Originally Posted by
airraptor
also dont try those Q-500 Pylon props on sport engines unless you can spin them 18,000 or more on the ground. if not your not as fast as you can be....
Speaking of which, if I can slightly hijack for one question - I know APC's "190,000/dia" rule, that suggests the Q500 props are good for up to about 21.5k. In practice how fast do people consider them safe in use?