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Re springing an airsporter on your own

Discussion in 'Anything Airgun Related' started by Meteor62, Mar 27, 2014.

  1. Meteor62

    Meteor62 Major Poster

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    Always told the only way to do this was with a sash cramp due to the awkward shaped trigger block but I just done it with no aid at all apart from some tea towels to help me grip and not get big dents in my hands.
     
  2. Tripleteer

    Tripleteer Donator

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    It all depends on how strong a spring you install!! atb Paul.
     
  3. Meteor62

    Meteor62 Major Poster

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    I put in an ox and half a Titan for good measure!!
     
  4. Deejayuu

    Deejayuu Donator

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    It's the pre-load that stuns more than spring rate :rolleyes:
     
  5. whitevanman574

    whitevanman574 bell target champion

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    hmmm had a mercury not so long back it had an ox in it , them ox springs wreck old airguns mate ,take it out and bin all that stress on the old gun it does not need .

    get an original spring ,use a towel and get it in ,I have never needed anything else :D
     
  6. Meteor62

    Meteor62 Major Poster

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    Lol I was kidding about the ox and the Titan I fitted a bog standard spring in it as I don't think the BSA's were built for super dooper springs.
     
  7. SteveO

    SteveO Top Poster

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    I have a box of titan and other various springs if you ever need one, or fancy a play with different types.
     
  8. Meteor62

    Meteor62 Major Poster

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    Thanks, I do have a Titan one here it's a fair bit longer than the standard one and I fear may over spring the gun. I'm not a fan of titan
     
  9. gixxer

    gixxer Posting Addict

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    I remember stripping a mk 6 ,that had a Titan with tons of preload.scarey or what done by hand with base stuck in a work mate between leather to protect it.why people over spring rifles .
    boing
     
  10. SteveO

    SteveO Top Poster

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    Mine are cut and refinished in differing lengths, remnants of my 99 tuning exploits.
     
  11. Barcelona68

    Barcelona68 Banned

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    You have to cut it to size. As the springs are made for various rifles, they come oversize.

    I'm a big fan of Titan springs. They're as good as V-Mach.
     
  12. Meteor62

    Meteor62 Major Poster

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    Can someone explain the spring cutting process? I hear it can be done on a kitchen gas cooker
     
  13. jay5488

    jay5488 Donator

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    Hmmmmm now that's got me thinking I may have to pull the std spring from my Hanmerli....... You may have a pm soon.....
     
  14. gixxer

    gixxer Posting Addict

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    No easy way,I used a dremil to cut through a coil in such a place so as it will once collapsed again pig tail will meet up with the coil underneath ,really cut it inline with the pig tail end as factory finished.
    then heat the coil enough to be able to manipulate it back flat at the end ,I then use a dreamily disc to flatten end but finish off with jewellers files ,oil and stones then wet n dry and oil before polishing like glass with solvo
    As a guide steel need to be just turning to a red colour to bend it but you don't want to keep heating and cooling as it isn't advisable for strength .so best practiced on scrap spring until you can do it first time. And only apply heat to the coil needing manipulating or half coil either side of the bend if you get my meaning.
    and don't re temper it they go brittle .
    But yes great springs
    just to add I use a gas blow torch
     
    Last edited: Mar 27, 2014
  15. alb38

    alb38 Engaging Member

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  16. SteveO

    SteveO Top Poster

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    Cut the necessary amount of coils off with a Dremel, hacksaw, whatever.... Heat the last couple of coils up until red hot and push against a firm non flammable (I use a piece of 6mm plate glass) surface and compress the end coil against the next, quench in oil (optional), Grind the end of the spring flat and polish so that it can rotate nice and smoothly when fitted.

    Can take a while to get the power right when you use a full size uncut spring!
     
  17. SteveO

    SteveO Top Poster

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    When you're ready let me know what size you need, if I have it you can have it! ;)
     
  18. goatboy

    goatboy Engaging Member

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    I had to lob off 3 coils on for my .22 Mercury when i fitted a Titan spring, and there was still a fair bit of stiff pre load. 3 coils and a long stroke were the difference between an air rifle that nearly knocked my dentures out and one that is a really accurate consistant joy to fire, it was putting out 10.5 ft/lb and still needed to bed in as the piston O ring seal was pretty tight. I would love to come across an old Airsporter to fix up at some point, as i love the way the trigger block flows into the stock on these old BSA's. Please Mr Meteor 62, i would love to see some progress updates of how you get on with your Airsporter. atb
     

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