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How did they match NASA so cheaply? Well they haven't...yet
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Spaceflight Participant ![]()
Joined: Mon Jun 21, 2004 1:42 pm
Posts: 59 |
Quote: SpaceShipOne has a wet mass of about 3.5 tonnes (if I remember correctly), around 50% of which is fuel. By comparison, to launch an equal dry weight (basically the flight controls, wings, and passengers) into orbit would require approximately 20 tonnes worth of fuel. You point me to a plane which can easily carry 20 tonnes of highly volatile rocket to a sufficient height to be worthwhile, and I'd be impressed. Be impressed http://members.lycos.co.uk/aerospace21/ ... n-225.html |
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Spaceflight Participant ![]()
Joined: Thu Sep 09, 2004 4:58 pm
Posts: 95 Location: London, UK |
Ok, the Antonov is definitely impressive
However, that does not necessarily mean it is practical. In my opinion, there are greater and smarter people than us working on launch technology, and that only one group of them decided to use air-borne launch says something about it. _________________ Sev |
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Moderator ![]()
Joined: Thu Jun 03, 2004 11:23 am
Posts: 3745 Location: Hamburg, Germany |
Only one team that uses air-launch - right. But there other teams working on single stage concepts according to their websites. Their vehicle are planes using rockte engines - these concepts simly don't require air launches. One of this teams recently announced to be ready in 2007.
And Suborbital Corporation in Russia had in mind to use air-launch too. But they are suffering by lack of financial ressources as I remember. So "only one team that uses air-launch" is to be relativated. Dipl.-Volkswirt (bdvb) Augustin (Political Economist) |
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Spaceflight Participant ![]()
Joined: Mon Jun 21, 2004 1:42 pm
Posts: 59 |
Sev wrote: Ok, the Antonov is definitely impressive However, that does not necessarily mean it is practical. In my opinion, there are greater and smarter people than us working on launch technology, and that only one group of them decided to use air-borne launch says something about it. Not really. It shows us that rocket engineers build rocket-shaped things, and airplane engineers (like Rutan) build airplane-shaped things, and seldom do the two meet There have been several design attempts by very clever people for air-launched orbital craft (MAKS, Sanger, the early Space Shuttle designs). These failed for budgetary and political reasons as much as technical ones. |
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Spaceflight Enthusiast ![]()
Joined: Tue Oct 12, 2004 4:53 pm
Posts: 3 Location: Florida |
Sev wrote: Ok, the Antonov is definitely impressive However, that does not necessarily mean it is practical. In my opinion, there are greater and smarter people than us working on launch technology, and that only one group of them decided to use air-borne launch says something about it. Yeah. The only team to fly a fullscale vehicle and in the process WIN the X-Prize. |
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Spaceflight Enthusiast ![]()
Joined: Sun Nov 07, 2004 11:53 pm
Posts: 1 |
The NASA Advanced Planning and Integration Office (APIO) is requesting input for the development of high-level roadmaps.
Submissions are sought in the following areas: 15 key capability focus areas (submissions due November 16, 2004): High-Energy Power and Propulsion In-Space Transportation Advanced Telescopes and Observatories Communication and Navigation Robotic Access to Planetary Surfaces Human Planetary Landing Systems Human Health and Support Systems Human Exploration Systems and Mobility Autonomous Systems and Robotics Transformational Spaceport/Range Scientific Instruments/Sensors In Situ Resource Utilization Advanced Modeling, Simulation, Analysis Systems Engineering Cost/Risk Analysis Nanotechnology 12 key strategic focus areas (submissions due December 10, 2004): Robotic and human lunar expeditions. Sustained, long-term robotic and human exploration of Mars. Robotic exploration across the solar system. Advanced telescope searches for Earth-like planets and habitable environments. Development of an exploration transportation system. Completion of the International Space Station and focusing its use on supporting space exploration goals. Exploration of the Universe. Exploration of the dynamic Earth system. Exploration of the Sun-Earth system. Advanced aeronautical technologies for next-generation aviation systems. Using NASA missions inspire, motivate, and educate. Utilization of nuclear systems for the advancement of space science and exploration. Detailed description under: http://fellowships.hq.nasa.gov/apio/Att ... _01_V5.pdf Submissions are required to be a maximum of two pages and to focus on no more than two points each. There is also a public workshop being held November 30, 2004 in Washington D.C. on the capability focus areas. http://www.spaceref.com/news/viewsr.html?pid=14404 http://fellowships.hq.nasa.gov/apio/index.cfm |
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