none 

Statements about this table:
the shot volume be never less than 172.76
the volume of the shot be always lesser than 175.02
gun class (pdr)
shot diameter (cm)
shot volume (cm 3 )
approx service bore (cm)
mass of projectile (kg)
2
6.04
172.76
6.64
0.90846
3
6.91
172.76
7.60
1.36028
4
7.60
230.30
8.37
1.81339
6
8.71
345.39
9.58
2.71957
gun class (pdr)
shot diameter (cm)
shot volume (cm 3 )
approx service bore (cm)
mass of projectile (kg)
9
10.00
518.28
11.00
4.08091
12
10.97
691.22
12.07
5.44269
18
12.56
1036.96
13.81
8.16499
gun class (pdr)
shot diameter (cm)
shot volume (cm 3 )
approx service bore (cm)
mass of projectile (kg)
24
13.82
1382.65
15.20
10.88696
32
15.21
1843.50
16.73
14.51572
64
19.17
3686.90
21.08
29.03063