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Author Topic: Hatsan 125 normal power ?  (Read 304 times))

Offline King_mayham

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Hatsan 125 normal power ?
« on: October 03, 2021, 07:12:15 AM »
My hatsan 125 gas ram is only getting me 28ft lbs of energy, it was chronied from pyramid air, relatively new air rifle. Lowest velocity with 20 grain H&N pellets was 804 FPS but it settled at about 810fps. I was told these air rifles should get over 30 ft lbs of energy, did I get a bad one ? Also I donít know if this a fluke but I saw on the gas ram, itís visible when you look in the gap that itís rated to take 160 bar, but normal hatsans are rated at 150 bar.
« Last Edit: October 03, 2021, 07:14:49 AM by King_mayham »
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Offline Nate the airgunner

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Re: Hatsan 125 normal power ?
« Reply #1 on: October 03, 2021, 10:02:48 AM »
You are very close to 30 ft lbs so you are in the zone, wouldnít say you got a bad one. Maybe a heavier pellet will get you to the 30 ft lbs
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Offline Mod90

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Re: Hatsan 125 normal power ?
« Reply #2 on: October 12, 2021, 10:47:55 PM »
Sounds about right within the average power range. As mentioned, maybe another pellet will get you that additional 2 fpe.

But if not I wouldn't worry about it. 28 fpe is plenty of power for hunting and plinking.
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Offline Back_Roads

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Re: Hatsan 125 normal power ?
« Reply #3 on: October 12, 2021, 10:55:43 PM »
 Any more power out of a break barrel makes the gun unpleasant to shoot, and accuracy may suffer, my .25 125 was my stepping stone to PCP power.
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Offline Blowpipe Sam

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Re: Hatsan 125 normal power ?
« Reply #4 on: October 13, 2021, 12:15:46 AM »
Sounds about right to me.  You might get it over 30 fpe by pumping the Vortex ram up closer to 150 bar but as James has pointed out it will just make the shot cycle harsher and wear out the gun faster.  Believe me,  28 fpe is plenty of power from the Mod 125.
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Offline Voltar1

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Re: Hatsan 125 normal power ?
« Reply #5 on: October 13, 2021, 11:59:23 PM »
Yours has to be a very healthy 125. To get 30 you will need the model 135
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Offline ER00z

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Re: Hatsan 125 normal power ?
« Reply #6 on: October 14, 2021, 10:38:59 AM »
Yeah, 27-30 fpe seems to be in the ballpark for Hatsan 125's. When I first joined I asked about a more powerful springer, ~40fpe in .22 or .25 caliber. The general response was go pcp or custom build. Lol...

Dear Hatsan, please build a bigger, badder break barrel. The 125 & 135 have become normal and we request nothing less than 38 fpe in .22 or 40fpe in .25. Increase the stroke another 100mm or so, and give it a 60mm piston. Give it your beautiful walnut stock. If it weighs 20lbs unscoped it's fine. We'll blow a hole through anything out there and that's what counts.  ;D

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Offline Mod90

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Re: Hatsan 125 normal power ?
« Reply #7 on: October 14, 2021, 05:49:48 PM »
Yeah, 27-30 fpe seems to be in the ballpark for Hatsan 125's. When I first joined I asked about a more powerful springer, ~40fpe in .22 or .25 caliber. The general response was go pcp or custom build. Lol...

Dear Hatsan, please build a bigger, badder break barrel. The 125 & 135 have become normal and we request nothing less than 38 fpe in .22 or 40fpe in .25. Increase the stroke another 100mm or so, and give it a 60mm piston. Give it your beautiful walnut stock. If it weighs 20lbs unscoped it's fine. We'll blow a hole through anything out there and that's what counts.  ;D

Haha, too much sugar in my coffee today...

Well, they do make a .30 cal break barrel.
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Offline only1harry

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Re: Hatsan 125 normal power ?
« Reply #8 on: October 16, 2021, 04:16:25 PM »
"Lowest velocity with 20 grain H&N pellets was 804 FPS but it settled at about 810fps".

20gr at 810fps is 29.14 FPE!  Very healthy 125.  No issue.  You got a strong  springer.  Now have fun with it  :)

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Offline Kragman1

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Re: Hatsan 125 normal power ?
« Reply #9 on: October 23, 2021, 12:01:42 PM »
Jason - what elevation are you at?
That can make a real difference too.
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Offline Kragman1

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Re: Hatsan 125 normal power ?
« Reply #10 on: October 24, 2021, 10:25:47 PM »
FYI, I shot my stock, not-yet-broken in 125 in .25 yesterday over a chrony with a few different pellets, from 20 to 28 gr. and they all ran in the 30 to 31 fpe range. 
According to the info I found online I was at 50 feet above sea level.
I don't know how much velocities may change as it gets more rounds through it, but if it stays where it is I'll be completely satisfied that it is "healthy".
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Offline 19Sheridan57

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Re: Hatsan 125 normal power ?
« Reply #11 on: Today at 10:20:34 AM »
They are harsh enough to shoot as is, in my opinion. You donít need more ď horsepower .Ē
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Offline Kragman1

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Re: Hatsan 125 normal power ?
« Reply #12 on: Today at 11:08:48 AM »
Hi Steve

Yes, I agree that they aren't "blessed with finesse".
But mine really isn't all that bad. It certainly has a heavy firing cycle, but it isn't jarring,  I didn't notice any secondary rebound, etc.  It really just seems like a normal firing cycle scaled up to the level of the output.

Now, it could be that its really battering the piston seal and that I will soon experience a lousy cycle as the seal gets beaten to death.  So far (after only 100-150 shots on a refurb) it seems fine.  Maybe I got lucky.  Mine doesn't "ping", FWIW.

It doesn't have the clean stroke of the Diana 350 or ASP20 I also shot on Saturday, but then I never expected it to.  I have no idea if it would benefit from a tuning, different seal design, etc.
It seemed accurate when I was shooting at debris, so I doubt it will ever be tuned.  It will get a scope though, so at some point I can compare apples to apples.
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Offline Blowpipe Sam

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Re: Hatsan 125 normal power ?
« Reply #13 on: Today at 11:51:40 AM »
Brian,
My .25 cal Refurb is somewhere around 800 shots.  I haven't gone inside it yet but I did order all the parts I will need.  Just waiting for an opportunity to work on it.  The cocking cycle is still noisy but the shot cycle is relatively smooth.  Thanks for posting your chronograph numbers on my mod 125 thread.  I estimated that my gun was shooting about 100 fps slower than yours.  I will be very happy if it is achieving the kind of velocities that your does. I have found mine to be more accurate than I expected.  In fact it is the most accurate springer I own having edged out my .22 cal mod 125.  While most people complain about the Mod 125's violent shot cycle my principal beef is the weight.  It's a big , muzzle heavy beast.  My accuracy declines the farther I have to carry it.  I find that I  am more inclined to use the big Hatsans for hunting from a prepared blind and preferably over bait.
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Offline Kragman1

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Re: Hatsan 125 normal power ?
« Reply #14 on: Today at 03:13:48 PM »
Well Sam, mine isn't too heavy without a scope (plain Jane stock) but I'm pretty sure putting a scope on it will push it over the edge.

FYI, I'm at sea level so I would expect 27-28 fpe at significant elevation.


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