I made drop outs from iron sheet which thickness is 6 mm.
At first, cut them, then drilling.
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I use metal lathe to drill.
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These drop outs for single gear.
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The slots were made with handy disk grinder.
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Next, I cut two plate, then drilled and tapped at the center.
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The rectangular was cut.
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Then, the plate to attach rod end was welded to center frame.
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Mig welding machine was used.
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Fini.
At first, cut them, then drilling.

I use metal lathe to drill.

These drop outs for single gear.

The slots were made with handy disk grinder.

Next, I cut two plate, then drilled and tapped at the center.
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The rectangular was cut.
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Then, the plate to attach rod end was welded to center frame.
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Mig welding machine was used.
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Fini.