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Urquiola

Lover of flying, and non-flying machines, specially engines. Retired

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  • Madrid, Spain
  • Member for 6 years, 5 months
  • 312 profile views
  • Last seen Feb 22 at 15:39

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24 Does it make sense towing airplanes to the head of airstrip by external (eg electric) means? Oct 13 '14
15 How would an Inverted Delta Wing planform behave, Straight part forward? Are there wings shaped this way? Jan 20 '15
8 What are the advantages and disadvantages of ducted fans in designs such as the Airbus E-Fan? Jul 2 '15
7 Why haven't quadcopters been scaled up yet? Dec 15 '14
7 If this is not a Lippisch L-13, what is it? Sep 28 '15
6 Why don't small planes use turbine (turboprop) engines? Jul 16 '15
5 Why don't drones use ducted fans? Jan 25 '19
4 Is there a maximum possible size for an airplane? May 10 '16
4 Would an area-ruled fuselage improve the MiG-15/17's performance? May 2 '18
4 How long does it take for a regular size airliner jet engine to be warm? Apr 25 '18
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