| therunwaybehind | -- 05-15-2019 @ 9:04 AM |
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I originally got my early Ford because it had a rivetted frame. I trusted rivets but had heard bad things about welds, including porosity and cold beads. Then I looked at the radius rods on my car and saw what looked like welds. How about the body and how it is joined to the substructure? Do you see spot welds? My room mates in my senior and junior year were technicians at the Engineering Mechanics Laboratory at the University of Michigan where they had surplus dynamic testing machines and big DC and AC welding machines. for teaching purposes. Does every one need to get several of those decals from their Peterbilt dealer that say, "Do Not Weld"? Russian glue welding on the Tu-154 is old but not inviting. Friction stir welding on the Eclipse executive jet did not take the market by storm. OK, maybe diffusion bonding on the 737 went on. Bridges, skyscr*pers and ships have left rivets behind while locomotive boilers had stays, not what look like rivets from the outside. I respect braze welding of lugs on chrome-moly thin wall tubing and can't fight off Japanese MIG welding machines that has led to robots for car bodies. My cousins insisted I stick weld a broken bracket on a Cuckler on a steel pole barn I helped them diagonalize. I took a course in acetylene welding from an old pipeline welder and met in the airport with the technology specialist who used nuclear magnetic resonance to inspect all of the Alaskan Pipeline welds before it flowed oil. Now that 1949-53 Ford products are in the club can I relax my guard? Eutectics is for piston alloy and not just welding cracked cast iron, right?
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| 37RAGTOPMAN | -- 05-17-2019 @ 8:06 AM |
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hi rivets flex,, welds create cracks, joints cannot flex, cars and trucks have riveted chassis's are still be riveted, today, why mess with what works, my 2 cents 37 RAGTOPMAN
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