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Thursday, July 7, 2011

Building a new bike, part 6

Finally I've started on the seat. I used the plans to make a full scale (2 x A3 pages) drawing of the main seat frame tubes. This took a couple of goes, the first plot wasn't to scale so I had to rescale the border and replot. Tonight I bent up the tubes, heating them with an oxy-acetylene set to red hot and confining the walls before bending. As well, the tubes were drilled in a few spots, these holes are pilot holes for the "ladder rungs" that will be the main structure of the frame. Still some brazing, drilling and carpentry on the seat to go!

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