.177 Hatsan Galatian IV - Chrono
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.177 Hatsan Galatian IV - Chrono
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Topic: .177 Hatsan Galatian IV - Chrono (Read 2893 times))
Serenity
Shooter
Posts: 28
yes
Real Name: Andreas
.177 Hatsan Galatian IV - Chrono
«
on:
November 23, 2014, 05:46:45 PM »
Hello all !
So i finally got a new barrel for my rifle and i wanted to test it over my chrono to check up on the fps and the amount of muzzle energy it was outputting.
I just started shooting a few months ago so i am by no means an experienced person on this topic.
My Galatian came to me with a messed up barrel, the rifling was stripped just beneath the crown.
And since i live in Norway and purchased my rifle from Airgun Depot they could not cover shipping expenses to return the rifle.
Since shipping was just a few $$$ short of a Lothar Walther barrel i went and purchased the LW one instead.
Unfortunately i got the carbine barrel and not the long one.. but after waiting for 3 weeks i decided to give it a go anyway.
With the moderator attached it does not look too bad:
Todays chrono string was interrupted beacouse of my batteries died at 80 shots. Should have charged them up before starting the string..
At least i got 80 shots and it looks to me like either the hammer spring is to weak or not tightened enough.
Blue = FPS
Red = Bar left in the reservoir
Pellet: 10.34gr JSB Heavys
Started at 210 bar, and ended at 90 bar.
High of 978 fps @ 120 bar
Low of 433 fps @ 210 bar
727 fps @ 200 bar
Do any of you know where i can find the screw that tightens the hammer spring ?
or where i can get a replacement one ?
«
Last Edit: November 23, 2014, 05:49:28 PM by Serenity
»
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Stamsund
Serenity
Shooter
Posts: 28
yes
Real Name: Andreas
Re: .177 Hatsan Galatian IV - Chrono
«
Reply #1 on:
November 29, 2014, 09:24:44 PM »
small update:
Finally got the correct barrel from my local Hatsan dealership
So now the rifle is operational again.
Going to do another test over the chrono tomorrow and look at the results.
Since the rifle seems to be performing best at around 120 bar i think i will just get a regulator
and set it to 120 bar. That way i don`t have to change the spring, and since i am just backyard plinking i really don`t need it to be at full power.
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Stamsund
Serenity
Shooter
Posts: 28
yes
Real Name: Andreas
Re: .177 Hatsan Galatian IV - Chrono
«
Reply #2 on:
November 30, 2014, 03:40:03 PM »
No surprise on the chrono today, longer barrel upped the fps vs the carbine barrel.
Since previous string concluded with a bad hammer spring and poor performance above 150 bar,
i tested today from 150 bar down to 85 bar. Got 2 magazines through for a total of 32 shots.
Pellets used are JSB Heavys 10.34gr
Rifle shows power fluctuations with a spread of 59fps from 150 to 85 bar.
Peaked at 120 bar like previous test, only now i got a high of 1032 fps.
The low was 973 fps.
«
Last Edit: November 30, 2014, 03:43:45 PM by Serenity
»
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Stamsund
tjcib
Marksman
Posts: 365
yes
Real Name: Trevor
Re: .177 Hatsan Galatian IV - Chrono
«
Reply #3 on:
November 30, 2014, 08:04:29 PM »
Thanks for sharing. I'm new to all of this but love to hear other people's journeys.
I think it actually looked sweet with the carbine and the moderator...but that is just personal preference.
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.177 Hatsan Galatian IV - Chrono