While stealth is a chief attribute, it is by no means the B-21’s only quality. What the Air Force, and the US military as a whole, have been working to build is a powerful, distributed network of long-range sensors and strike platforms that transmit and share vast amounts of data about the enemy they are fighting.
The B-21 fits into this new strategy network perfectly, able to gather intelligence about a potential enemy or area and to carry out a strike. In other words, it can gather and relay information to friendly aircraft, satellites, radars and more, and it is also an offensive weapon, able to destroy targets within its range.
Long-range strikes may be its primary mission but the B-21 bomber will be able to gather and share intelligence, helping direct its own fleet of weapons that can in turn destroy multiple targets. In short, its “brain” is its most valuable asset and the use of open-source software will allow the aircraft to be easily upgraded – ensuring it remains flexible and cutting-edge while seriously extending its useful life.
The aircraft can be flown in a manned and unmanned configuration and its internal weapons bays will allow it to carry the latest long-range stealth missiles like the JASSM (Joint Air to Surface Stand-off Missile) as well as other conventional and nuclear payloads.
The B-21 is designed to be a more capable and adaptable, state-of-the-art aircraft that will gradually replace aging B-1 Lancer and B-2 Spirit bombers now in service.
B-2“幽灵”(Spirit)是目前世界上最先进的战略轰炸机,也是唯一的大型隐身飞机。武器装备:两个内置武器舱内的旋转式发射架一共可带16枚SRAMⅡ短距攻击导弹或AGM-129先进巡航导弹以及各种核弹或常规炸弹。
尺寸数据:翼展52.43米,机长21.03米,机高5.18米。
重量数据:空重45360-49900千克,最大起飞重量168430千克,最大武器载荷22680千克。
性能数据:B-2“幽灵”(Spirit)战略轰炸机机组人员2名,巡航速度M0.8(高度12200米),实用升限15000米
飞机在空中不加油的情况下,作战航程可达1.2万千米,空中加油一次则可达1.8万千米。每次执行任务的空中飞行时间一般不少于10小时,美国空军称其具有“全球到达”和“全球摧毁”能力。
下面是B21的
2007年5月,美国空军公布了“2018年轰炸机”的主要性能,包括能装载6.4~12.8吨武器,具备亚声速飞行能力,作战半径不低于3200公里,具有全方位隐身能力,且能够携带常规及核武器,可以选择有人或无人驾驶。
https://www.space.com/air-force-b-21-raider-stealth-bomber-unveiling
https://www.aljazeera.com/news/2022/12/1/what-we-know-about-new-us-b-21-stealth-bomber-first-in-30-years
What’s new?While stealth is a chief attribute, it is by no means the B-21’s only quality. What the Air Force, and the US military as a whole, have been working to build is a powerful, distributed network of long-range sensors and strike platforms that transmit and share vast amounts of data about the enemy they are fighting.
The B-21 fits into this new strategy network perfectly, able to gather intelligence about a potential enemy or area and to carry out a strike. In other words, it can gather and relay information to friendly aircraft, satellites, radars and more, and it is also an offensive weapon, able to destroy targets within its range.
Long-range strikes may be its primary mission but the B-21 bomber will be able to gather and share intelligence, helping direct its own fleet of weapons that can in turn destroy multiple targets. In short, its “brain” is its most valuable asset and the use of open-source software will allow the aircraft to be easily upgraded – ensuring it remains flexible and cutting-edge while seriously extending its useful life.
The aircraft can be flown in a manned and unmanned configuration and its internal weapons bays will allow it to carry the latest long-range stealth missiles like the JASSM (Joint Air to Surface Stand-off Missile) as well as other conventional and nuclear payloads.
JASSM B1/B2也可以挂载。应该是国防供应商想把已经在F-35上应用的技术装在B-21上打包卖给五角大楼而已
https://www.af.mil/News/Article-Display/Article/3235250/b-21-raider-makes-public-debut-will-become-backbone-of-air-forces-bomber-fleet/#:~:text=The%20B%2D21%20is%20designed,Spirit%20bombers%20now%20in%20service.
The B-21 is designed to be a more capable and adaptable, state-of-the-art aircraft that will gradually replace aging B-1 Lancer and B-2 Spirit bombers now in service.
小型飞翼不难,线控空战航模就是小型飞翼,非常简单。大比例的遥控涡喷或者函道风扇B2航模也不贵(相比其他同尺寸同类型的航模),飞起来也可以像那么回事。但要放大成B2那种级别的,就难以保证飞行稳定性。诺斯罗普摔了50年的飞翼才摔出来B2。中国想白菜化那是做梦。能在2030年前不计成本地飞上天就不错了。
B21要么油尽坠毁,要么冒险在对方导弹射程内的基地降落加油。如果在加满油起飞之前被对方侦察卫星发现(雷达隐身但对可见光和红外线侦查卫星可不隐身)导弹冲着机场飞过来咋整?国防供应商当然希望军方把B2全退役都买B21,但做决定的军方会考虑到各种战术想定,加油机既不隐身又慢机动性差,谁能保证一定不会被对方隐身战机偷袭?我相信不会草率决定把B2全退役的。还有如万一和俄打核战,B2可以直接从美国本土起飞攻俄,B21就没这个能力。如果欧洲盟国各机场都在核打击中被毁加油机也起飞不了,B21就只能隔岸观火,如果那时B1/B2都退役了,空基核力量就是B21,那空基等于废了,只能依赖三叉戟核潜艇报复了(美国陆基的民兵3都是地井发射,肯定首次打击会先被光顾的)
人家摔了50年,用鲜血生命和无数美元砸出来的。没诺斯罗普参与,格鲁曼也搞不出B21。
高端武器从来没有白菜一说。