As the design continues to develop I’m investigating the possibility of making a micro version of the positive displacement pump. I plan to make the housing of the pump circular as opposed to square so it can fit inside a bus stop pole if it were laying flat. The manufacturing process would be quite similar to the pump seen in the final concept presentation, with the exception of smaller bearings on the ends of the windmill arms and possibly some skinnier tubing. I believe the friction will be substantially less with the smaller sized pump plus we have identified high friction areas that would be addressed with the new design. So using the step motor will again be considered.
We would like to combine some of the elements each person presented in the concept presentation. A large scale sculpture/timetable/map where all the bus lines are represented by clear tubes and the buses by the water slowly draining down these tubes, is one idea that we have played with. I think before we proceed any further into the design process a clear context needs to be established, as there is a lot of difference between the bus stop at the Cultural Center and the stop two minutes from your front door.
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