My Questions Is About Airplanes

You decide that it wants to optimize its plane for easy flying, meaning that you want your pilot to keep the plane up in the air for the longest time without crashing. To complete your design, you go through the following steps (make sure to SHOW YOUR WORK):

1. You have the option to choose from a variety of components for your plane including batteries, motors, propellers, and the plane itself (which are listed below). If you want to build a plane that is easiest to fly, which components do you choose and why? Please provide any calculations that you think might help support your decision.

Plane A: mass = 115g; wingspan = 30 cm; wing area = 250 cm2; CL = 0.8; CD = 0.35

Plane B: mass = 200g; wingspan = 95 cm; wing area = 1100 cm2; CL = 0.5; CD = 0.3

Available batteries 2-cells; 650mAh; 38g 3-cells; 650mAh; 54g

Available motors 2300 kV; 38g 2550 kV; 38g

Available propellers
5 .1x 4.5 (5g); ~85% rotation eff.

6 x 4.5 (5g); ~80% rotation eff.

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2. Calculate the minimum and maximum velocity of your plane. Assume you’re flying in San Francisco with an air density of 1.218 kg/m .

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