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-   -   Modern-day Miura (https://allmetalshaping.com/showthread.php?t=18058)

heinke 03-02-2021 10:04 PM

Gas Tank Fill
 
Now that the gas tank has been shortened, it’s time to plumb in a fill cap and tube to get fuel to the tank. I at first thought about using rubber hose to carry the fuel to the tank but this didn’t feel right for a car built mostly from aluminum. So on further thought aluminum it would be.

https://www.allmetalshaping.com/pict...ictureid=20825


https://www.allmetalshaping.com/pict...ictureid=20826

I was able to source the fill tube where the gas cap goes along with the fuel safe hose from a place that supplies these parts for utility truck conversions. The tubes were routed such that a full size spare tire still can be carried in the front of the car if I choose to.

Now the important part, the gas cap needs to be accessible through the hood vent.

https://www.allmetalshaping.com/pict...ictureid=20827

I built a stand/brace to keep the gas cap end from flopping around. It’s temporarily clamped in place for now. I’ll finish it up once the body skin and vent grill are in place so I can ensure the gas cap isn’t sitting too high.

heinke 03-16-2021 09:28 PM

Inner Door frames
 
I’ve been busy working on Miura powertrain and plumbing stuff but from time to time I’ve continued to work on the inner door frames. At the front of the door, the inner frames still needed the part next to the windshield and continuing rearward by the windshield frame.

https://www.allmetalshaping.com/pict...ictureid=20293

https://www.allmetalshaping.com/pict...ictureid=20295

The piece to fill this space has a complicated shape due to it supporting a door corner extending over the edge of windshield thus requiring a cardboard mockup in order to get it right. After a few iterations of mockup, I was able to find a way to build the frame for this area from a single piece of sheet.

https://www.allmetalshaping.com/pict...ictureid=20846

https://www.allmetalshaping.com/pict...ictureid=20847

After having an occasional weld crack at the sheet edge while metal working them, I’ve started to anneal all my TIG welds there. The weld discoloration you see near the edge in the picture above occurs during the annealing process.

https://www.allmetalshaping.com/pict...ictureid=20848

https://www.allmetalshaping.com/pict...ictureid=20850

https://www.allmetalshaping.com/pict...ictureid=20849

The inner door frames, especially the pieces just added, still need to be trimmed on the edges but I’ll let that wait until I figure out the beltline trim/seals and weld in the framework flanges adjacent on the front fenders.

123pugsy 03-17-2021 05:14 AM

That's some nice looking work there Joel.

Steve Hamilton 03-17-2021 11:44 AM

Hi Joel
more great progress!

reminds me of the old question ...... How do you eat a complete Elephant?

One bite at as time.

Looks very nice keep chewing away.

Steve

heinke 03-28-2021 01:19 PM

Door jambs – another bite from the elephant
 
Now that I have the inner door frames at the front of the door completed, it was time to finish up the associated door jambs. Here’s where I left off on the door jamb when I last worked on it.

https://www.allmetalshaping.com/pict...ictureid=20219

Not too surprisingly, the part of the door jamb needed here is the most complex due to having multiple curved channels that need to cleanly mate up with the windshield and door posts. After a couple of cardboard mockups, I chose to make it from 3 pieces.

https://www.allmetalshaping.com/pict...ictureid=20918

Pieces 1 and 2 tack welded into place.

https://www.allmetalshaping.com/pict...ictureid=20919

https://www.allmetalshaping.com/pict...ictureid=20920

Pieces 1 and 2 fully welded in place and ready for piece 3 fit up.

https://www.allmetalshaping.com/pict...ictureid=20921

https://www.allmetalshaping.com/pict...ictureid=20922

All pieces welded in place and door jamb after metal finishing.

https://www.allmetalshaping.com/pict...ictureid=20923

A view of the backside shows the complex nature of the door jamb. Most of the folds were started on the bead roller with various tipping rolls followed by hammer work on an anvil to tighten fold lines and fold angle tuning with large crescent/adjustable wrenches. Stretching was done on air power hammer and shrinking on a manual “grab-n-scrunch” machine. . Oh yeah, and lots of careful marking, cutting, and filing for close fit up on the joints.

123pugsy 03-28-2021 01:44 PM

I don't envy you for the part of the project you're working on, but your results I do.

Kerry Pinkerton 03-28-2021 03:13 PM

Really nice work!

Steve Hamilton 03-28-2021 08:51 PM

Hi Joel

Wonderful results!

I am always surprised at how long it takes to make complex parts like these.

Thanks for sharing your progress with the membership.

Steve

Gojeep 03-29-2021 04:33 AM

Complex and time consuming for sure.
Great results.

heinke 03-30-2021 10:06 AM

Quote:

Originally Posted by Steve Hamilton (Post 168079)
Hi Joel

Wonderful results!

I am always surprised at how long it takes to make complex parts like these.

Thanks for sharing your progress with the membership.

Steve

Quote:

Originally Posted by Gojeep (Post 168084)
Complex and time consuming for sure.
Great results.

You guys are right about the time consuming nature of small pieces like these. Lots of trial fitting and small tweaks to get the right shape and then filing to fit on edges to minimize the weld gaps.


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