Ok i fly my LEO With the OS 140 RX, 4.396Gr ,No carbon undercarriage becouse the propeller its too long , thats incredible, the power its UNLIMITED (Notice that i flight at 7000 feet), APC 17X12N and 15%cool power.
the plane looks like a 4 stroke powered.i will post the pics this week , becouse mi camera get down.

Regards,

Sergio.