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  1. Thread: Modern-day Miura

    by C5GTO
    Replies
    220
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    45,976

    Back to the doors

    I back burned the Miura project over the last few weeks as I was focusing on getting my GTO project car road ready. That done, Iím back to working on the Miura in between joy rides in the GTO.

    I...
  2. Thread: Modern-day Miura

    by C5GTO
    Replies
    220
    Views
    45,976

    Front Clip Substructure (cont.)

    Iím back to working on the front clip substructure. Iíve done a lot of work, made quite a bit of progress but itís not the kind of progress that comes across in pictures. Since the last progress...
  3. Thread: Modern-day Miura

    by C5GTO
    Replies
    220
    Views
    45,976

    [/COLOR] [/COLOR] I double checked the...

    [/COLOR][/INDENT][/COLOR]

    I double checked the hinge alignment and the hinge pins are both aligned. It goes to show that pictures can be deceiving sometimes. While doing this I found that the...
  4. Thread: Modern-day Miura

    by C5GTO
    Replies
    220
    Views
    45,976

    Thanks for the feedback, I'll double check hinge...

    Thanks for the feedback, I'll double check hinge alignment. I think it's most likely just the camera lens focal length causing the pictures to appear different than the actual objects due to camera...
  5. Thread: Modern-day Miura

    by C5GTO
    Replies
    220
    Views
    45,976

    Door Engineering Progress (cont)

    Hereís what I fabricated to do the door hinge relocation. For the upper hinge, Iím using long bolts that go all the way through the block. For the lower hinge, I couldnít do this given the hinge...
  6. Thread: Modern-day Miura

    by C5GTO
    Replies
    220
    Views
    45,976

    Door Engineering Progress

    The door hinge location is now sorted out and verified with a test mockup on drivers side door. As a reminder, I needed to move the door hinges outward while retaining the original door frame...
  7. Thread: Modern-day Miura

    by C5GTO
    Replies
    220
    Views
    45,976

    MacGyver: thanks for the information. It's good...

    MacGyver: thanks for the information. It's good to know the issue isn't unique to my car/situation and I'm on the right track to resolve. Yesterday, I mocked up a 2 1/4" outboard shift for the hinge...
  8. Thread: Modern-day Miura

    by C5GTO
    Replies
    220
    Views
    45,976

    Aflo: thanks for your technical insights on this...

    Aflo: thanks for your technical insights on this subject. I don't have any technical training in the area of door hinges and thus tend to engineer by trial and error. It's good to understand the...
  9. Thread: Modern-day Miura

    by C5GTO
    Replies
    220
    Views
    45,976

    Door Engineering Challenges (cont.)

    I was first referring to this topic as door design but it is not. It is really door engineering. The next challenge area in my door engineering is to ensure the front edge of the door skin doesnít...
  10. Thread: Modern-day Miura

    by C5GTO
    Replies
    220
    Views
    45,976

    Door Design Challenges

    I decided to continue fabricating the front clip rear mounting flange toward the driver side door. In order to do this, it became apparent Iíd need to determine the exact location for the front edge...
  11. Thread: Modern-day Miura

    by C5GTO
    Replies
    220
    Views
    45,976

    Don: thanks for your question. Until you asked...

    Don: thanks for your question. Until you asked it, my main consideration had been structural strength in the front clip framework and I hadn't thought about crash protection at all. After thinking...
  12. Thread: Modern-day Miura

    by C5GTO
    Replies
    220
    Views
    45,976

    Front Clip Substructure (cont.)

    Iím now extending the rear part of substructure with a flange made of .063Ē 5052 AL sheet to provide a flange to hem the hood skin over. The first step is to make cardboard templates to capture the...
  13. Thread: Modern-day Miura

    by C5GTO
    Replies
    220
    Views
    45,976

    Yes, the framework is all permanent. There will...

    Yes, the framework is all permanent. There will be very little inner skin. Given the size of the flip up front clip, I think a framework is needed for structural strength.
  14. Thread: Modern-day Miura

    by C5GTO
    Replies
    220
    Views
    45,976

    Yince: yes, I plan to add aluminum sheet to the...

    Yince: yes, I plan to add aluminum sheet to the framework in a superleggera manner such that the hood skin can be hemmed/clamped over it. I'll post pictures once I get back to working on the...
  15. Thread: Modern-day Miura

    by C5GTO
    Replies
    220
    Views
    45,976

    Front Clip Substructure (cont.)

    Iím working on the area where the front clip intersects with the windshield. My high level plan is to use a hem joint to attach the hood skin to the substructure.
    ...
  16. Thread: Modern-day Miura

    by C5GTO
    Replies
    220
    Views
    45,976

    Bob and 275NART: thanks for following!

    Bob and 275NART: thanks for following!
  17. Thread: Modern-day Miura

    by C5GTO
    Replies
    220
    Views
    45,976

    Grill Opening Hammer Form

    The front clip station buck is now all done with the completion of the grill opening hammer form. Like I predicted, this hammer form took a lot of work and thus time to finish. Itís composed of 12...
  18. Thread: Modern-day Miura

    by C5GTO
    Replies
    220
    Views
    45,976

    Front Clip Substructure (cont.)

    I started fabricating the rear part of the front clip sub-structure, the part that runs transverse to the chassis. The main consideration was to provide good mounting surfaces for the two latch pins...
  19. Thread: Modern-day Miura

    by C5GTO
    Replies
    220
    Views
    45,976

    Front Clip Substructure (cont.)

    More triangles added to the sub-structure.

    https://i.imgur.com/fqaP9HR.jpg

    https://i.imgur.com/W7UpNx0.jpg

    My objective with this triangulation is to minimize the twist when the front clip...
  20. Thread: Modern-day Miura

    by C5GTO
    Replies
    220
    Views
    45,976

    Front Clip Substructure (cont.)

    The build out on the front clip substructure continues. In books Iíve read about structural engineering, itís said that the strongest geometric shape is the triangle. So I always try to design in...
  21. Thread: Modern-day Miura

    by C5GTO
    Replies
    220
    Views
    45,976

    Station buck hammer forms

    I bumped into an old friend one day and he mentioned that he'd built himself a CNC router in his garage. Hearing this, I immediately asked him for a favor, provided him the CAD files and soon I had...
  22. Thread: Modern-day Miura

    by C5GTO
    Replies
    220
    Views
    45,976

    Front Clip Substructure

    I now have the station buck pieces that I was waiting on prior to building the front clip substructure. I needed the hood vent hammer forms to be completed so I could locate the vents that are on...
  23. Thread: Modern-day Miura

    by C5GTO
    Replies
    220
    Views
    45,976

    Door frame transformation (cont.)

    While waiting for new door glass to arrive, I decided to finish up on the driverís side door frame. The metal was trimmed so it would all fit inside the door. For the picture, I place a length of ĺĒ...
  24. Thread: Modern-day Miura

    by C5GTO
    Replies
    220
    Views
    45,976

    Happened so fast I didn't have time to get scared...

    Happened so fast I didn't have time to get scared or do anything but stare at my now empty hands.
  25. Thread: Modern-day Miura

    by C5GTO
    Replies
    220
    Views
    45,976

    Too much of a good thing

    So I was taking another look at the clearance between the now trimmed side window glass and the door latch. A thought occurred to me that if I just removed another 1/8Ē it would provide a good...
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