Heron's Apache my be need this engine:
http://pl.wikipedia.org/wiki/Motorjet
Heron's apache to drive propellers you may use electrically driven motors Motorjet. Then you can harness the power of their relatively high..
http://www.angelfire.com/art/jetengine/
http://www.rcgroups.com/forums/attac...hmentid=777461
Well if he gave such ichyba two engines to the Hero's apache model, it is even quite good size, it could be...
http://www.rcgroups.com/forums/showt...&pp=15&page=11
May be person size??
The first hybrid helicopter??
Regards Andrew
