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Space Exploration
Urquiola's user avatar
Urquiola's user avatar
Urquiola's user avatar
Urquiola
  • Member for 7 years, 3 months
  • Last seen more than 6 years ago
  • Madrid, Spain
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Lover of flying, and non-flying machines, specially engines. Retired

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Is it necessary for a vertical landing rocket to have the upper fuel tank empty?
Nov 21, 2017
question
-4
Is it possible building an Space Shuttle in reinforced concrete?
Oct 10, 2017
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25
Does it make sense towing airplanes to the head of airstrip by external (eg electric) means?
17
How would an Inverted Delta Wing planform behave, Straight part forward? Are there wings shaped this way?
9
What are the advantages and disadvantages of ducted fans in designs such as the Airbus E-Fan?
8
If this is not a Lippisch L-13, what is it?
7
Why haven't quadcopters been scaled up yet?