There is already much being done for recumbents so my focus is on the more common upright. The small tired folding bikes would use a similar shell. The wheel base of 41 in. for an adult bike is typical. The weight would need to be around 6 lb and cost of materials to be under $100 USD. The shell would be from the rider's shoulder to the upper calf. The overall length would be about 60 in. I started this originally as a middle school student project. Wheel treatments would be a disc in the rear and faired spokes on the front. The bike pictured has the same coast down speed as the naked bike.
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