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Seat pan clamp now replaced with a permanent weld. This makes it feel more sturdy. Also reinforced the head-tube with a wedge just below the down-tube.
Did some amateur spray paint job on it too. Just a rear-view mirroe and it should be ready to go to the open roads now.
Remeber my Bike Problem?
Mackays kindly welded it back on for a small fee and the result is good. Although I suspect I'll want to find some green paint.
Welded wire fabric has two categories. The first category is the one used for fencing and the second category is the one used for concrete reinforcement.
Found in a vacant trade school: A 1942 Jam Handy instructional filmstrip on the delicate art of welding aluminum tubes.
Exothermic welding, also called hot melt welding, fire-clay welding, thermite welding and explosion welding, is a high-heat principle that utilizes the redox reaction between metals, the operation of which is simple, easy to learn, safe and efficient, and it has significant results in the production of high quality permanent welded joints between homogeneous metals and metals of different materials and is now well known to the public, becoming more popular in more and more architectural designs, and widely required to replace the connection method using conventional metal fixtures.
Exothermic welding requires high-quality graphite to form a cavity mold with a certain shape, such as line style (butt), T-joint (three-way), cross-type joint (four-way) and so on. The mold can be used multiple times, effectively saving costs.
Found in a vacant trade school: A 1942 Jam Handy instructional filmstrip on the delicate art of welding aluminum tubes.