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Thread: Double springs Anyone Tried them??

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  1. 31-07-2009, 09:53 PM #1
    Mr.22
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    Thumbs up Double springs Anyone Tried them??

    I was on Trobb's site and i clicked on the tuning section and came across a set of springs each half the size of a normal spring you combine them to become one spring. The beauty of them is that they are coiled one left and one right so that there is no twisting friction which is supposed to make the gun smoother and more powerful. Has anyone tested these ??
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  2. 31-07-2009, 10:05 PM #2
    Raygun
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    BSA tested this type of spring in the early 1900's. They were fited to BSA's up to WW2

    Nothing new in airguning

    Anyway, welcome to the BBS.

    ATB
    Ray.
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  3. 31-07-2009, 10:08 PM #3
    pennineway.fswo
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    2 springs

    2 springs wound in opposite directions have also been used to good effect by feinwerkbau in their match rifles 300S/SU
    john
    hold me back !!
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  4. 31-07-2009, 10:10 PM #4
    R. P. McMurphy
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    Dident Relum do this in their Tornado???
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  5. 31-07-2009, 10:12 PM #5
    Andrew Richards
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    I have 2 springs,one inside the other on my Relum Telly.
    http://i231.photobucket.com/albums/e...n_edited-1.jpg
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  6. 31-07-2009, 10:56 PM #6
    Neil.'s Avatar
    Neil.
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    Quote Originally Posted by R. P. McMurphy View Post
    Dident Relum do this in their Tornado???
    Yup
    Double concentric springs, according to "Great Universal Catalogue" circa 1975...
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  7. 31-07-2009, 11:17 PM #7
    BTDT
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    Quote Originally Posted by Neil. View Post
    Yup
    Double concentric springs, according to "Great Universal Catalogue" circa 1975...
    Twin concentric springs for extra cocking effort with no discernible increase in muzzle velocity.
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  8. 01-08-2009, 10:57 AM #8
    mallyally
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    Quote Originally Posted by Neil. View Post
    Yup
    Double concentric springs, according to "Great Universal Catalogue" circa 1975...
    concentric means around the same centre they are one INSIDE the other on a RELUM
    just saying like
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  9. 01-08-2009, 12:07 PM #9
    carld41
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    Taurus

    Quote Originally Posted by R. P. McMurphy View Post
    Dident Relum do this in their Tornado???
    My Relum Taurus had one
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  10. 01-08-2009, 04:59 PM #10
    mallyally
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    Quote Originally Posted by R. P. McMurphy View Post
    Dident Relum do this in their Tornado???
    NO/ NOT YUP they were concentric on RELUMS thats a different thing
    i have been told to inform you
    Last edited by mallyally; 01-08-2009 at 05:33 PM.
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  11. 01-08-2009, 06:00 PM #11
    Neil.'s Avatar
    Neil.
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    Quote Originally Posted by mallyally View Post
    NO/ NOT YUP they were concentric on RELUMS thats a different thing
    i have been told to inform you
    Better give Beety a nudge as well then...
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  12. 31-07-2009, 10:14 PM #12
    ateallthepies
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    http://www.trobb.f9.co.uk/

    Would the springs need a very slippery joint between them to get any benefit??? Otherwise to my figuring, two opposing springs pressed against each other and released would generate a great amount of friction at the join and while not creating any clock/anticlockwise twist, would still cause some sort of jolt??

    Steve.
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  13. 31-07-2009, 10:19 PM #13
    Graham2
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    If they were such a good idea, all manufacturers would use them!
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  14. 31-07-2009, 10:28 PM #14
    Mr.22
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    Question

    Well i was gonna breathe some new life into my webley vulcan i thought these would be a good idea but if theyre not what is the best spring over a standard one and why does everyone hate Ox springs
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  15. 31-07-2009, 10:46 PM #15
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    barrel
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    Quote Originally Posted by Graham2 View Post
    If they were such a good idea, all manufacturers would use them!
    It could all be down to costs at the end of the day and not just performance.

    Regards

    Barrel
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