen from a distance by the other boat sailing at a high speed, a collision can be easily avoided, and a double accident is prevented.
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