Your mCPX tail boom will not last long in the torturous indoor flying environment. See tips on how to upgrade to a stronger tail boom system.
On First Glance the Tail slipped on the hub nicely, nothing forced. 2 words : Rock Solid ! Motor did NOT get hot, or more than. Tail was Locked , were before I had a wag and wouldn't hold. I'm Impressed Microheli. I will be putting these MH-Tail Blades on ALL my 230-S's - 250-CFX's... NOTE: 94 head gain, tail gain 106, & 90% straight curve in idle1, for the Triple Blade Head. https://youtu.be/TUY42hKvD-M