I bought the Principle from Tower and a used PowerCore. I wanted to try the "Modular Aircraft System" and the SLT function on my new/used Hitec Aurora 9X.
I installed the Powercore, turned on the radio (after reading how to get the SLT mode. The elevator function was correct but I had to reverse the rudder servo (electronically of course). I remember back when you had to buy a Reverse servo.
I adjusted the rudder and elevator travels to 1/4 and 9/32`s per the instructions.
I received 3 batteries with my used powercore, the all charged fine and surprisingly quickly.
I took my 16 & 14 year old over to a local baseball field installed the battery did a range check and had my son give it a nice level toss. I was at full throttle, went straight up like a helicopter flipping and spinning and then towards the ground the controls had no effect, I pulled the throttle back as it hit the infield dirt with pieces flying everywhere.
I thought the powercore slid back and the control stopped functioning or the radio lost comm.
Surprisingly no broken parts, just cowl cover was bent a little.
I put it all back together and everything worked except the throttle. upon further inspection I found when the plane hit the ground the battery came forward and partially unplugged the motor connector from the circuit board.
This time I thought I would try half throttle, My son tossed the Principle straight and level and to my surprise it flew beautifully, a scale...Continue Reading