Working in mods and a tune for AT44 long

[oldpro]

Created: 06/16/15 11:34 AM
Description: Hatsan at44 long QE
Notes 1:
Notes 2:
Distance to Chrono(FT): 1.00
Ballistic Coefficient: 1.000
Bullet Weight(gr): 31.00
Temp: N/A °F
BP: N/A inHg
Shots:
#     FPS / FT-LBS
17    848 / 50
16    854 / 50
15    865 / 52
14    865 / 52
13    867 / 52
12    872 / 52
11    871 / 52
10    876 / 53
9     873 / 52
8     878 / 53
7     878 / 53
6     875 / 53
5     870 / 52
4     867 / 52
3     867 / 52
2     860 / 51
1     856 / 50
Average: 867.2 FPS
SD: 8.6 FPS
Min: 848 FPS
Max: 878 FPS
Spread: 30 FPS
Shot/sec: 0.1
True MV: 867 FPS
Group Size (in): 0.00
 Here is where I am now and still have work to do but I'm progressing towards goal. I didnt crony first two shots but they were 849-852 thats 2 good clips.

[blackdiesel]

Did I read in one of the treads that you plan on building an efficient valve for Hatsan air tubes?

[oldpro]

 I am in the process right now for the AT and the BT