非火箭航天发射

非火箭航天发射是一种部分或全部的采用火箭发动机外的其他推进方式的航天发射方式。如在火箭橇发射或空中发射中，在通过其他手段获得初始速度或高度后，火箭才被应用。

比较
+非火箭航天发射方法对比新系统的初始设定 方法(a) 发表时间 估计造价10亿美元(b) 负载大小千克 估计近地轨道发射花费美元/每公斤(b) 吞吐量吨/每年 技術就緒指數 一般火箭       118,000  3273  ~   太空电梯  2004  -40  +  -400    2-4 極音速天鉤"The Hypersonic Skyhook," Analog Science Fiction/Science Fact, Vol. 113, No. 11, September 1993, pp. 60-70.  1993  <1(c)   (d)    (e)   太空纜索"A Non-Synchronous Orbital Skyhook," Hans P. Moravec, Journal of the Astronautical Sciences, Vol. 25, Oct-Dec 1977  1977          HASTOLPaper, AIAA 00-3615 "Design and Simulation of Tether Facilities for HASTOL Architecture" R. Hoyt, 17-19 Jul 00.,Paper, NIAC 3rd Ann. Mtg, NIAC Subcontract No. 07600-040, “Hypersonic Airplane Space Tether Orbital Launch – HASTOL”, John E. Grant, 6 Jun 01. 2000   (f)       太空噴泉           + 軌道環"Orbital Ring Systems and Jacob's Ladders - I-III"  Note: in 1980s money   1980      <0.05    发射环Launch Loop slides for the ISDC2002 conference  (小)  1985           + 发射环 (大)  1985           + KITE LauncherJohansen, US Patent #6913224, Method and system for accelerating an object, 5 Jul 05  2005       星际列车    20(g) 35,000       質量投射器            Ram accelerator  2004      <500     太空槍"Quicklaunch Inc."   1865(h)  0.5  450  500     Slingatron              太空飛機  1992  -15                     up to 4
(a)  References in this column apply to entire row unless specifically replaced
(b)  All monetary values in un-inflated dollars based on reference publication date except as noted
(c)  CY2008 estimate from description in 1993 reference system
(d)  Requires first stage to ~5 km/s
(e)  Subject to very rapid increase via bootstrapping
(f)  Requires Boeing proposed DF-9 vehicle first stage to ~4 km/s
(g)  Based on Gen-1 reference design, 2010 version
(h)  Jules Verne's novel, From the Earth to the Moon. Newton's cannonball in the 1728 book A Treatise of the System of the World was considered a thought experiment.vectorsite.net > [4.0 Space Guns]  v1.1.4 / chapter 4 of 7 / 01 jun 08 / greg goebel / public domain

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