//for the cessna skylane(CP-1):
b=10.912;//wingspan(meter)
S=16.165;//wingarea(m^2)
AR=b^2/S;//aspect ratio
Wo=13127.5;//normal gross weight(N)
Wf=1632.5;//weight(N)of fuel
W1=Wo-Wf//empty weight(N)
n=0.8;//efficiency
c=2.0025/(3600*746)//specific fuel consumption(N/(hp.s))
D=1.225;//density at sea level(Kg/m^3)