Hatsan Has anyone modded Hatsan Jet 2

I'm trying to replace the tube on my Jet1 with a longer one and install a regulator. Finding I have to get creative w the tube. I haven't solved it yet. I supsect a lot of people like you w a longer barrel would want a longer single refulated tube that can be swapped in the field.

I'm tryi g for a 300 bar tube and a 250 bar regulator. May have to rebuild the Jet1 tube with a longer cylinder, if it will dissasemble for me
Takes extra cash to just buy parts and experiment now days. I'm getting lazy the older I get. I like messing around with unregulated stuff.
 
Changed out the valve spring for a weaker one. Can now hit the side of a barn!
shot string 250b to 150b
Bullet : 7.9 gr Crosman

Shot count: 22
Low: 731
Hi: 833
Avg: 786
STD Dev: 27
Spread: 102

2024-01-23 06:27:15,772,FPS,10.5,FT Lbs,
2024-01-24 12:04:46,833,FPS,12.2,FT Lbs,
2024-01-24 12:05:24,821,FPS,11.8,FT Lbs,
2024-01-24 12:07:43,819,FPS,11.8,FT Lbs,
2024-01-24 12:07:54,821,FPS,11.8,FT Lbs,
2024-01-24 12:08:18,814,FPS,11.6,FT Lbs,
2024-01-24 12:08:31,793,FPS,11.0,FT Lbs,
2024-01-24 12:08:42,789,FPS,10.9,FT Lbs,
2024-01-24 12:10:33,807,FPS,11.4,FT Lbs,
2024-01-24 12:10:53,803,FPS,11.3,FT Lbs,
2024-01-24 12:11:06,791,FPS,11.0,FT Lbs,
2024-01-24 12:11:18,791,FPS,11.0,FT Lbs,
2024-01-24 12:11:28,791,FPS,11.0,FT Lbs,
2024-01-24 12:11:39,786,FPS,10.9,FT Lbs,
2024-01-24 12:11:49,782,FPS,10.7,FT Lbs,
2024-01-24 12:11:59,763,FPS,10.2,FT Lbs,
2024-01-24 12:13:41,763,FPS,10.2,FT Lbs,
2024-01-24 12:14:49,770,FPS,10.4,FT Lbs,
2024-01-24 12:15:05,752,FPS,9.9,FT Lbs,
2024-01-24 12:15:44,745,FPS,9.7,FT Lbs,
2024-01-24 12:15:59,747,FPS,9.8,FT Lbs,
2024-01-24 12:18:16,731,FPS,9.4,FT Lbs,

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