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I recently bought the Turnigy Aerodrive SK3 - 4250-410KV Brushless Outrunner Motor. It looks beautifully made but, to my surprise, the 3 hole bolt-on prop adapter has a shaft of only 6 mm diameter and is only 24 mm lomg. For a powerful motor like this , one would expect at least an 8 mm shaft with 35 mm length and mayby a hex shaft base like the FMS adapters. Neither the FMS nor the NTM adapters fit the motor because the drilled out center of the adapter base is too shallow for this motor. Do you know of a "serious" bolt-on adapter that would fit? I prefer bolt-on to collet and the collet is also 6 mm :-(