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Props in pylons next to aft fuselage?

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karoliina.t.salminen

Well-Known Member
Joined
Oct 7, 2008
Messages
407
Location
Finland
Hi

CriCri is an example of props in pylons. However, what about pylons in aft fuselage?
TT62 Alekto is example of that. It is unclear why it failed, was it due to mechanical problem or aerodynamic problem? Will the pylons function as additional unwanted tails with moment arm clearly aft from CG if placed like this? Why the CriCri works but there are no examples of pylons in aft fuselage (projects that would not have failed), at least that I would know of?
In electric airplane, it would be easy to fit motors in such pylons and it would not require complex shafts and belt drives but the motors would easily fit similar pods than Alekto has. Was Alekto a pylon aeodynamics failure or Thielert + associated mechanics failure (why they abandoned this config)?
They obviously went to bankrupt after getting to redesign. But why was it redesigned?
Would such placement work in electric plane actually without problems?

Best Regards,
Kaoliina
 
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