Originally Posted by smiller

Well when the second engine did the same thing I thought the same way, must be issue in my airframe. My friend has a plane with an older Cheetah , we put my engine in his plane using his power harness and batteries also a different communication harness and it did the same exact thing {quits when power pulled back to 1/4 or below} This only happens in flight, runs fine on the ground . Two engines doing the same thing, one tryed in a different airframe with the same results. Strange !

Scott