While testing the chair, I immediately noticed problems with the design of the pushrim. As I rolled, I would continuously get my fingers caught in the attachment rods. The stainless steel material was also slippery when my hands were sweaty, giving me less control over the chair.
The redesigned pushrim is a more ergonomic form that eliminates any connection gaps that might trap fingers. It would be extruded in a rubberized silicon which would allow for better grip. An anodized steel "crash guard" is inserted on the outside to protect the rim from the abuse of the park.
I also modeled the single spoke wheel design for this rendering. If created in carbon fiber, the wheel could be tuned to for the right rigidity and strength to make the design possible. There would have to be some counterweighting done throughout the rim to even out the weight distribution, but the design would result in a lightweight, unique aesthetic, that allowed for easy access to under the chair.
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