The completed chain stay jig with a couple of raw stays installed. The rear dropouts are attached to the stays first. The drop outs are then clamped to the aprropriate width rear axle and the vee blocks are adjusted to suit the bottom bracket width. The entire assembly is then clamped in the vise on the milling machine and the stays are then cut to length and mitered in one operation using a hole saw that matches the diameter of the bottom bracket.
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The axle block clamp with a rear axle installed.
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The other side.
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Axle clamp riser block.
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The axle clamp installed on the riser block.
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Vee block halves and tee nut
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Top view of assembled vee block
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Bottom view of assembled vee block.
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Closeup of the bottom bracket end of the jig showing the tee slot and the center line.
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