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Thread: FWB Sport Spring Spec

  1. 10-10-2009, 11:26 AM #1
    Carl
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    FWB Sport Spring Spec

    Can someone please let me have the spring spec for the FWB Sport MK1 127 .22
    As POK can supply a spring if I can let him have the specs
    Many thanks
    Carl
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  2. 10-10-2009, 03:55 PM #2
    mallyally
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    Quote Originally Posted by Carl View Post
    Can someone please let me have the spring spec for the FWB Sport MK1 127 .22
    As POK can supply a spring if I can let him have the specs
    Many thanks
    Carl
    OAL 12 1/2"
    OD 20.87 mm mm
    Wire dia 3.05 mm mm
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  3. 10-10-2009, 04:07 PM #3
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    TopDog
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    Quote Originally Posted by mallyally View Post
    OAL 12 1/2"
    OD 20.87 mm mm
    Wire dia 3.05 mm mm
    And how many coils please?

    ATVB
    David
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  4. 10-10-2009, 04:26 PM #4
    mallyally
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    Quote Originally Posted by TopDog View Post
    And how many coils please?

    ATVB
    David
    40 its a big ole spring
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  5. 10-10-2009, 04:48 PM #5
    Carl
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    Cheers for the info...
    Regards
    Carl
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  6. 11-10-2009, 06:30 AM #6
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    TopDog
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    Quote Originally Posted by mallyally View Post
    40 its a big ole spring
    Thanks for confirming that; Yep, it's a BIG spring!

    ATVB
    David
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  7. 11-10-2009, 08:10 AM #7
    Gareth W-B's Avatar
    Gareth W-B
    Gareth W-B is offline Retired Mod & Airgun Anorak Extraordinaire
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    Quote Originally Posted by TopDog View Post
    Thanks for confirming that; Yep, it's a BIG spring!
    ... and imo a complete PIG to change without a compressor. . Atb: G.
    _______________________________________________

    Done my bit for the BBS: http://www.airgunbbs.com/showthread....-being-a-mod-… now I’m a game-keeper turned poacher.
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  8. 12-10-2009, 10:48 AM #8
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    POK!
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    Could try something shorter with a 3.2 wire like the JM springs. What's the rear plug/guide OD?
    HW100/Ginb .177, Maccari/Longbow Walnut .177,
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  9. 12-10-2009, 12:58 PM #9
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    Quote Originally Posted by Gareth W-B View Post
    ... and imo a complete PIG to change without a compressor. . Atb: G.
    Totally agree! I don't change any springs without my compressor, that way it leaves one hand totally free and no heart attack! Safety first in all these things!

    Happy air-gunning
    ATVB
    David
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  10. 12-10-2009, 01:02 PM #10
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    Quote Originally Posted by POK! View Post
    Could try something shorter with a 3.2 wire like the JM springs. What's the rear plug/guide OD?
    Experiment away but please share your findings with us!

    Guide diameter was 14.0mm and piston I/D was 22.1mm on my FWB124.

    ATVB
    David
    Last edited by TopDog; 12-10-2009 at 01:07 PM. Reason: added dim
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  11. 12-10-2009, 06:45 PM #11
    Carl
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    I took my FWB apart yesterday using a hastily made compressor
    The innards were in very good condition
    I'll measure my guide later if i can find my calipers
    My air tube and barrel need rebluing so I'll pop in to SFS and see Tony about sorting this
    I'll happily try a spring POK! and post the results when I get the metalwork sorted
    I have a new piston washer and breech washer from Vic Thompson
    Regards
    Carl
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  12. 12-10-2009, 07:35 PM #12
    mallyally
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    Quote Originally Posted by Carl View Post
    I took my FWB apart yesterday using a hastily made compressor
    The innards were in very good condition
    I'll measure my guide later if i can find my calipers
    My air tube and barrel need rebluing so I'll pop in to SFS and see Tony about sorting this
    I'll happily try a spring POK! and post the results when I get the metalwork sorted
    I have a new piston washer and breech washer from Vic Thompson
    Regards
    Carl
    if you do have it reblued remember to remove the blue from ( inside the cylinder )
    it ruins the performance blued i have found
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  13. 12-10-2009, 09:16 PM #13
    red bob
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    spring change

    there are two things still give me nightmares after all these years the second worst was admitting to my wife i had accidently put her £90 cardy in the hot wash the result a garment suitable for an undersize dwarf ,the first slowly pushing my new titan 124 spring back into its home with an oversize sashclamp totaly unsuitable but "needs must the devil drives" as they say so take care!!.
    [FWB124s]-[ORIG45]-[relum rescue ctr]
    I CAN RESIST EVERYTHING EXCEPT AN FWB,
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