The paper introduces the shaping method improvement and technological trial course of bottom cap of certain model of carrier rocket's fueltank.
介绍了某型号运载火箭二级燃料箱后底顶盖成形方法改进及工艺试验过程。
2
From the testing results of the improved parts, it can be concluded that the invalidation analyses of the fuel-tank locking cap are correct, and the improvements are also feasible.
通过对改进后的油箱锁紧盖进行的试验测试，证明了对该油箱锁紧盖失效原因的分析是正确的，改进方案可行。
3
Do not open the fueltankcap while the engine is running or when the engine is hot.