RE: towers trainer..
Hey! Your plane looks just like mine did. I’m glad you made the purchase for the CG machine, it is way more accurate than fingertips. Also thanks for taking the pictures and demonstrating the fact. Mine was just like that before balancing. I had to move my battery pack behind the former for the rear wing hold dowel and still had to add some weight to the tail.
I like to to put the bubble level right on the stabilzer, that is what you want to level out. Careful with the level just on the curve surface of the wing, you could get a misreading.
With a balanced plane, takeoffs will be easier and landings will be slower. All other performance is greatly enhanced as well.
Good flying to you,
Tom