hesaenger

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• Commented on How Will We Travel to Avatar's Pandora?

  (The best way to travel to the stars IMO is in a virtual sense) You may not remember when the club of Rome first calculated the future of mankind in the 1950th. This has been “virtual” too. But we are...

• Commented on How Will We Travel to Avatar's Pandora?

  Hello, I had just had the possibility to speak with you, Marc. There is a lot of laboratory physics but nothing an engineer can really handle. It was Eugen Sänger in 1953 to introduce antimatter annihilation propulsion, or as he...

• Commented on Constellation Year in Review Video

  How can they claim to have fixed the oscillation problem when not flying a five segment booster?...

• Commented on Will White House Speak Soon About NASA?

  Von Braun and others pioneers taught me a little bit about space transportation. Therefore I do not thrust in Ares I. It is too week for its task and for its single solid booster, there are not many possibilities to...

• Commented on Will White House Speak Soon About NASA?

  When following the discussion about the future of spaceflight, everyone and everything seems to have a lobby – beside the physics. Is this a good idea?...

• Commented on Anti-Space Mom with Pro-Space Kids

  The money for Apollo returned more than six times. Everyone would be happy about such a success. Perhaps the next generation can repeat it....

• Commented on Will White House Speak Soon About NASA?

  It may even happen that the classical role of NASA will come to an end. That they shall do no more own development and just have to organize industrial- and international contributions. After NASP, Venture Star and Ares I, the...

• Commented on Congressional Hearing on Commercial Space Transportation

  Hello, there is something more we should have learned from the past. The money to do manned space flight comes from the taxpayer. Nevertheless building a new launcher is not a matter of a democratic majority. This does not work....

• Commented on Hanley Changes His Story On Ares 1 Safety - Again

  Do we not know these discussions since more than 30 years? A solid booster will not fail as often as a multipart liquid booster. But if a part of liquid booster fails, it is not necessarily disastrous. Saturn V was...

• Commented on Buzz Writes: Washington, we don't have liftoff!

  Why wings and returning from outer space is always handled as a contradiction? Remember CEV, the Lockheed proposal from 2005, remember the russian Clipper or remember MAKS with its foldable wings. Parts of the heat protection for X38 were developed...

• Commented on Buzz Writes: Washington, we don't have liftoff!

  „Until we're prepared to build real spaceships, which must obviously be nuclear powered, let's quit wasting money on meaningless missions flown with primitive rockets.” Beyond low earth orbit – yes. But the taxpayer will not accept a nuclear power plant...

• Commented on Buzz Writes: Washington, we don't have liftoff!

  Just to give an idea. There are still the numbers from Apollo available. How much was it to pick up the Apollo capsule? There was a russian proposal called Clipper. These calculations exists but have never been compared. The actual...

• Commented on Buzz Writes: Washington, we don't have liftoff!

  „Whether astronauts land in water with parachutes, or with wheels on land makes not the slightest bit of difference to me.” It makes a difference. Picking them out of the water is more expensive that two small wings! Who will...

• Commented on Buzz Writes: Washington, we don't have liftoff!

  Chapeau!...

• Commented on Will Someone Please Wake Up ARC PAO?

  If we ain't going anywhere, why we will need a space agency anymore?...

• Commented on Will Someone Please Wake Up ARC PAO?

  Nevertheless, if you have nuclear feed electric propulsion, you need not follow Hohmanns orbits. Than it could be about four month to reach mars!...

• Commented on Will Someone Please Wake Up ARC PAO?

  Please remember. Half a glass of water on 2 tons of gravel is nothing any spaceflight will benefit from....

• Commented on Will Someone Please Wake Up ARC PAO?

  Is it not only science? Is this amount of water anything an engineer can handle? Officials will know this....

• Commented on Anti-Space Tourism Defeatism From ESA Alumni

  The most efficient manned space transportation concept might have been MAKS suggested by Gleb E. Lozino-Lozinsky. They estimated a prize cut by about six times. Today Soyuz is about 20 Mio each seat to visit a space station. Will 3...

• Commented on Anti-Space Tourism Defeatism From ESA Alumni

  Hello, what they would have said. It is not just a developing task to go from suborbital- to orbital manned space flight. You need a completely different vehicle. If you will make suborbital tourism space flight, that is one thing....