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今年8月20日,我国运载能力最大的新型捆绑式运载火箭长征——3B,成功地把菲律宾“马部海”卫星送入了预定轨道,这是我国用长征系列火箭发射的第十一颗外国卫星,同时这也表明长征系列火箭具备了能把5吨的有效载荷送入倾角28.5°的地球同步转移轨道的能力,大大提高了长征系列火箭在国际卫星发射市场的身价。随着航天技术应用的不断扩大,世界各航天大国在高利润与高风险并存的商用运载火箭市场上的竞争日益激烈,研制火箭的国家和厂商越来越多,火箭更新换代的速度也越来越快。系列化、多样化和大型化已成为各国运载火箭发展的共同模式,而在火箭技术成熟和具有竞争力之后,逐渐民营化、商业化和争取最大的经济利益
On August 20th this year, the 3B, the new long-term carrier rocket carrier with the largest carrying capacity in China, successfully sent the Philippines’ Mabuhai satellite into the scheduled orbit. This is the 10th launch of China’s Long March rocket series. A foreign satellite also shows that the Long March series rockets have the ability to send 5 tons of payload into geosynchronous transfer orbits at an inclination of 28.5°, which greatly increases the value of the Long March series rockets in the international satellite launch market. With the continuous expansion of aerospace applications, the world’s aerospace giants have become increasingly competitive in the market of high-profit and high-risk commercial carrier rockets. More and more countries and manufacturers have developed rockets, and the speed of rocket replacement has also increased. The faster. Serialization, diversification, and large-scale development have become common models for the development of carrier rockets in various countries. After the mature and competitive rocket technology, privatization, commercialization, and maximization of economic benefits are gradually achieved.