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We have designed three different lever systems with the current-final lever presented here.
!prototype1.JPG! There are a number of constraints in the design of this lever arm. First, we need to facilitate a way to attach the floats and counter-weight. Secondly, we must have a way to adjust the distance the orifice travels down the arm. It was also requested that the operators be given a means to manually "shut off" the flow. This can be accomplished by moving the orifice directly in line with the pivot. We have also attempted to accommodate a second slide to facilitate attaching a second dosing pH control system. It is preferred to both slides on the same side of the lever to allow the operator easier access.
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A material list is being created which lists each of these components, part number, quantity, catalog page number, price and associated fasteners. This material list needs to be updated to reflect our most recent design once this design has been approved by all members of the team. Also, in creating this list we found that some of our selected components were disproportionately expensive and modifications are being done to the frame to accommodate less expensive brackets. These are small modifications and the design is near ready to be sent out for pricing and the components will be ordered. Upon arrival of the parts, we will be able to build our full scale model, attach the hydraulic components and begin testing.
BLah - ignore the stuff written below, it's part of the template
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