Projection of planes 017

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Projection of planes 017

  1. 1. Problem 15: Fv & Tv of a triangular plate are shown. Determine it’s true shape.USE SAME PROCEDURE STEPS 50OF PREVIOUS PROBLEM: 25BUT THERE IS ONE DIFFICULTY: c’ 15NO LINE IS // TO XY IN ANY VIEW. a’ 1’MEANS NO TL IS AVAILABLE. 20IN SUCH CASES DRAW ONE LINE b’// TO XY IN ANY VIEW & IT’S OTHER 10 X YVIEW CAN BE CONSIDERED AS TL 15 x1FOR THE PURPOSE. a cHERE a’ 1’ line in Fv is drawn // to xy. 40HENCE it’s Tv a-1 becomes TL. 1 c’1 a’1 y2 bTHEN FOLLOW SAME STEPS AND c1DETERMINE TRUE SHAPE. b’1(STUDY THE ILLUSTRATION) y1 x2 ALWAYS FOR NEW FV TAKE b1 DISTANCES OF PREVIOUS FV AND FOR NEW TV, DISTANCES d1 OF PREVIOUS TV REMEMBER!!

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