Introduction: Carbon Fibre Wheelchair Using 3d Printed Forms and Moulds.
Plastic pieces will used as forms for Carbon Fibre Layup for knee bends in the production of a strong extremely light weight Carbon Fibre frame wheelchair, and will also be used to make other joins, such as t-joins and 90-degree bends. Since strength is in the carbon fibre, which will consist of up to eight layers at 90/45/-45/0/45/-45/90 degree layers, plus one or two layers of finish 90 degree silk or satin finish weave, the plastic does not have to be strong at all. It could actually be dissolved away after the part is made, but I will not be dissolving the plastic, as I feel it is an unnecessary and fairly toxic procedure. As much as 97% to 98% of the wheelchair will be carbon fibre, including the wheel rims, hubs, and hand rims, but the joiners will require a 3d plastic printer to realize the parts, as you can't buy good smooth bent carbon fibre pipe, and the realization of the full build would, I feel, be imposssible without a 3d plastic printer. I will use the techniques in this instructable as my main guide:
My final instructable will be as detailed and intensive as the above. My present familiarity with the Sketchup software used is only good enough to design a very preliminary modelas shown in the attached picture. But I will be studying and becoming very proficient in the use of this and other 3d CAD software in the design of my carbon Fibre wheelchair.
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