Prospective Concepts Stingray experimental pneumatic aircraft

[Retrofit]

The "Stingray" experimental pneumatic aircraft designed by the Swiss Company "Prospective Concepts" between 1995 and 2000.

http://www.prospective-concepts.ch/

Photo from their website.

 

[hesham]

Was it the same aircraft ?.

 

[minmachine]

Was it the same aircraft ?.

The pdf and the attached photo seems to imply that the Stingray had an intake for a jet engine but in reality the Stingray had a suspended gondola underneath and was driven by a rear mounted propellor unit and powered by piston engine. The grainy video is still on YouTube.

 

[publiusr]

No need for a big hanger…easier to hide—road as runway in the dead of night. Envelope have fuel?