Dave,
you know what i am developing.
i posted a 3D view here .
It is a simple gyrocopter, one seat. the mission of a such aircraft is simple to understand : low speed flight at human breath level, short take off with jump take off capabilities. the max weight is about 270 kg.
the "mission" concern is valid for all kind of commecial or military project, but this is not my case.
I also read some books and in mine : "L'HELICOPTERE theorie et pratique" from P.LEFORT and J.HAMANN, both engineers in the highest schools and both managers of the helicopter division at the french "Aerospatiale". They describe precisely the missions in the last chapters.
i tried to design a gyro to challenge the Xprize but , by respect for B Rutan, i stopped because he needs the price much more than me
.
thanks.