正在加载视频...
视频加载失败
On October 12, 1964, during its third test flight—and first, 20min sustained supersonic run—the XB-70 Valkyrie lost approximately 15% to 25% of its white paint, which peeled off in large patches. The, aerodynamic friction caused temperatures to exceed the paint's bonding capabilities, exposing the stainless steel skin. To resolve... show more
0 条评论
暂无评论
原始帖子的评论将显示在这里

