Amazing SoulCraft framebuilding video!
04-12-11, 08:34 AM
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Amazing SoulCraft framebuilding video!
04-12-11, 09:09 AM
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don't try this at home.
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04-16-11, 11:01 PM
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That is great, the machinery is to drool over. That rotating spinning frame jig with foot lock, I bet old man Colnago didn't have that in the hay-days.
04-22-11, 05:59 PM
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I have a couple of Marchetti and Longe machines from the 60's. You might be surprised by the level of sophistication of historic shops. I have read that Raleigh had 600 punch press machines running at once and it took 125 operations to make a BB shell. All with a punch press. It would be interesting to see what time it took to build a Raleigh professional compared to a modern Trek top-end road bike.
I am into the older bikes for riding performance but build TIG welded aluminum frames for a living.. go figure.
If JohnDThompson or a brazer with short-run experience gets in on this, we would have a pretty good idea. From clean mitred tubes to load and tack about 10 mins (if the tubes were already fitted and the fixture was hard-tooled) . I can fully TIG weld a high-quality aluminum frame main structure in about 25 mins. I stick on all the small parts on and 'send 'em home in about 15 mins. This is not rushing either but it is say, an order of three to five.
I am not sure we have made huge progress. I am open for debate.
I am into the older bikes for riding performance but build TIG welded aluminum frames for a living.. go figure.
If JohnDThompson or a brazer with short-run experience gets in on this, we would have a pretty good idea. From clean mitred tubes to load and tack about 10 mins (if the tubes were already fitted and the fixture was hard-tooled) . I can fully TIG weld a high-quality aluminum frame main structure in about 25 mins. I stick on all the small parts on and 'send 'em home in about 15 mins. This is not rushing either but it is say, an order of three to five.
I am not sure we have made huge progress. I am open for debate.
04-23-11, 04:48 AM
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Hey Frank, you might like this video... the gazelle factory in 1925, cranking out 3 speeds by the thousands. I really love the way they braze the frame, they just dunk it in a pool of brass and file away later! What amazes me the most is the way they produced all the bits and pieces (pedals, cranks...) on site, from bar, stock and plate, unthinkable nowadays.
https://www.geschiedenis24.nl/speler....m.7086772.html
https://www.geschiedenis24.nl/speler....m.7086772.html
05-29-11, 11:45 AM
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Not good with Dutch, which link do you go to?
