Abstract: A Conceptal idea of an aerospace plane with solid rocket engines in parallel as booster of first and second stages is presented in present p.aper.A practical example with payload of 7 tons is evaluated. On the basis of more detailed analysis, verified is that the idea is very feasible.

Key words: Aerospace plane;Space shuttle booster;Solid rocket engine

摘要： 文章提出了一种固体火箭发动机作为助推级,二级并联配置的空天飞机方案设想。并针对7t有效载荷的设想,进行了总体性能估算;对固体火箭助推器进行了较详细的分析,证明方案是可行的。

关键词: 航空航天飞机;航天飞机助推器;固体火箭发动机