Question

For the C172D flying at sea level (density = 0.002377 slug/ft^3) with V∞= 95 knots (160ft/s), com...

For the C172D flying at sea level (density = 0.002377 slug/ft^3) with V∞= 95 knots (160ft/s), compute:

Find :

Lift coefficient
Drag coefficient
(L/D) ratio

Thrust Required(TR)

Power Required(PR)

at IAS 50ft/s

I found the CL, CD and L/D but I need help finding the TR and PR

Wingspan 35.8 ft
Wing area 174 ft22
Normal gross weight 2300 lb
Fuel Capacity 38 Gal. of Aviation Gasoline
Power Plant One 160 hp piston engine at sea level
Specific fuel consumption 0.45 lb/(hp)(h)
Parasite Drag Coefficient, 0.025
Oswald Efficiency Factor, 0.8
Propeller Efficiency Factor,

0.8

0 0
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Answer #1


f = 0.0023 slug/a nf 230。 x00023x 02174 CL= 0.434 MeAR 365 0025 04342 CD = 0.035告) , c.. .oo 35 04.34 O.ヰ O. 035 2.4 2300 23o o 12.4 느 185, 48 lbs 29616.8 lbs-ft ehie also Actua Rcuerao9cuard = 29676,8 . .

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