If the tip speed of a propeller is to be kept below 0.8c, where c is the speed of sound
Chapter 14, Problem 14.9(choose chapter or problem)
If the tip speed of a propeller is to be kept below 0.8c, where c is the speed of sound, what is the maximum allowable angular speed of propellers having diameters of 2 m ( 6.56 ft), 3m (9.84 ft), and 4 m (13.12 ft)? Take the speed of sound as 335 m /s (1099 ft/s)
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer