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clc; funcprot(0);
//Example 8.8 Polar Curves
// Initialisation of variables
W = 3000;
S = 350;
V = 90;
rho = 0.002378;
// Calculations
Cl = 2*W/(S*V^2);
Cd = 0.0561; //From figure 8.18
HP = Cd*rho*S*V^3/(2*550);
//Results
disp(HP,"Horse power required by wing (hp) : ");
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