How Draw Ellipse by Arcs of Circle Method | Engineering Drawing Exam Special | Arcs Method
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How Draw Ellipse by Arcs of Circle Method | Engineering Drawing Exam Special | Arcs Method
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RC CLASSES
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70 просмотров · 4 нед. назад
How Draw Ellipse by Arcs of Circle Method | Engineering Drawing Exam Special | Arcs Method
In this video, you will learn step-by-step how to construct an ellipse using the Arcs of Circle Method (also known as the Intersecting Arcs Method or Foci Method). This is a highly important and frequently asked problem in university (RGPV) and diploma engineering drawing exams!
QUESTION COVERED:
"A point moves in a plane in such a way that the sum of its distances from two fixed points 60 mm apart is 90 mm. Name and draw the locus of this point around the fixed points."
VIDEO TIMESTAMPS:
0:00 - Introduction & Understanding Given Data (Major Axis & Foci Distance)
1:15 - Drawing the Major Axis (AB = 90 mm) and Locating Center (O)
2:30 - Marking the Fixed Points / Foci (F1 and F2 = 60 mm apart)
4:00 - Dividing the Line Segment between F1 and Center O into Equal Parts (1, 2, 3...)
6:45 - Taking Radii (A1, B1...) and Taking F1, F2 as Centers to Draw Intersecting Arcs
9:15 - Locating Points (P1, P2, P3... and Q1, Q2, Q3...)
11:00 - Joining Points with a French Curve to Form the Final Smooth Ellipse
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