蚱蜢火箭

蚱蜢火箭（Grasshopper）或称草蜢火箭，是SpaceX公司开发的一种可回收的小型火箭。它同猎鹰9号火箭一样使用了默林火箭发动机。

其主要用途是测试猎鹰9号的回收模式以及通过飞行实验来收集数据。

飞行测试

序号 #	日期	高度	持续时间	备注
1	2012-09-21^[1]	6英尺（1.8米）^[1]	3秒^[1]
2	2012-11-01^[2]	17.7英尺（5.4米）^[2]	8秒^[2]
3	2012-12-17^[3]	131英尺（40米）^[3]	29秒^[3]	第一次带有假人的飞行
4	2013-03-07^[4]	262英尺（80米）^[5]	34秒^[5]	推重比大于1^[6]
5	2013-04-17^[7]	820英尺（250米）^[7]	未知	演示了抗风能力^[8]
6	2013-06-14^[9]	1,066英尺（325米）^[9]	68秒^[10]	^[11]
7	2013-08-13^[12]	820英尺（250米）^[12]	约70秒^[13]	返回发射台之前侧移了330英尺（100米）^[12]
8	2013-10-07^[14]	2,441英尺（744米）^[15]	约80秒	计划中最后一次 Grasshopper v1.0 的测试^[16]

来源

^ ^1.0 ^1.1 ^1.2 Clark, Stephen. SpaceX's reusable rocket testbed takes first hop. Spaceflightnow. 2012-09-24 [2012-09-25]. （原始内容存档于2019-05-09）.
^ ^2.0 ^2.1 ^2.2 Grasshopper Two-Story Hop 11/1/12. SpaceX. 5 November 2012 [6 November 2012]. （原始内容存档于2021-02-14）.
^ ^3.0 ^3.1 ^3.2 Grasshopper hops ever higher. NewSpace Journal. 24 December 2012 [25 December 2012]. （原始内容存档于2013-05-02）.
^ FAA Permitted Launches. Federal Aviation Administration. 8 March 2013 [9 March 2013]. （原始内容存档于2013-03-06）.
^ ^5.0 ^5.1 More on Grasshopper’s "Johnny Cash hover slam" test. NewSpace Journal. 9 March 2013 [9 March 2013]. （原始内容存档于2013-05-02）.
^ GRASSHOPPER COMPLETES HIGHEST LEAP TO DATE. 10 March 2013 [2013-08-26]. （原始内容存档于2013-05-02）.
^ ^7.0 ^7.1 Lindsey, Clark. SpaceX Grasshopper reaches 250 meters. NewSpace Watch. 2013-04-13 [2013-04-23]. （原始内容存档于2013-04-29）.
^ Elon Musk's twitter. 22 April 2013 [2013-08-26]. （原始内容存档于2013-09-21）.
^ ^9.0 ^9.1 Bergin, Chris. Testing times for SpaceX’s new Falcon 9 v.1.1. NASASpaceFlight (not affliated with NASA). 2013-06-14 [15 June 2013]. （原始内容存档于2013-07-10）.
^ Bergin, Chris. Reducing risk via ground testing is a recipe for SpaceX success. NASASpaceFlight (not affliated with NASA). 20 June 2013 [21 June 2013]. （原始内容存档于2015-08-01）.
^ Launch Report, accessed 15 July 2013.. [2013-08-26]. （原始内容存档于2020-06-10）.
^ ^12.0 ^12.1 ^12.2 Boyle, Alan. SpaceX's Grasshopper test rocket flies sideways successfully. NBC News. 2013-07 [2013-08-15]. （原始内容存档于2013-08-17）.
^ 视频: Space X蚱蜢火箭试射. MichaelGuo1217. [2013-7]. （原始内容存档于2019-12-01）.
^ SpaceX's Grasshopper flight on 10/07. [2013-10-20]. （原始内容存档于2013-10-26）.
^ Grasshopper 744m Test – Single Camera (Hexacopter). SpaceX Youtube channel. 2013-10-12 [2013-10-20]. （原始内容存档于2022-04-30）.
^ Grasshopper flies to its highest height to date. Social media information release. SpaceX. 12 October 2013 [14 October 2013]. （原始内容存档于2016-01-17）. WATCH: Grasshopper flies to its highest height to date - 744 m (2441 ft) into the Texas sky. http://youtu.be/9ZDkItO-0a4 This was the last scheduled test for the Grasshopper rig; next up will be low altitude tests of the Falcon 9 Reusable (F9R) development vehicle in Texas followed by high altitude testing in New Mexico.

[sfn20120924-1] 1.0 ^1.1 ^1.2 Clark, Stephen. SpaceX's reusable rocket testbed takes first hop. Spaceflightnow. 2012-09-24 [2012-09-25]. （原始内容存档于2019-05-09）.

[S1Nov2012-2] 2.0 ^2.1 ^2.2 Grasshopper Two-Story Hop 11/1/12. SpaceX. 5 November 2012 [6 November 2012]. （原始内容存档于2021-02-14）.

[nsj20121224-3] 3.0 ^3.1 ^3.2 Grasshopper hops ever higher. NewSpace Journal. 24 December 2012 [25 December 2012]. （原始内容存档于2013-05-02）.

[faa20130307-4] FAA Permitted Launches. Federal Aviation Administration. 8 March 2013 [9 March 2013]. （原始内容存档于2013-03-06）.

[nsj20130309-5] 5.0 ^5.1 More on Grasshopper’s "Johnny Cash hover slam" test. NewSpace Journal. 9 March 2013 [9 March 2013]. （原始内容存档于2013-05-02）.

[6] GRASSHOPPER COMPLETES HIGHEST LEAP TO DATE. 10 March 2013 [2013-08-26]. （原始内容存档于2013-05-02）.

[nsw20130423-7] 7.0 ^7.1 Lindsey, Clark. SpaceX Grasshopper reaches 250 meters. NewSpace Watch. 2013-04-13 [2013-04-23]. （原始内容存档于2013-04-29）.

[8] Elon Musk's twitter. 22 April 2013 [2013-08-26]. （原始内容存档于2013-09-21）.

[BerginJune2013-9] 9.0 ^9.1 Bergin, Chris. Testing times for SpaceX’s new Falcon 9 v.1.1. NASASpaceFlight (not affliated with NASA). 2013-06-14 [15 June 2013]. （原始内容存档于2013-07-10）.

[10] Bergin, Chris. Reducing risk via ground testing is a recipe for SpaceX success. NASASpaceFlight (not affliated with NASA). 20 June 2013 [21 June 2013]. （原始内容存档于2015-08-01）.

[11] Launch Report, accessed 15 July 2013.. [2013-08-26]. （原始内容存档于2020-06-10）.

[nbc20130814-12] 12.0 ^12.1 ^12.2 Boyle, Alan. SpaceX's Grasshopper test rocket flies sideways successfully. NBC News. 2013-07 [2013-08-15]. （原始内容存档于2013-08-17）.

[13] 视频: Space X蚱蜢火箭试射. MichaelGuo1217. [2013-7]. （原始内容存档于2019-12-01）.

[twitter20131007-14] SpaceX's Grasshopper flight on 10/07. [2013-10-20]. （原始内容存档于2013-10-26）.

[15] Grasshopper 744m Test – Single Camera (Hexacopter). SpaceX Youtube channel. 2013-10-12 [2013-10-20]. （原始内容存档于2022-04-30）.

[sx20131012fb-16] Grasshopper flies to its highest height to date. Social media information release. SpaceX. 12 October 2013 [14 October 2013]. （原始内容存档于2016-01-17）. WATCH: Grasshopper flies to its highest height to date - 744 m (2441 ft) into the Texas sky. http://youtu.be/9ZDkItO-0a4 This was the last scheduled test for the Grasshopper rig; next up will be low altitude tests of the Falcon 9 Reusable (F9R) development vehicle in Texas followed by high altitude testing in New Mexico.

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