GEOMETRICAL CONSTRUCTIONS — GENERAL CURVES – HELIX

GENERAL CURVES – HELIX Helix is the locus of a point moving around and along the curved surface of a cylinder or cone with combined uniform angular velocity and uniform linear velocity about and in the direction of the axis. The linear distance moved by the point in one revolution is called pitch or lead. … Read more

GEOMETRICAL CONSTRUCTIONS — TO DIVIDE A LINE INTO ANY NUMBER OF EQUAL PARTS

TO DIVIDE A LINE INTO ANY NUMBER OF EQUAL PARTS Q. Divide a line of 40 mm length into five equal parts and mark on it 3:2; Solution: Let AB be the given line of length 40 mm to be divided into say, five equal parts, Drave a light construction line AC at any converted … Read more