My H9 edge, has a RCS140 gas engine on it. Servos mounted as per plans, except that I added another elevator servo. Flight battery is in front of the fromer directly below the front of the turtle deck. ignition battery is up front behind the firewall.
weight is 12-1/2 lbs. apc (w) prop17 x 8 -, 8300 rpm.

Balance point 4-1/2"