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2004年10月28日备受关注的俄罗斯最新型拉达级常规动力潜艇终于建成下水,命名为“圣彼得堡”号。它自1997年12月开工以来,由于资金困难,工程进度十分迟缓,用了近7年时间才完工,预计将于2005年下半年服役。该舰水下排水量2650吨,全长68米,宽702米,吃水4.4米,采用柴电动力,单轴输出,最大功率4.101兆瓦,水下最高速度21节,装有6座533毫米鱼雷发射管。该级的出口型称为阿穆尔650级。印度对它表示了浓厚的兴趣。↑下水前摆放在船台上的“圣彼得堡”号。艇艏下部安装有巨大的声呐基阵,可以看出这部分的船壳与艇体其他部分有较大的区别,艇身上敷设有隔音瓦,以减小水下噪音。↓“圣彼得堡”号艇艉的照片。从照片中可以看到7叶大倾角螺旋桨,每片桨叶上都开有淘槽,能更有效地减少噪音。
On October 28, 2004, the latest Russian Rada-class conventional submarine, which attracted much attention, was finally launched into the water and named it “Saint-Petersburg”. Since its commencement in December 1997, due to funding difficulties, the construction progress has been very slow and took nearly seven years to complete. It is expected to be commissioned in the second half of 2005. The ship 2650 tons of underwater displacement, a total length of 68 meters, 702 meters wide and 4.4 meters draft, the use of diesel electric power, single-axis output, the maximum power of 4.101 MW, the maximum underwater speed of 21 knots, equipped with six 533 mm torpedoes Launch tube. This level of export known as the Amur 650 level. India expressed its strong interest in it. ↑ placed on the slipway before the “St. Petersburg” number. The bottom of the hull is equipped with a huge array of sonar, you can see this part of the hull and the rest of the hull have a greater distinction, the laying of the boat body with acoustic tiles to reduce underwater noise. ↓ “St. Petersburg ” boat 艉 photos. From the photos, you can see the 7-blade large-angle propeller. Each blade has an amout which can reduce the noise more effectively.