The document instructs to draw one turn of the involute of a circle with a diameter of 50 mm. It also instructs to draw the tangent and normal to the curve at a point 80 mm from the circle's center.

1. Draw one turn of the involute of a circle 50 mm in diameter.
Draw a tangent and a normal to the curve at a point 80 mm
from the centre of the circle.
Given
• Involute
• Circle Diameter 50mm

2. R25

3. R25

4. R25
1
8
7
6 4
5
3
2

5. R25
1
8
7
6 4
5
3
2

6. R25
1
8
7
6 4
5
3
2
ℿD = 157.08

7. R25
1
8
7
6 4
5
3
2
ℿD = 157.08
1 2 3 4 5 6 7 8 1

8. R25
1
8
7
6 4
5
3
2
ℿD = 157.08
1 2 3 4 5 6 7 8 1

9. R25
1
8
7
6 4
5
3
2
ℿD = 157.08
1 2 3 4 5 6 7 8 1

10. R25
1
8
7
6 4
5
3
2
ℿD = 157.08
1 2 3 4 5 6 7 8 1

11. R25
1
8
7
6 4
5
3
2
ℿD = 157.08
1 2 3 4 5 6 7 8 1

12. R25
1
8
7
6 4
5
3
2
ℿD = 157.08
1 2 3 4 5 6 7 8 1

13. R25
1
8
7
6 4
5
3
2
ℿD = 157.08
1 2 3 4 5 6 7 8 1

14. R25
1
8
7
6 4
5
3
2
ℿD = 157.08
1 2 3 4 5 6 7 8 1

15. R25
1
8
7
6 4
5
3
2
ℿD = 157.08
1 2 3 4 5 6 7 8 1

16. R25
1
8
7
6 4
5
3
2
ℿD = 157.08
1 2 3 4 5 6 7 8 1

17. R25
1
8
7
6 4
5
3
2
ℿD = 157.08
1 2 3 4 5 6 7 8 1

18. R25
1
8
7
6 4
5
3
2
ℿD = 157.08
1 2 3 4 5 6 7 8 1

19. R25
1
8
7
6 4
5
3
2
ℿD = 157.08
1 2 3 4 5 6 7 8 1

20. R25
1
8
7
6 4
5
3
2
ℿD = 157.08
1 2 3 4 5 6 7 8 1

21. R25
1
8
7
6 4
5
3
2
ℿD = 157.08
1 2 3 4 5 6 7 8 1

22. R25
1
8
7
6 4
5
3
2
ℿD = 157.08
1 2 3 4 5 6 7 8 1

23. R25
1
8
7
6 4
5
3
2
ℿD = 157.08
1 2 3 4 5 6 7 8 1

24. R25
1
8
7
6 4
5
3
2
ℿD = 157.08
1 2 3 4 5 6 7 8 1

25. R25
1
8
7
6 4
5
3
2
ℿD = 157.08
1 2 3 4 5 6 7 8 1

26. R25
1
8
7
6 4
5
3
2
ℿD = 157.08
1 2 3 4 5 6 7 8 1

27. R25
1
8
7
6 4
5
3
2
ℿD = 157.08
1 2 3 4 5 6 7 8 1

28. R25
1
8
7
6 4
5
3
2
ℿD = 157.08
1 2 3 4 5 6 7 8 1

29. R25
1
8
7
6 4
5
3
2
ℿD = 157.08
1 2 3 4 5 6 7 8 1

30. R25
1
8
7
6 4
5
3
2
ℿD = 157.08
1 2 3 4 5 6 7 8 1
1’
8’
7’
6’
4’
5’
3’
2’
1’

31. R25
1
8
7
6 4
5
3
2
ℿD = 157.08
1 2 3 4 5 6 7 8 1
1’
8’
7’
6’
4’
5’
3’
2’
1’

32. R25
1
8
7
6 4
5
3
2
ℿD = 157.08
1 2 3 4 5 6 7 8 1
1’
8’
7’
6’
4’
5’
3’
2’
1’

33. R25
1
8
7
6 4
5
3
2
ℿD = 157.08
1 2 3 4 5 6 7 8 1
1’
8’
7’
6’
4’
5’
3’
2’
1’

34. R25
1
8
7
6 4
5
3
2
ℿD = 157.08
1 2 3 4 5 6 7 8 1
1’
8’
7’
6’
4’
5’
3’
2’
1’
P

35. R25
1
8
7
6 4
5
3
2
ℿD = 157.08
1 2 3 4 5 6 7 8 1
1’
8’
7’
6’
4’
5’
3’
2’
1’
P

36. R25
1
8
7
6 4
5
3
2
ℿD = 157.08
1 2 3 4 5 6 7 8 1
1’
8’
7’
6’
4’
5’
3’
2’
1’
P

37. R25
1
8
7
6 4
5
3
2
ℿD = 157.08
1 2 3 4 5 6 7 8 1
1’
8’
7’
6’
4’
5’
3’
2’
1’
P
T
N