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Thread: 14x20 camera build

  1. #21

    Join Date
    May 2006
    Location
    Wondervu, Colorado
    Posts
    1,080

    Re: 14x20 camera build

    I got the mahogany veneer for the spring back ripped, chopped, and cemented into place. Came out rather well, I think.

    Also glued the 1/4 deep light trap onto the inside of the back.

    I've got one more piece to chop and glue in to finish off the rib channel, then I'll move on to the rear frame fabrication until time to circle back with flat black paint for the inside and finish coats on the mahogany.

    Progress.
    Attached Thumbnails Attached Thumbnails IMG_0617.jpg   IMG_0621.jpg   IMG_0622.jpg   IMG_0623.jpg  

  2. #22

    Join Date
    Feb 2008
    Posts
    120

    Re: 14x20 camera build

    Looking good !!!

  3. #23

    Join Date
    May 2006
    Location
    Wondervu, Colorado
    Posts
    1,080

    Re: 14x20 camera build

    Thanks!

  4. #24

    Join Date
    May 2006
    Location
    Wondervu, Colorado
    Posts
    1,080

    Re: 14x20 camera build

    Finished the ground glass frame! This took a little while--it is five layers thick, two 1/8th and one 3/32 to get the correct T depth under the GG, then 1/16th and 1/32 mahogany veneer to fit around the acrylic GG. The bottom three layers each have 9 pieces and each layer overlaps the joints on the layer below. I stained the bottom four layers of basswood red mahogany before gluing.

    I screwed up--lost track of all the little pieces--and made the right side 1/4 too wide by using 1/4" pieces I had designed to go on the left side, and had to fill in 1/4 on the left. Based on reported film rebates, I think this will not only be ok (it still leaves a L-R opening of 16 11/16), it will actually be better than my original design b/c it will give more support for the big GG.

    During the glue-up, I used spring clamps and a melamine shelf to keep the frame flat and covered the melamine with kraft paper to absorb any glue squeeze out. After about 10min, the excess glue can be scraped off with a nylon putty knife.
    Attached Thumbnails Attached Thumbnails IMG_0632.jpg   IMG_0633.JPG   IMG_0634.JPG   IMG_0637.JPG  
    Last edited by Michael Roberts; 15-Sep-2020 at 07:18.

  5. #25
    Tin Can's Avatar
    Join Date
    Dec 2011
    Posts
    14,718

    Re: 14x20 camera build

    Excellent!

    I also found off the shelf hobby woods that stack up for correct GG
    sin eater

  6. #26
    LF/ULF Carbon Printer Jim Fitzgerald's Avatar
    Join Date
    Aug 2007
    Location
    Vancouver Washington
    Posts
    3,739

    Re: 14x20 camera build

    It is an easy way to do it. A little more time consuming for this very important step. I've done this in the past as well.

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