Hello,

I am running a 4 year old OS 46FX on my OMP Edge. The motor has approx. 200 flights with no crashes.

I am having an issue with midrange power. When I pull into a hover I am normally at idle. I will add approx 1/3 throttle to start the hover, however when I have to add a little more to hold the hover the motor will quit for a split second. It will then catch up and produce plenty of power to pull out. During normal flight attitudes I don't notice it. I can go straight up at full problem with no problem. As you can imagine with the motor stalls at 20' the plane starts dropping rapidly until the power comes back!

I have tried adjusting the low end and high end. On the bench my low end seems ok, with a smooth transition from idle to full or half throttle. My high end is running 200 rpm rich of peak. I have tried Wildcat 10% and 15% nitro and I am currently running CoolPower 20% Heli and they all do the same thing.

I have also tried an OS #8 and A3 glowplug. I am running the stock muffler with the baffle out. The motor is turning an APC 12.25 X 3.75 @ 12,100 RPM's. I tried an APC 11x4 with the same results.

Any suggestions as I have tired everything.

Thanks