I know it's been posted before but my experience may outsider a few more newbs to take note.I am referring to a brand new HK450GT Pro from Hobby King's retail store in Sydney. Added electronics and spooled it up in the lounge to check for vibrations, blade tracking etc. Fortunately I did not have my face in line with the blades and fortunately my kids were on the other side of the couch. At hover RPM the blades flew apart, one hitting and tearing a fabric blind. The screws that hold the pitch/blade holders on were loose and one had unscrewed. Always disassemble, locktite and reassemble all moving parts.
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