Design a new version of the Fournier Motor Glider. But make it simpler, lower cost to build and hopefully lighter in weight and use a 1600 VW engine. No medical required to fly.
How about posting your ideas.
Lots of information on the Fournier RF-4D here. http://www.fournieruk.com/technical/Manuals/RF-4D_Flight_Manual-v2.3.pdf
https://en.wikipedia.org/wiki/Fournier_RF-4
https://en.wikipedia.org/wiki/Fournier_RF-3
How about posting your ideas.
Lots of information on the Fournier RF-4D here. http://www.fournieruk.com/technical/Manuals/RF-4D_Flight_Manual-v2.3.pdf
https://en.wikipedia.org/wiki/Fournier_RF-4
https://en.wikipedia.org/wiki/Fournier_RF-3