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Thread: BSA Standard repairer needed

  1. #1
    Join Date
    Aug 2005
    Location
    Doncaster
    Posts
    2,365

    BSA Standard repairer needed

    Does anyone on here get a bit deeper involved in the repair of standards, as I need a CS re-cylindering or repaired where it has cracked on the cylinder just in front of the trigger.

    I might have a go myself but I am short of time at the moment, finishing my new build house for one thing and working a 50 hour week on top.

    Obviously it it will probably need a cylinder from a bitted parts one with the same length cylinder.
    I think if I remember correctly the cylinder is soldered to the tap/barrel?

    Any help or suggestions would be gratefully accepted. I am a mechy engineer with my own lathe, so could do it when I have a bit more time, but its annoying me that its sat there not really being able to use it. It has already been reblued (not by me) so I dont mind about patina or finish on this one.
    BASC

  2. #2
    Join Date
    Feb 2021
    Location
    wrexham
    Posts
    121
    drill a hole after the crack so it doesnt go elsewhere

  3. #3
    Join Date
    Aug 2005
    Location
    Doncaster
    Posts
    2,365
    It already has gone elsewhere, It is not a straight line crack.
    It has cracked in a T shape when I have just looked again. It comes from between the trigger guard screws and splits out both ways for about 6 or 8mm

    It has been used with the trigger block properly tightened, and the stress cocking it with the trigger block into the cylinder loose has eventually broken the cylinder

    It was like this when I bought it and I didnt notice it. I felt it was a bit loose and presumed the stock bolt needed tightening up so I didnt worry much about it.
    Last edited by DEAN C.; 10-06-2021 at 07:11 PM.
    BASC

  4. #4
    Join Date
    May 2008
    Location
    Southampton
    Posts
    428
    Weld it and be prepared to clean out any over penetration in the lathe. If it's a big lathe you can mount it with the barrel up the spindle bore. Four jaw will be essential for perfect concentricity. If the machine isn't big enough , unsolder and detach the cylinder and use the fixed steady.
    Or get hold of that replacement cylinder. It's not a five minute job whichever way you go at it.

    Atb Mark

  5. #5
    Join Date
    Aug 2005
    Location
    Doncaster
    Posts
    2,365
    Quote Originally Posted by Farsight View Post
    Weld it and be prepared to clean out any over penetration in the lathe. If it's a big lathe you can mount it with the barrel up the spindle bore. Four jaw will be essential for perfect concentricity. If the machine isn't big enough , unsolder and detach the cylinder and use the fixed steady.
    Or get hold of that replacement cylinder. It's not a five minute job whichever way you go at it.

    Atb Mark
    Thanks Mark, I think the TIG route and lathe might be easiest as I can get the barrel in the headstock ok.
    BASC

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