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Thread: 1947 Biederman Truck Fender Repairs

  1. #11
    Registered Member MP&C's Avatar
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    Fender filler panel Number 2 is complete..


    https://www.youtube.com/watch?v=7uvnvZTTEbs




    Fender patch is getting closer...




    Robert



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  2. #12
    Registered Member MP&C's Avatar
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    Final tweaks ..... clamped and marked with a scribe..





    Trimming out the rust...



    14 ga rated Milwaukee shear walks right through...



    Trimming around the wired edging, careful not to nick it. The wrapped sheet metal is opened slightly using the door skin pliers..







    With the sheet metal loosened from the wire, a slight twist will break the sheet metal at the score even not having cut through to the wire.





    This outer section will become a template for the radius on the new patch.



    Trimmed....



    Fitted....



    Saturday Kyle will get the old metal media blasted next to the weld seam so we can fire up the TIG welder..
    Robert



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  3. #13
    Registered Member chevynut's Avatar
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    Nice work Robert. The underside still looks pretty pitted to me, is it all like that? Why is that patch so shiny? Looks almost like polished stainless.
    56 Nomad, Ramjet 502, Viper 6-speed T56, C4 Corvette front and rear suspension

    You can see my 56 Nomad build here http://www.picturetrail.com/chevynut

    For affordable C4 Corvette Suspension conversions for your car, visit http://www.classicedgedesigns.com

    Other vehicles:

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    56 Chevy 210 4-door sedan
    57 Chevy 210 4-door sedan
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    2001 Porsche Boxster S
    2003 Chevy Silverado 2500 HD Duramax

  4. #14
    Registered Member MP&C's Avatar
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    That's the finish that polished wheels on the wheeling machine leave on the panel. They are 16 gauge cold rolled steel..
    Robert



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  5. #15
    Registered Member MP&C's Avatar
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    Time to break out the TIG welder. The new stumps for the upcoming metalshaping class work well as a welding table. The patch is securely clamped from inside to outside to get an accurate marking for tipping the fold around the wire.



    Flexible Spline is used to carry the opening mark down the patch...



    Tacked in with the TIG













    Next we'll wrap the wire and trim the front edge to size.
    Robert



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  6. #16
    Registered Member MP&C's Avatar
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    The shop is hosting another Peter Tommasini class this year, one of the items to pass out to the attendees will be some of the rare earth magnets that we use. I just got my delivery in yesterday, these are Cup-26 magnets from Applied Magnets, they have a 65 lb pull. We use them for holding paper patterns to wheel wells during test fit to copper strip for welding backer..





    We install a csk 10-32 and lock nut to act as a handle, and they are ready to use...









    John has been assembling parts of the Biederman truck front end while waiting for the fender completion. He mocked up the hood the other day only to find out it didn't fit the cab as it should.





    It looks like the cab is wider than the hood, as the radius does not match and it's pushing the hood outward and up....












    To explain, this is a 1947 truck that had extensive rust in the cab. He found a cab on a newer truck, 1951 IIRC, that was made by the same company. It now appears the newer replacement cab is slightly wider than the original, so our intended option is to cut a slice from back to almost the front and add a pie slice to push the radius out and the beltline down where it belongs. Looks like an easier option than remaking the hood. Something else to add to the list. Just to make sure the wider cab doesn't affect fender fitment, we also mocked up the lower hood side and clamped the tapered filler panels and took a comparison measurement from the outside edges, front and back.














    So we have just shy of 3/8 more in the back, or 3/16 pushed outward on each side. I think we can live with that, it likely is well within factory tolerance.. More to come..
    Robert



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  7. #17
    Registered Member MP&C's Avatar
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    Well, I need to make a little progress on a 16 gauge fender, so the highly precise stand for the Laser Level was used. We have about 13-3/4" difference in height from back edge of fender to front edge. So Laser is set at 13-3/4 above the table, with heights verified to all four corners of the table.



    Prior to trimming the front of the fender we had measured some reference marks to the front edge for locating the new cut line..



    Adding those lower edge marks back on our fender patch, we adjusted the height of the fender front for the laser to match those marks by sliding our jack stand fixture around inside the fender until we had the correct height. Hey, this is technical stuff!





    And traced the laser mark with the sharpie...



    Initial cut to remove the bulk was done with the Milwaukee shear, the final was done with Midwest Shears. I figured slower = more precise...



    Robert



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  8. #18
    Registered Member MP&C's Avatar
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    Doing a test fit of the Biederman fender....



    Was going to do a little bit of touch up on the front weld seam, needs more shape..
    The fender spans about 53" at the bottom, where it wouldn't fit in the wheeling machine sitting on the floor. We added a lift kit under the legs, except for one which needed to be open under the leg..



    in process....

    https://www.youtube.com/watch?v=IvsAkBLlG2o

    Needed to wrap the wire edge....



    Note the genuine John Deere anvil...



    The flange was hammered over using various hammers and dollies (anvils) with the final wrap tightened up with a pair of vise grips modified with smooth jaws...





    Robert



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  9. #19
    Registered Member chevynut's Avatar
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    Those are some nasty looking vise grips! Looks like a fish I saw in the ocean.
    56 Nomad, Ramjet 502, Viper 6-speed T56, C4 Corvette front and rear suspension

    You can see my 56 Nomad build here http://www.picturetrail.com/chevynut

    For affordable C4 Corvette Suspension conversions for your car, visit http://www.classicedgedesigns.com

    Other vehicles:

    56 Chevy 2-door BelAir sedan
    56 Chevy 210 4-door sedan
    57 Chevy 210 4-door sedan
    1961 Willys CJ3B Jeep
    2001 Porsche Boxster S
    2003 Chevy Silverado 2500 HD Duramax

  10. #20
    Registered Member MP&C's Avatar
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    The chrome is still there, it's mainly just peeling paint.....


    The teeth on the jaw was just about worn down, so they were ideal candidate for a vise grip mod....
    Robert



    MP&C Shop Projects-Metalshaping Tutorials


    Instagram @ mccartney_paint_and_custom


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