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[美国] Falcon 9 • Crew Dragon DEMO-1 • 载人龙首次无人测试飞行

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发表于 2019-2-18 11:32:10 | 显示全部楼层 |阅读模式


地点:肯尼迪航天中心LC-39A发射台
火箭:Falcon 9 Block5
载荷:载人龙飞船(Crew Dragon)
重量:>7.7吨,亦有消息称超过10吨。
客户:NASA
轨道:LEO,ISS(400 x 400 km, 51.64°)
箭体:B1051.1
回收方式:海上回收,很奇怪是吧?但的确是海上回收。


简介:(引自Lsquirrel的发言)
英文原文地址出自:
https://www.faa.gov/about/office ... on-Gulf-Landing.pdf
龙2空重16976磅/7.7吨
Dragon-2 weighs
approximately 16,976 pounds without cargo, with a height of approximately 2,317 feet (including the
trunk) and a base width of 13 feet. Each pair of SuperDraco engines (eight total engines) are mounted to
a monolithic aluminum bracket. This bracket is connected to the pressure vessel with three mounts in a
minimally constrained fashion.
龙2装有16台龙和8台超龙发动机
There are 18 Draco RCS engines and 8 SuperDraco LAS engines
(two in each for the four modules) on the Dragon-1. There are 16 Draco RCS engines and 8 SuperDraco
LAS engines (two in each of the four modules) on Dragon-2.
龙2最多装有4885磅/2.2吨推进剂,其中包括3004磅/1363千克NTO和1881磅/853千克的MMH
The Dragon-2
could contain up to 4,885 pounds of propellant which includes 3,004 pounds of NTO and 1,881 pounds
of MMH.
龙和龙2的典型重量在19840和33070磅之间(9吨到15吨),载人和货运龙2的重量区别不大
Dragon would typically weigh between 19,840 and 33,070 pounds
based on the mission specific profile. Dragon-2 would also have the capability of returning astronauts to
Earth. The weight differential between a cargo and crew mission would be negligible
后续首发乘员组相关讯息参见:【原创文章】美国新一代近地载人飞船首飞成员组
详细的进展和更新情况详见:载人龙飞船进展汇总跟踪

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发表于 2019-2-19 14:57:42 | 显示全部楼层
二代龙飞船还没有一代龙飞船的发动机数量多
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发表于 2019-2-21 09:56:02 | 显示全部楼层
VIfun 发表于 2019-2-19 14:57
二代龙飞船还没有一代龙飞船的发动机数量多

多,Draco数量差不多,SuperDraco多8台。

NASA公布了发射礼时序:
NASA will provide coverage of the upcoming prelaunch and launch activities for the SpaceX Demo-1 flight test to the International Space Station for the agency’s Commercial Crew Program, which is working with the U.S. aerospace industry to launch astronauts on American rockets and spacecraft from American soil for the first time since 2011.

NASA and SpaceX are targeting 2:48 a.m. EST Saturday, March 2, for the launch of the company’s uncrewed Demo-1 flight, which will be the first time a commercially built and operated American rocket and spacecraft designed for humans will launch to the space station. The launch, as well as other activities leading up to the launch, will air on NASA Television and the agency’s website.

The SpaceX Crew Dragon spacecraft will launch on a Falcon 9 rocket from historic Launch Complex 39A at NASA’s Kennedy Space Center in Florida. The Crew Dragon is scheduled to dock to the space station at approximately 5:55 a.m. Sunday, March 3.

This will be the first uncrewed flight test of NASA’s Commercial Crew Program and will provide data on the performance of the Falcon 9 rocket, Crew Dragon spacecraft and ground systems, as well as in-orbit, docking and landing operations.

The flight test also will provide valuable data toward NASA certifying SpaceX’s crew transportation system for carrying astronauts to and from the space station. SpaceX’s Demo-2 test flight, which will fly NASA astronauts to the space station, is targeted to launch in July.

Following each flight, NASA will review performance data to ensure each upcoming mission is as safe as possible. After completion of all test flights, NASA will continue its review of the systems and flight data for certification ahead of the start of regular crewed flights to the space station.

Full Demo-1 coverage is as follows. All times are EST:

Friday, Feb. 22
  • (no earlier than) 6 p.m. – Post-flight readiness review briefing at Kennedy, with the following representatives:
    • William Gerstenmaier, associate administrator, NASA Human Exploration and Operations
    • Kathy Lueders, manager, NASA Commercial Crew Program
    • Kirk Shireman, manager, International Space Station Program
    • Hans Koenigsmann, vice president, Build and Flight Reliability, SpaceX
    • Astronaut Office representative


Thursday, Feb. 28
  • TBD – Pre-launch briefing at Kennedy, with the following representatives:
    • Kathy Lueders, manager, NASA Commercial Crew Program
    • Kirk Shireman, manager, International Space Station Program
    • SpaceX representative
    • Astronaut Office representative


Saturday, March 2
  • 2 a.m. – NASA TV launch coverage begins for the 2:48 a.m. liftoff
  • 5 a.m. – Post-launch news conference at Kennedy, with the following representatives:
    • Steve Stich, NASA launch manager, NASA Commercial Crew Program
    • Kirk Shireman, manager, International Space Station Program
    • SpaceX representative
    • Astronaut Office representative


Sunday, March 3
  • 3:30 a.m. – Rendezvous and docking coverage
  • 8:45 a.m. – Hatch opening coverage
  • 10:30 a.m. – Station crew welcoming ceremony

Friday, March 8
  • 12:15 a.m. – Hatch closing coverage begins
  • 2:30 a.m. – Undocking coverage begins
  • 7:30 a.m. – Deorbit and landing coverage
  • TBD – Post-landing briefing on NASA TV, location TBD, with the following representatives:
    • Steve Stich, deputy manager, NASA Commercial Crew Program
    • International Space Station Program representative
    • SpaceX representative
    • Astronaut Office representative


The deadline for media to apply for accreditation for this launch has passed, but more information about media accreditation is available by emailing ksc-media-accreditat@mail.nasa.gov.

For more information on event coverage, got to:


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发表于 2019-2-21 09:56:18 | 显示全部楼层

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发表于 2019-2-24 20:14:57 | 显示全部楼层
这个一级要海上回收是出于什么考虑?是NASA的要求还是别的?
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发表于 2019-2-25 21:19:13 | 显示全部楼层
yueyuxuelian 发表于 2019-2-24 20:14
这个一级要海上回收是出于什么考虑?是NASA的要求还是别的?

估计是留足安全余量吧
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发表于 2019-2-25 21:48:33 | 显示全部楼层
赫菲斯托斯 发表于 2019-2-25 21:19
估计是留足安全余量吧

我也认为是留足余量,据说以后任务是返回陆地的,这次估计是NASA的特殊要求,真是难伺候。
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发表于 2019-2-26 09:05:37 | 显示全部楼层
大咕咕鸡 发表于 2019-2-25 21:48
我也认为是留足余量,据说以后任务是返回陆地的,这次估计是NASA的特殊要求,真是难伺候。 ...

没办法,人家是甲方。。。。
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发表于 2019-2-28 09:11:52 | 显示全部楼层
yueyuxuelian 发表于 2019-2-26 09:05
没办法,人家是甲方。。。。

而且是祖宗级别的甲方,如果没有当年NASA的龙船订单,SpaceX还存不存在都两说。以后很多高价值探测器还要指望施舍呢,所以甲方爸爸咋说咋是吧,总比USAF不让回收要强。
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发表于 2019-2-28 16:03:11 | 显示全部楼层
大咕咕鸡 发表于 2019-2-28 09:11
而且是祖宗级别的甲方,如果没有当年NASA的龙船订单,SpaceX还存不存在都两说。以后很多高价值探测器还要 ...

军方要求高一些也是正常的,可理解的。。。
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发表于 2019-2-28 22:04:05 | 显示全部楼层
yueyuxuelian 发表于 2019-2-28 16:03
军方要求高一些也是正常的,可理解的。。。

使用一枚完整的一级和一个不带发动机与GNC的二级进行in-flight abort test,在Max-Q附近火箭将接受指令关机,Dragon 2检测到推力终止后自动逃逸,火箭在气动力作用下解体

另外火箭会多携带液氧以减少煤油对海面的污染
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发表于 2019-3-1 08:45:50 | 显示全部楼层
跆拳道大灰狼 发表于 2019-2-28 22:04
使用一枚完整的一级和一个不带发动机与GNC的二级进行in-flight abort test,在Max-Q附近火箭将接受指令关 ...

你说的是载人飞行前、demo-1后的任务吗?我朝载人有没有这么玩过?
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发表于 2019-3-1 08:55:05 | 显示全部楼层
任务徽章

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发表于 2019-3-1 08:56:22 | 显示全部楼层
yueyuxuelian 发表于 2019-3-1 08:45
你说的是载人飞行前、demo-1后的任务吗?我朝载人有没有这么玩过?

没有,国际上逃逸试验大多是单独找一个小火箭来做,用来试验的火箭试验过程中就会被摧毁。
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发表于 2019-3-1 10:35:37 | 显示全部楼层
图片来了,期待许久,龙2终于要走起了。





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