>>1455450Five of them are still flying.
>>1455405The last prototype I found was this one:
https://www.youtube.com/watch?v=cRrxYFDGpBkA pusher configuration with a blended wing-body or lifting body like:
>>1455358is promising. The required engine power is also somewhat low for 2 seaters.
It's possible to avoid retractable gears with more aerodynamic configurations like the one shown in the picture.