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PostPosted: Wed Dec 24, 2014 2:52 pm 
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Joined: Sat Jan 26, 2008 12:12 am
Posts: 19
Location: toronto
Hi,
I got this .177 webley typhoon from airgun source a week ago.
the trigger pull is said about 8 lbs, the finger feels tired after 30-40 shots.
The accuracy from support is possible one rag hole at 10 yards with Jsb express
little bit biger with hobby 7.0gr, with 2x pistol scope (BSA)

Here is what I have done: (Sorry, no Pics)
-polish sear surface, remove one big bur at side of the middle sear,
-straight the long arm of the trigger spring and bend little just near the end to make it seat on the first plastic sear nicely.
-change the coil sear spring to a softer one.
-lube
-(better install 2 shim washers at both side of the long (2nd) metal sear, you can use pet Plastic bottle, I have made them but didn't install yet )
-tighten the 3 screws, should use different bit for the rear one

- tried 50 shots , much lighter now, about 3-4 lbs ,no problem at all.
going to try to see are there any improvement for accuracy.

-One more thing:
I use 9/11mm to weaver adapter (about 3 inch with 2 screws) and leapers quick (clamp) change rings.
The whole mount move back to the end of the groove.
It seems the recoil is heavy at least to my set up.
I believe that semi-recoil mechanism is work and the hold is important for the accuracy.


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PostPosted: Fri Dec 26, 2014 6:27 pm 
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Joined: Sat Jan 25, 2014 9:16 pm
Posts: 1271
Location: United States
I'm guessing it's a Hatsan model 25 but without the good trigger? Maybe it has an older Hatsan trigger. If you wanted to share, like a how-to guide, you gotta have pix... If you figure out what trigger it has there may be some info out there of things people have tried. I'm sure others would appreciate a nice guide with pix and arrows n stuff...


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PostPosted: Tue Dec 30, 2014 5:18 pm 
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Joined: Sat Jan 26, 2008 12:12 am
Posts: 19
Location: toronto
Chevota is right,but I have really rush to see the result without taking the pix (excuse).

I don't know if it's the same as Hatsan 25.
Anybody knows?


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