Darrell Markewitz is a professional blacksmith who specializes in the Viking Age. He designed the living History program for L'Anse aux Meadows NHSC (Parks Canada) and worked on a number of major international exhibits. A recent passion is experimental iron smelting. 'Hammered Out Bits' focuses primarily on IRON and the VIKING AGE
Thursday, June 25, 2009
Cold Forming Reversal Curves - on YouTube
Work on the Reade / Maxwell project continues...
This sequence was shot as I made up the last of the 'undertow' elements.
Each of the curves is formed of a length of 1 1/2 x 3/16 inch flat bar. Depending on the element, the starting pieces range from 5 1/2 to as much as 15 feet long! For that reason alone, the sweeping curves are shaped COLD, using a metal bending machine (purchased specifically for this project).
The total elapsed time to form just the main body of one of the larger elements ranged from 45 to 30 minutes. For this video segment, I filmed the process as I worked, and then did some edit magic to speed up the film to about 2 x speed for the bulk of the process.
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