Instead of machining a new coupling from scratch, we decided to weld the shaft directly to the spinning plate.
But with amperage dropping over the length of the long extension cords feeding our area, we needed to move closer to the generator to empower our suitcase welder.
So we dismantled the bull and carried the parts and suitcase welder across the grounds and got on with it, using whatever we could find around to shim the parts into a “perfectly” perpendicular position. (Photo above and below by Colin Butgereit)
It rained briefly, but we quickly covered the bulls in plastic and didn’t mind the wet bouncy safety mat too much. Once the skies cleared and we checked nothing electrical was damaged or shorted out, the show went on. And my camera dried off and works fine.
In the end the bulls hosted many happy (and some terrified) riders, with intermittent fixes and battery cooldown periods. And we were awarded two blue ribbons, thanks Sherry and Kipp! (Above photo by gluetree on Flickr)
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Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.