Hi, i can turn the shaft as ... fine, well.... i dunno but i dont think its suppost to be fail that fast...... just not even 2 mins running, that was my 1st prop test. I reported and will send it back 2morow with decription: overheated with 19.2V and Feigao 9XL, never work back again. ... daymmmm.... it was so fun with my 1st run, tried to recording a video clip for your guys too but.....well, i will post it again later then.