CG Calculator for MK-IV Taildragger
Enter your data in the empty fields and you get CG Calculated for your airplane. You can also calculate different scenarios depending on your fuel and passenger weight.

Convert anything to anything
Gallons to Liter, Furlong to Nautical Mile, Kelvin to Rankine etc - pretty handy. Converter Download File

Aircraft bolt size chart:

AN BOLT DIMENSIONS

AN No.

AN3

AN4

AN5

AN6

AN7

AN8

Diam.

3/16" (.186 - .189)

1/4" (.246 - .249)

5/16" (.309 - .312)

3/8" (.371 - .374)

7/16" (.433 - .437)

1/2" (.459 - .499)

DASH NO.

GRIP +1/64 -1/64

LENGTH + 1/32 - 1/64

GRIP +1/64 -1/64

LENGTH + 1/32 - 1/64

GRIP +1/64 -1/64

LENGTH + 1/32 - 1/64

GRIP +1/64 -1/64

LENGTH + 1/32 - 1/64

GRIP +1/64 -1/64

LENGTH + 1/32 - 1/64

GRIP +1/64 -1/64

LENGTH + 1/32 - 1/64

3

1/16

15/32

1/16

15/32

4

1/8

17/32

1/16

17/32

1/16

19/32

5

1/4

21/32

3/16

21/32

3/16

23/32

1/16

45/64

1/16

23/32

6

3/8

25/32

5/16

25/32

5/16

27/32

3/16

53/64

3/16

27/32

1/16

27/32

7

1/2

29/32

7/16

29/32

7/16

31/32

5/16

61/64

5/16

31/32

3/16

31/32

10

5/8

1-1/32

9/16

1-1/32

9/16

1-3/32

7/16

1-5/64

7/16

1-3/32

5/16

1-3/32

11

3/4

1-5/32

11/16

1-5/32

11/16

1-7/32

9/16

1-13/64

9/16

1-7/32

7/16

1-7/32

12

7/8

1-9/32

13/16

1-9/32

13/16

1-11/32

11/16

1-21/64

11/16

1-11/32

9/16

1-11/32

13

1

1-13/32

15/16

1-13/32

15/16

1-15/32

13/16

1-29/64

13/16

1-15/32

11/16

1-15/32

14

1-1/8

1-17/32

1-1/16

1-17/32

1-1/16

1-19/32

15/16

1-37/64

15/16

1-19/32

13/16

1-19/32

15

1-1/4

1-21/32

1-3/16

1-21/32

1-3/16

1-23/32

1-1/16

1-45/64

1-1/16

1-23/32

15/16

1-23/32

16

1-3/8

1-25/32

1-5/16

1-25/32

1-5/16

1-27/32

1-3/16

1-53/64

1-3/16

1-27/32

1-1/16

1-27/32

17

1-1/2

1-29/32

1-7/16

1-29/32

1-7/16

1-31/32

1-5/16

1-61/64

1-5/16

1-31/32

1-3/16

1-31/32

20

1-5/8

2-1/32

1-9/16

2-1/32

1-9/16

2-3/32

1-7/16

2-5/64

1-7/16

2-3/32

1-5/16

2-3/32

21

1-3/4

2-5/32

1-11/16

2-5/32

1-11/16

2-7/32

1-9/16

2-13/64

1-9/16

2-7/32

1-7/16

2-7/32

22

1-7/8

2-9/32

1-13/16

2-9/32

1-13/16

2-11/32

1-11/16

2-21/64

1-11/16

2-11/32

1-9/16

2-11/32

23

2

2-13/32

1-15/16

2-13/32

1-15/16

2-15/32

1-13/16

2-29/64

1-13/16

2-15/32

1-11/16

2-15/32

24

2-1/8

2-17/32

2-1/16

2-17/32

2-1/16

2-19/32

1-15/16

2-37/64

1-15/16

2-19/32

1-13/16

2-19/32

25

2-1/4

2-21/32

2-3/16

2-21/32

2-3/16

2-23/32

2-1/16

2-45/64

2-1/16

2-23/32

1-15/16

2-23/32

26

2-3/8

2-25/32

2-5/16

2-25/32

2-5/16

2-27/32

2-3/16

2-53/64

2-3/16

2-27/32

2-1/16

2-27/32

27

2-1/2

2-29/32

2-7/16

2-29/32

2-7/16

2-31/32

2-5/16

2-61/64

2-5/16

2-31/32

2-3/16

2-31/32

30

2-5/8

3-1/32

2-9/16

3-1/32

2-9/16

3-3/32

2-7/16

3-5/64

2-7/16

3-3/32

2-5/16

3-3/32

31

2-3/4

3-5/32

2-11/16

3-5/32

2-11/16

3-7/32

2-9/16

3-13/64

2-9/16

3-7/32

2-7/16

3-7/32

32

2-7/8

3-9/32

2-13/16

3-9/32

2-13/16

3-11/32

2-11/16

3-21/64

2-11/16

3-11/32

2-9/16

3-11/32

33

3

3-13/32

2-15/16

3-13/32

2-15/16

3-15/32

2-13/16

3-29/64

2-13/16

3-15/32

2-11/16

3-15/32

34

3-1/8

3-17/32

3-1/16

3-17/32

3-1/16

3-19/32

2-15/16

3-37/64

2-15/16

3-19/32

2-13/16

3-19/32

35

3-1/4

3-21/32

3-3/16

3-21/32

3-3/16

3-23/32

3-1/16

3-45/64

3-1/16

3-23/32

2-15/16

3-23/32

36

3-3/8

3-25/32

3-5/16

3-25/32

3-5/16

3-27/32

3-3/16

3-53/64

3-3/16

3-27/32

3-1/16

3-27/32

37

3-1/2

3-29/32

3-7/16

3-29/32

3-7/16

3-31/32

3-5/16

3-61/64

3-5/16

3-31/32

3-3/16

3-31/32

40

3-5/8

4-1/32

3-9/16

4-1/32

3-9/16

4-3/32

3-7/16

4-5/64

3-7/16

4-3/32

3-5/16

4-3/32