Following graph represents ____(a) graphical method to find MAC(b) graphical method to produce drag(c) graphical method to find lift(d) graphical method to find lift-curveThis question was addressed to me in exam.Question is taken from Configuration Layout topic in section Configuration Layout and Loft of Aircraft Design

Following graph represents ____(a) graphical method to find MAC(b) gra

1.	Following graph represents ____(a) graphical method to find MAC(b) graphical method to produce drag(c) graphical method to find lift(d) graphical method to find lift-curveThis question was addressed to me in exam.Question is taken from Configuration Layout topic in section Configuration Layout and Loft of Aircraft Design
Answer» Right answer is (a) GRAPHICAL method to FIND MAC To EXPLAIN: Above figure is showing the typical graphical method to find the MAC. Here, first we project the root chord from tip chord and vice-versa as shown by DASHED lines from respective chords. After that we draw a line from which will connect midpoints of root and tip chord. Intersection of both lines will provide MAC which will be LOCATED at Y distance from root chord as shown.

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