What Was That Concept ?

[hesham]

Hi,

I can't recognize this concept,and for what ?.

https://cordis.europa.eu/docs/results/309/309041/final1-acheon-final-att.pdf

 

[Apophenia]

I can't recognize this concept,and for what ?.

ACHEON (Aerial Coanda High Efficiency Orienting Nozzle) as applied to a Cessna 402 test vehicle (PA 31 Navajo was also considered). The goal is in-flight testing of an electrically-driven Coanda nozzle.

A new aircraft architecture based on the ACHEON Coanda effect nozzle: flight model and energy evaluation - European Transport Research Review

Purpose Aeronautic transport has an effective necessity of reducing fuel consumption and emissions to deliver efficiency and competitiveness driven by today commercial and legislative requirements. Actual aircraft configurations scenario allows envisaging the signs of a diffused technological...

etrr.springeropen.com

As your link shows, the Dornier Do 28D was considered as a test vehicle conversion for a high-winged commuter aircraft.

Your right side image is the ACHEON concept as applied to a light UAS based upon a c.1990 Alfredo Capuani design for Aeritalia (the patent was applied for in 1988 but expired in 2008 ... making it freely available for ACHEON?). See:

https://www.researchgate.net/publication/283119105_Multifunctional_Unmanned_Reconnaissance_Aircraft_for_Low-_Speed_and_STOL_Operations

US4969614A - Jet-propelled aircraft - Google Patents

In a jet-propelled aircraft of the type in which the propulsion jets are directed onto a wing so as to achieve an ejector effect, two vertical tail-fin surfaces are provided and extend downwardly beneath the center of gravity of the aircraft to return the aircraft to a correct attitude when it...

patents.google.com

 

[publiusr]

Caterpillar drive for aviation, shades of Red October