阿里安 5的固体助推器于 5月 1 6日在库鲁航天中心成功地进行了试验 ,有关的一系列改进措施得到了考验 ,为下一步提高火箭可靠性和降低生产成本打好了基础。这次试验的主要改进项目有 :a)在三段式 P2 30助推器的前段 S1增加 2 .4t燃料 ,该段在助推器工作的第 1阶段提供将近一半 Ariane 5 solid booster successfully tested on May 16 at the KULO Space Center and a series of improvements have been tested to lay a solid foundation for further improvements in rocket reliability and production cost reduction . The major improvements to this trial include: a) The addition of 2.4 tons of fuel to the front section S1 of the three-stage P2 30 booster, which provides nearly half of the booster work during phase 1