The concept is not bad,but about the premining coins,it's a little more IMO,5% will be a proper rate maybe you have a huge plan need more coins,but it's not a convincing reason.
Actually, stuff, what we need costs a lot. And there is no price, compaired to human life.
Fast PC, servers, sensors, thermal-image cameras, lasers, gyro-stabilised platforms... They cost a lot.
I'll make some kind of dev-blog, where I can explain everything for investors