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1941 Diamond-T double cab build

Discussion in 'The Antiquated' started by scotty449, Dec 14, 2009.

  1. -Brent-
    Joined: Nov 20, 2006
    Posts: 7,551

    -Brent-
    Member

    I'm so glad to read you'll be squaring up the doors. This truck will look pretty cool... will there be a hot rod in your future? Do you have one already?
     
  2. general gow
    Joined: Feb 5, 2003
    Posts: 6,444

    general gow
    MODERATOR
    Staff Member

    the 8 ft bed is a must. the fenders look good too. you might be able to get away with the bed being a little narrower than the cab if the resulting wider fenders wouldn't look wonky. but i dunno. it's gonna be cool regardless.
     
  3. 28dreyer
    Joined: Jan 23, 2008
    Posts: 1,166

    28dreyer
    Member
    from Minnesota


    You may find these pix of interest.
     
  4. 28dreyer
    Joined: Jan 23, 2008
    Posts: 1,166

    28dreyer
    Member
    from Minnesota

    You might find these pictures of interest
     

    Attached Files:

  5. scotty449
    Joined: Dec 8, 2008
    Posts: 192

    scotty449
    Member
    from SoCal

    Nice Ford COE build, it's clean and right. And there's some funky exhaust routing! BTDT, see attached pic of turning the exhaust away from the Diamond-T cab.
     

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  6. scotty449
    Joined: Dec 8, 2008
    Posts: 192

    scotty449
    Member
    from SoCal

    Yeah, I think the doors look "right" when square- seen both factory crew cabs as well as modern rods with suicide slanted doors.

    Hot rod: Eventually. Once I get this done (already 2.5 years long project) then there's a Triumph Spitfire that needs a drivetrain swap completed and two Messerschmitt KR-175's that need building.

    After that I'd like to come back to the Diamond-T sheet metal collection I've got and build a roadster. Long nose, 2 seats in the rear, boattail with plenty of swoopy fenders. The 37 Talbot Lago T150 is an inspiration.
     
  7. scotty449
    Joined: Dec 8, 2008
    Posts: 192

    scotty449
    Member
    from SoCal

    Would like to make it look right even if it isn't a "standard" size anymore. A bit wider isn't a bad thing either, more usable space. If a shell/top is needed I'll scratch one similar to my friend's vintage unit:
     

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  8. O.Hove
    Joined: Feb 12, 2006
    Posts: 772

    O.Hove
    Member Emeritus
    from S.D.

    Looking good
    Look at mid 40's White front fenders.
    Turn them backwards, for rear fenders. Art deco.
     
  9. john walker
    Joined: Sep 11, 2008
    Posts: 1,139

    john walker
    Member

    i used front fenders from a 509. cut along the peak line, cut 7" from the less curved area in the center, added 6" to the inside, hammered out a new opening with a rounded lip and welded that in, and shrinked/stretcher for the mounting flanges.
     

    Attached Files:

    41 GMC K-18 and alanp561 like this.
  10. john walker
    Joined: Sep 11, 2008
    Posts: 1,139

    john walker
    Member

    more
     

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    41 GMC K-18, alanp561 and Gojeep like this.
  11. Locomotive Breath
    Joined: Feb 1, 2007
    Posts: 708

    Locomotive Breath
    Member
    from Texas

    Nice work John, your giving me a few ideas for mine.
     
  12. scotty449
    Joined: Dec 8, 2008
    Posts: 192

    scotty449
    Member
    from SoCal

    John,

    Thanks for the in-process pictures, very helpful. As my tires are ø41.5" I won't need to add the inner lip- that's a ton of work and your results look fantastic!

    And now I understand why your fenders look right with the "smaller" rims.

    What did you do for the inner 90° flange? And how do the fenders attach to the bed?
     
  13. scotty449
    Joined: Dec 8, 2008
    Posts: 192

    scotty449
    Member
    from SoCal

    More CAD work, got the bed framing laid out. Exterior is sheeted with .070 steel over a 1"x2" steel framed bed. Bed will be wood with stainless T channel between the boards.

    10° angle on the tailgate, thinking now that angle should run all the way down the skirt as it looks a bit odd with the flat in the rear. Wasn't planning on a rear bumper.
     

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  14. woodman
    Joined: May 21, 2006
    Posts: 106

    woodman
    Member

    Damn! I love those Diamond T's. I have a Diamond T race truck that I am seriously considering a rebuild for the street.
     

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  15. flynbrian48
    Joined: Mar 10, 2008
    Posts: 8,483

    flynbrian48
    Member

    .

    10° angle on the tailgate, thinking now that angle should run all the way down the skirt as it looks a bit odd with the flat in the rear. Wasn't planning on a rear bumper.[/QUOTE]

    Just my 2 cents, but that might be TOO flat and angular looking. The proprotions of your truck are much bigger than mine, but I think the rolled pan breaks up the rear, softens up the rear, and matches the roll at the top of the cab and hood tops. It's gotta have some curves somewhere. Or, I could be totally wrong!:D
     

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  16. scotty449
    Joined: Dec 8, 2008
    Posts: 192

    scotty449
    Member
    from SoCal

    Brian,

    That is a nice roll at the bottom there. Looks to be about 4" radius or so? Would finish my bed nicely, thanks for the idea.

    The main purpose of this vehicle is for towing, so the receiver is gonna come out down there. It'd be cool to have a little door panel that covers the hitch when not in use...

    Another issue to sort are running boards. For sure between the fenders, I might do something as a step in back of the rear one. Use the stock radius (pictured) to blend back into the bed side.
     

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  17. Those trucks are some of the prettiest ever made. I'll be watching this one with great interest. Nice work!
     
  18. john walker
    Joined: Sep 11, 2008
    Posts: 1,139

    john walker
    Member


    if you look at the top center of the last 4 pictures i posted, you can see the mounting lip tacked in. i used an 8ft long by 3" wide 18ga strip and bent it 90° down the center. trace the curve of your fender on something like plywood and use a shrinker/stretcher until it matches the curve. i did the same in the front where it bolts to the running board.
     
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  19. flynbrian48
    Joined: Mar 10, 2008
    Posts: 8,483

    flynbrian48
    Member

    My truck had short running boards as it was a flatbed. These ended at the edge of the cab. My intital plan was to shape the ends like yours, then makea separate r'board for the box. However, I saw a 40's era Dodge which has factory two piece boards like that, and it looks sorta chopped up. Apologies to Dodge owners reading this thread...

    My solution was to brake a piece of 18ga with the same profile as the original r'board, and weld this to the original board. The back of the board I fitted to the rear Auburn fenders, the result I think is pretty cool. I plan on using black self adhesive body side molding to mimic the original rubber step strips, which are reproduced buy sorta pricey. Here's some photos.
     

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  20. fab32
    Joined: May 14, 2002
    Posts: 13,985

    fab32
    Member Emeritus

    One thing about those Diamond-T's, they have an awesome presence. Your's is going to be a great example.

    Frank
     
  21. I love those Diamond T's. I used to have a '48. I don't remember what model but it was 1 1/2 ton with flatbed. That is one vehicle I wish I'd never got rid of.

    Good work gentlemen. I'll be following this thread with interest.
     
  22. Frankie47
    Joined: Dec 20, 2008
    Posts: 1,877

    Frankie47
    Member
    from omaha ne.

    No offense taken, your boards are awesome..you know that 2 boards allow the body to flex and sway without inducing cracks like you get with a single board, it just looks shitty.
    If you use some rubber isolaters at the mounting points there shouldn't be any stress cracks.
     
  23. 47Ford - 1.5Ton
    Joined: Apr 22, 2009
    Posts: 116

    47Ford - 1.5Ton
    Member

    Oh man....

    You know I like this build. In hindsight... I'm probably just the 'lil bro' of your truck.

    ~Lil Brother~
    1947 Ford 1.5 Ton running a Cummins 4 cylinder 4BT on 19.5" Commercial truck tires.

    Awesome work.. awesome truck.


    ~M
     
  24. flynbrian48
    Joined: Mar 10, 2008
    Posts: 8,483

    flynbrian48
    Member


    Thanks. The Diamond T frame is VERY heavy wall, deep C channel with a deep X member. It looks like it'll be much less flexible than a ladder type frame, so I'm hoping my boards won't crack and tear, since they're mounted to the front fenders, cab, and bed. We'll see.
     
  25. flynbrian48
    Joined: Mar 10, 2008
    Posts: 8,483

    flynbrian48
    Member

    Fords wanna be Diamond T's when they grow up!;)
     
  26. scotty449
    Joined: Dec 8, 2008
    Posts: 192

    scotty449
    Member
    from SoCal

    Good point on stress cracks- the original cab has plenty. Planning to make the running boards a single floating section, with fender welt between it and the fenders, rubber washers on the outriggers to the frame. Might not be enough flex though.

    I've been using neoprene backed washers for mounting lots of the sheetmetal parts, thinking that it will allow a bit of give in the assembly. The frame on this truck is the "H" (heavy) model, which means 1/4" thick plate steel welded and riveted to the standard C channel.

    On the cab, I ordered some die springs to use to flexi-mount it to the frame...
     
    Last edited: Jan 13, 2010
  27. scotty449
    Joined: Dec 8, 2008
    Posts: 192

    scotty449
    Member
    from SoCal

    Here is a 3D pic to throw out there... 3" roll pan on the bottom might not be enough radius. 10° sweep to the bottom of the roll looks right.
     

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  28. scotty449
    Joined: Dec 8, 2008
    Posts: 192

    scotty449
    Member
    from SoCal

    I've put together a set of drawings for the bed framing. Mostly 1x2 channel, with some 1x1 thrown in. Will sheet over the sides after it's together, still trying to figure out the bead roll path.

    Should be pretty simple fabrication, with the exception of a few rounded corners.

    Was thinking to do 1x6 or 1x8 wood slats for the bed floor above the framing.
     

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  29. 47Ford - 1.5Ton
    Joined: Apr 22, 2009
    Posts: 116

    47Ford - 1.5Ton
    Member

    Maybe I can help you out from another build on here thats similar....

    Take a look at his bed.... you might get some ideas from it.

    [​IMG]
    [​IMG]
    [​IMG]


    What CAD program you using? (Solidworks 2009 here)




    Otherwise I'm just going the simple route....

    Heres my 1947 Ford bed.... for now.

    [​IMG]

    [​IMG]
     

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