.25 shadow blodnob shot string

Had a session over the chrono with my .25 shadow .

24″ barrel , blodnob valve , 80gram hammer , 31grain kodiaks straight from the tin .
filled to 220 bar
fps
1 1003
2 995
3 995
4 980
5 978
6 976
7 972
8 973
9 975
10 976
11 977
12 978
13 982
14 980
15 980
16 978
17 976
18 978
19 976
20 965
21 989
22 990
23 981
24 978
25 971
26 968
27 972
28 963
29 957
30 957
31 959
32 956
33 957
34 944
35 940
155 bar left in bottle

String 2 filled to 230bar

1 970
2 982
3 986
4 986
5 998
6 1003
7 1001
8 996
9 998
10 1000
11 989
12 989
13 988
14 989
15 990
16 990
17 988
18 986
19 992
20 988
21 986
22 989
23 984
24 988
25 984
26 981
27 982
28 981
29 978
30 978
31 981
32 979
33 977
34 970
35 975
36 960
37 964
38 959
39 950
40 948
140bar left in bottle .

Looks like 230bar fill is best for 35 shots which I think is pretty good for an unregged gun .