//to find the gyroscopic reaction of the airscrew on the aeroplane when it has a) three blades and b)two blades //gravitaional force (g)=32.2 ft/s^2 clc //given printf("\n") I=250//lb ft2 n=1600//rpm v=150//mph r=500//ft w=%pi*160/3//angular velocity of rotation wp=(150*88)/(60*500)//angular velocity of precession //a) with three bladed screw //T=I*w*wp T=(250/32.2)*%pi*(160/3)*wp //b)with two bladed air screw //T1=2*I*w*wp*sin(o) printf("The magnitude of gyroscopic couple is given by %.0f lb ft\n",T) //Tix=T(1-cos(2o)) lb ft //T1y=Tsin(2o)) lb ft printf("The component gyroscopic couple in the vertical plane =%.0f(1-cos(2x)) lb ft\n",T) printf("The component gyroscopic couple in the horizontal plane =%.0f(sin(2x)) lb ft\n",T) // for direction refer the book example