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    1. Kit: Tamiya/Scale-Master, by (VIP/Sponsor) ScaleMaster is offline
      Builder Last Online: Mar 2020 Show Printable Version Email this Page
      Model Scale: 1/12 Rating:  Thanks: 0
      Started: 06-02-19 Build Revisions: Never  
      Supported Attribution Scratch Built Build in Progress

      I pulled this kit from my stash on May 5, 2019; the night we got home from the GSL.

      1997 reissue of the 1970 Tamiya Lola T-70 Mk III kit. It's been patiently waiting for 22 years in my stash to be built.
      I've been researching, planning and figuring all month. (Actually I was scheming a couple days before in case I didn't find a dream deal on another Caterham kit during the show/trip.)
      It will be built as a street car T-70 replica with some modern upgrades.


      I started by cleaning up the tub and main body panels.
      Lots of filling and sanding Lola T-70 Mk III to remove the twenty ¼ inch diameter ejection pin marks in the tub alone and general parting lines. But still a nicely molded kit considering its age.


      The insides of the body also needed to be addressed for the same issues.




      Lola T-70 Mk III
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  1. ScaleMaster's Avatar VIP/Sponsor
    Name
    Mark
    Join Date
    Nov 2012
    Posts
    714
    The half-shafts are done for now. The yokes are cast resin Lola T-70 Mk III (dyed black) copies of 3D parts.

    The shafts are brass acid treated for the dark finish.


    Each U-joint has four bearings/caps (with E clips) and they work. The half-shafts telescope too.




    Lola T-70 Mk III
    Last edited by ScaleMaster; 02-02-20 at 12:35 PM.
    Build what you want and build it for yourself, the rest will follow... - Mark D. Jones
    QUOTE QUOTE #182

  2. ScaleMaster's Avatar VIP/Sponsor
    Name
    Mark
    Join Date
    Nov 2012
    Posts
    714
    I was going to have to adjust the rotor hubs (or make shims) so I decided to mill a new one out of resin Lola T-70 Mk III stock instead of editing the 3D file and growing a replacement. This was quicker too.



    Lola T-70 Mk III
    Build what you want and build it for yourself, the rest will follow... - Mark D. Jones
    QUOTE QUOTE #183

  3. ScaleMaster's Avatar VIP/Sponsor
    Name
    Mark
    Join Date
    Nov 2012
    Posts
    714
    I designed and then grew the rotors several times over the course of a few months. The detail I want is just not something my printer can do on both sides. (One side is great.) I redesigned them adding more material so I could post-machine after growing them, but the material is too brittle when cured, and too soft and pliable before fully curing Lola T-70 Mk III . I was able to make them look really good after machining, but every one of them had micro fractures (or worse) that would show up under paint.
    The good side of them:

    The rough side of them before machining:



    Lola T-70 Mk III
    Build what you want and build it for yourself, the rest will follow... - Mark D. Jones
    QUOTE QUOTE #184

  4. ScaleMaster's Avatar VIP/Sponsor
    Name
    Mark
    Join Date
    Nov 2012
    Posts
    714
    So after way too much time and effort without acceptable results, I went back to my original plan to make the rotors before I got the 3D printer… Good old machining.

    First I milled in the rectangular vent holes around the perimeter.


    Then I cross-drilled 60 holes in each side.





    Lola T-70 Mk III
    Build what you want and build it for yourself, the rest will follow... - Mark D. Jones
    QUOTE QUOTE #185

  5. ScaleMaster's Avatar VIP/Sponsor
    Name
    Mark
    Join Date
    Nov 2012
    Posts
    714
    As satisfied I was at the time, the more I looked the more I thought I could do better… So more time on the mill and now I think I have what I want. These cross-drilled holes scale out to ¼ inch in diameter.





    Lola T-70 Mk III
    Build what you want and build it for yourself, the rest will follow... - Mark D. Jones
    QUOTE QUOTE #186

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