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Hatsan 55s

Discussion in 'Anything Airgun Related' started by Akita177, May 23, 2014.

  1. Akita177

    Akita177 The Absolute State of Britian podcast

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    Im finding the piston seal a very tight fit, gun was bone dry next to zero lube just some black oil at the end of the comp cyclinder and theres no tophat at all just the spring end agaisnt the piston, though the spring looked good and was finished fairly good.

    Trigger isnt quite a Record Trigger but a quick adjustment gave a good break with no creep and a light pull wieght apears to function very well for a budget gun.

    Another quick observation was it feels like the guns a bit wobbly in the firing cycle do these guns suffer from spring torque?

    what mods have yo guys done to your hatsan 55s?
    Im thinking possible nose extension to short stroke and more importantly lightening the piston as its a very large heavy beast.
     
  2. mattyts

    mattyts Donator

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    Jay5488 kindly fettled mine and fitted a WW kit,miles better.

    My spring had a bit of movement before,noticeable if you shook the gun
     
  3. Tinbum

    Tinbum Delusions of adequacy

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    The 60s I worked on had a single, very tight spring guide, but that was it! I made a two part set with slip washers which worked well to counter the torque. Oldbugger on here has one in his webley stingray mk2 as well. If you have access to a lathe I have the dimensions written down.....
     
  4. Akita177

    Akita177 The Absolute State of Britian podcast

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    Ive seen someone mention using a thrust bearing to fight the spring torque, i weighed the piston and it was 340grams which i feel is too heavy for sub 12ftlb?
    Im suprised at how similar the workings where to an old webley and scott Eclipse and Omega.
     
  5. 177

    177 Donator

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    I lightened the piston in mine, made a top hat and spring guide, a debur and polish here and there, and reassembled with some good lube in the right places.

    Much better.

    Then I tried a cut down Titan mainspring.

    Better again.

    Then I ordered a replacement piston seal and a Welsh Willy kit.

    The seal needed sizing but once that was done and the WW kit installed the gun was totally transformed.

    To roll back a bit though, I could have easily stopped at the top hat and spring guide phase - the lighter piston made a big difference though.

    There's no getting away from the fact that this is a gun designed to run at over 12 FPE...
     
  6. siox07

    siox07 Active Member

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    My advise would be to stick a AWT gas ram in it mate.I did and it transformed the rifle.Very fast sharp straight back firing cycle with no twangs etc and with the barrel shortened and recrowned and a Deben 130 Whisper silencer fitted the rifle was very quiet for a piston rifle.They are very nice quality rifles for the money those Hatsans and with a bit of tinkering with can be great rifles.I have also been told that lightening the piston helps further with the firing cycle but I never did mine.
     
  7. Akita177

    Akita177 The Absolute State of Britian podcast

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    I should have measured the amount of metal from the end/skirt of the piston to the edge the trigger sear latches could you remove some metal for the side the sear enages for a tiny amount of short stoke, probly not worth it though.

    Trying to keep costs down as its going to be an open sighter.
     
  8. secretagentmole

    secretagentmole Low down, dirty and quiet...

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    Seeing as Hatsan make Webley rifles now I wonder where they could have got hold of those???

    The 55 and 60 is basically a much impoved Omega, which is also the Stingray mark 2!

    Also they were designed to conquer foreign shores where feet per second rule and make very good FAC rifles, they are throttled back for the UK market!
     
    Last edited: May 23, 2014
  9. mattw975

    mattw975 Big Poster

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    An improved Omega (Brummie), surely it's not possible !!

    Is taking away the barrel latch design now classed as an improvement ?



     
  10. Akita177

    Akita177 The Absolute State of Britian podcast

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    What size thrust bearing is needed?
    I wonder if its worth putting a thrust bearing on both ends of the spring as my 55 does get a real wobble when fired?
     
  11. Tinbum

    Tinbum Delusions of adequacy

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    You'd be better off with delrin slip washers, or even just a pair of thin steel M10's and a smear of moly at each end. Thrust bearings are a bit hit and miss and would add even more weight into the piston.
     
  12. lone wolf

    lone wolf Pro Poster

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    Interesting thread as i have just ordered myself a 55s and im looking forward to getting it as they seem like a lot of gun for not alot of money.

    Im looking at cutting mine down to a more carbine length,and having a play with the internals.

    Just got to wait a week!

    Gaz
     
  13. Patrick

    Patrick Donator

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    Bought a Mod 55s last week and it does seem very good value for money i.e walnut stock and the rest of the gun appears to be well made and the trigger is very good.I've only put about a 100 pellets through it and haven't touch the internals apart from taking the action out of the stock and putting a couple of drops of lube on the inside of the cylinder and a bit of grease on the spring through the cocking slot.It's smooth to cock with no graunchy noises and no spring twang on firing and at the moment I'm just trying different pellets,got 20 bisley superfieds inside a circle the size of a 1 pence piece at 10mtrs outside on a breezy day.I'm sure these guns could be made to shoot really well with a bit of fettling & TLC.Depending on what part of the country you live in you can buy two of these for price of one HW 99 and wont have any galling problems.I know what I'd prefer.
     
    Last edited: May 24, 2014
  14. secretagentmole

    secretagentmole Low down, dirty and quiet...

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    Ow, the HW fanboys won't like that!
     
  15. Ichabod Armacost

    Ichabod Armacost Donator

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    Well I got a Hatsan built Webley Longbow SE .22, what can I say? No twangs, no boings, no horrible graunchy noises when I cock it, he shoots lovely. The only minor gripe I have is that I have to give the end of the barrel a good twatting to get it to break.:D

    Of course the upshot of that is that the barrel to cylinder fit is very good, and I like the detent bolt arrangement. The build quality is superb, the walnut stock is a thing of beauty, the blueing on the metal work looks very well executed. Other than my Longbow, I have no experience of Hatsan rifles at all, but the longbow is anything to judge by, Hatsan make a very nice rifle! I do quite fancy the Dominator 200W but I will wait to see one in the flesh before I make me mind up on that one.

    Just my two pennarth.................
     
    Last edited: May 24, 2014
  16. Patrick

    Patrick Donator

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    They may not like it but the truth sometimes hurts.Why would you buy a gun that costs twice as much and has a beech stock not walnut and an inherent problem with the cocking linkage as well as being a bit twangy from what I've read on here :confused: The polishing of the metalwork on the outside may not be quite as good as HW but I can live with that especially if I'm saving a hundred quid.
     
    Last edited: May 24, 2014
  17. mattyts

    mattyts Donator

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    I love my Hatsan but would love it 10 times more if I could put the ball detent from my Th208 onto the hatsan so I didn't have to get a run up to break the barrel.
     
  18. Patrick

    Patrick Donator

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    Ball detents are easier to break but in imo are not as positive but there again I'm no expert
     
    Last edited: May 24, 2014
  19. mattyts

    mattyts Donator

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    I don't need it to be positive,just secure,ball detents do that for me.
     
  20. Akita177

    Akita177 The Absolute State of Britian podcast

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    My advise to anyone getting a 55s is before you shoot it strip it clean it then re-grease/lube, as out the box there dry and dont shoot nice till fully relubed.
    I dont buy into the Turkish walnut thing most are a plain wood with a stain, breaking the barrel is a ballache but on the plus side i hope it gives a good lock up.

    Second outing with gun today after being relubed and the gun is transformed shoots lots better with a couple more tweaks to the internals i will be very happy.
     

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