loved my comapny or not then tell me why, why its going on the based ont he quation in blank Here we observe the common in base of report 1,2& 3 for increase the main rotor rpm it will take to less time for responding of the increasing to velocity of the blades because of in main rotor have the 5 number and tail Rotor have the only 3 number of blades and it is helps to increase the strength of the and increase the area of discharging portion.