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1. The wingspan of the first successful human powered airplane was about 30m and the wing chord was 2.2 m. If the structural weight is about 32kg and the pilot

weight is 68kg, calculate the lift coefficient and the induced drag coefficient. If the additional viscous drag is Cpo = 0.01, calculate the power required for a steady cruise at a speed of 16km/hr.(use the elliptic wing equations and air properties from Table 1.1).

Fig: 1