9CaKrnQhg8l作者:mil.huanqiu.comgallery波音西科斯基联手推出高速黑鹰/e3pmh1dm8/e3pn6f3oh1434509460000责编:徐璐明资料图143450946000011["9CaKrnQhg4H","9CaKrnQhfVQ","9CaKrnQhfI8","9CaKrnQhfmd","9CaKrnQhfiK","9CaKrnQhfeT"]{"gallery":{"members":[{"desc":" SB-1使用了西科斯基研制的高速推进系统,该系统使用同轴共桨旋翼,并在旋翼机尾部安装了推力螺旋桨。西科斯基公司已经在X2项目中验证了这种推进系统,其飞行速度超过了260节\r\n\r\n","url":"\/\/himg2.huanqiucdn.cn\/attachment2010\/2015\/0617\/20150617105247330.jpg"},{"desc":" SB-1的基础是X-2 复合构型直升机,依靠共轴对转刚性旋翼与推进式螺旋桨的组合实现远高于现役直升机的巡航速度。起降与悬停时,用于提供前飞推力的尾桨并不工作,也就消除了地面人员被飞速旋转的尾桨 “斩首” 之类的风险。巡航飞行时推进式螺旋桨得到尾部气动控制表面的保护,基本没有挂上异物的可能。\r\n\r\n","url":"\/\/himg2.huanqiucdn.cn\/attachment2010\/2015\/0617\/20150617105317608.jpg"},{"desc":" 由于尾桨与反扭力八杆子打不着,尾桨受损导致反扭力不平衡而失控坠机的情况亦不会出现。开放式螺旋桨比AVX方案的涵道式推进器效率更高,单轴推进也避免了一侧推进器损坏所可能造成的偏航力矩。SB-1显而易见难以设置尾门,但这对于 “黑鹰” 系列的继承者并非多么了不起的缺陷。\r\n\r\n","url":"\/\/himg2.huanqiucdn.cn\/attachment2010\/2015\/0617\/20150617105348268.jpg"},{"desc":"刚刚首飞的S-97 Raider是SB-1的缩小版,用以执行武装侦察任务。\r\n\r\n","url":"\/\/himg2.huanqiucdn.cn\/attachment2010\/2015\/0617\/20150617105418120.jpg"},{"desc":"\r\n","url":"\/\/himg2.huanqiucdn.cn\/attachment2010\/2015\/0617\/20150617105448521.jpg"},{"desc":"\r\n","url":"\/\/himg2.huanqiucdn.cn\/attachment2010\/2015\/0617\/20150617105518697.jpg"},{"desc":"\r\n","url":"\/\/himg2.huanqiucdn.cn\/attachment2010\/2015\/0617\/20150617105553271.jpg"},{"desc":"\r\n","url":"\/\/himg2.huanqiucdn.cn\/attachment2010\/2015\/0617\/20150617105623195.jpg"},{"desc":"\r\n","url":"\/\/himg2.huanqiucdn.cn\/attachment2010\/2015\/0617\/20150617105659759.jpg"},{"desc":"","url":"\/\/himg2.huanqiucdn.cn\/attachment2010\/2015\/0617\/20150617105729729.jpg"}]}}//himg2.huanqiucdn.cn/attachment2010/2015/0617/10/52/20150617105229330.jpg