Figure 9: Experimental device: 1: NOTAR helicopter blades carbon fiber, 2: hub pitch, 3: structure helicopter fiberglass, 4: Coandă slots, 5: device measuring dynamometer force , 6: tool kit with, 7: measuring and control equipment, 8: instruments for making measurements (timer, dynamometers, Anemometers electronic, mechanical comparator, and roulette), 9: dual source DC power, and 10: stabilized power source and electronic oscilloscope.