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Death Of The Frankenbumper

  1. Stewart H Honorary NJ Resident Dec 9, 2012

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    The French Franken is no more but I now have almost a whole 133.8 in donor parts - everything except for one dial screw, one screw from the winding mechanism and the base plate.

    Dr Frankenstein had really gone to town getting this one into its new case. There were six places on the base plate where it had been damaged or filed to get it to fit. For those new bumper owners, I took some pictures to show you what the oily bits look like.

    Uncased, hands and dial off (plus two screws before I decided to take pictures)
    DSC00540.jpg

    The setting mechanism
    DSC00541.jpg

    Turned over, this is what it looks like whole
    DSC00539.jpg

    The bridge for the oscillating weight removed
    DSC00542.jpg

    The weight removed
    DSC00543.jpg

    The balance cock removed
    DSC00544.jpg

    That is one big, awkward shaped bridge removed. I suspect it will be an act of great patience to replace when I get onto the Chronometre
    DSC00545.jpg

    Same view, turned through 90 degrees
    DSC00548.jpg

    So that's where the mainspring is hiding
    DSC00549.jpg

    Barrel removed, just the wheels, palet & bridge and that seized screw holding the flat spring on the left.
    DSC00550.jpg
     
    MMMD and LouS like this.