印度空间研究组织成功测试了升级的SSLV第三阶段,提高了有效载荷能力并支持更快、更高效的发射。 ISRO successfully tested an upgraded SSLV third stage, enhancing payload capacity and supporting faster, more efficient launches.

印度空间研究组织于2025年12月31日在斯里哈里科塔成功完成了对其小型卫星运载火箭(SSLV)升级的第三阶段进行108秒静态试验。 ISRO successfully completed a 108-second static test of an upgraded third stage for its Small Satellite Launch Vehicle (SSLV) on December 31, 2025, at Sriharikota. 测试验证了一种更轻的碳环氧电机外,提高了90公斤的有效载荷能力,以及改进的组件,包括单体复合材料外和耐故障的执行系统. The test validated a lighter carbon-epoxy motor case, boosting payload capacity by 90 kg, along with improved components including a monolithic composite case and fault-tolerant actuation system. 这项进展支持ISRO的目标,即可快速,按需发射, 时间短. The advancement supports ISRO’s goal of rapid, on-demand launches with short turnaround. 测试标志着印度在扩大固体发动机生产能力,包括新设施和世界领先的10吨垂直混音器方面取得进展。 The test marks progress in India’s expanded solid motor production capacity, including new facilities and a world-leading 10-tonne vertical mixer.