After several failed attempts to drill, solder, and otherwise mangle a bicycle sprocket, I finally gave up. Those things are tough! Fortunately, I was able to come up with a method of mounting a sprocket on a spindle by clamping it between bits of steel - no mangling required. Three holes will be drilled into each gear blank, one in the center for mounting on the spindle, and two to accept the machine screws of the sprocket assembly so that the gear blank turns with the sprocket.
Sunday, January 29, 2006
sprocket on a stick
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