Increment in Aircraft Drag Coefficient due to Windshield

Description

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Flat windows with protruding frame

0.016

Flat windows flush with surface

0.011

Single curvature window, flush with surface rounded corners

0.002

Single curvature window, flush with surface sharp corners

0.005

Double curvature window, flush with surface

0.002

Drag coefficient of the windshield referenced to the frontal area of the fuselage

See Graphic: Effect of Windshield Configuration on Drag