LEMON KIT ALERT: overview of the machining issue and all the flow on issues for the assembly. The X380 kit from ALZRC is plagued with machining quality issue through out, main tail rotor unit, tail rotor shaft , main blade grips, feathering shaft, main shafts under sized, poor bearing quality, Blade grip and tail grips machined oversize in the bearing bores, Purchased spare parts to swap out have the same machining problems = this unit cannot be fixed. This is a total LEMON, avoid at all costs.