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  1. #1
    Elitest Murray Owner Mos6502's Avatar
    Join Date
    Apr 2006
    My Bikes
    1972 Columbia Tourist Expert III, Columbia Roadster
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    Who has built an internally brazed frame?

    I'm interested in hearing about this.

    For instance as seen on this peugeot:

    Or this Columbia:

    The brazing was done on the inside of the joints rather than the outside. So the joint is very sharp on the outside.

    Is there any advantage to brazing a frame this way? Was it just done for looks? Has anybody here built a frame this way?

  2. #2
    Andrew R Stewart Andrew R Stewart's Avatar
    Join Date
    Feb 2012
    Rochester, NY
    My Bikes
    Stewart S&S coupled sport tourer, Stewart Sunday light, Stewart Commuting, Stewart Touring, Co Motion Tandem, Stewart 3-Spd, Stewart Track, Fuji Finest, Raleigh Pro, Trek Cycle Cross, Mongoose tomac ATB, GT Bravado ATB, JCP Folder
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    This internal brazing is usually done with a shaped insert of filler placed in the joint. Then when heated the filler flows and fills the joint. Production speed and less human involvement is the reason to do this. Andy.

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