160 miles per Gallon - Smith Flyer a single driving wheel car
Toyota Commemorative Museum of Industry and Technology
http://www.tcmit.org/english/
Smith Flyer Cyclecar
The A. O. Smith Co.
Milwaukee, WI
1917-1920
https://www.american-automobiles.com/...
The Smith Flyer was an American made Cyclecar produced by A. O. Smith Co. in Milwaukee, WI from 1917 to 1920 and later by Briggs & Stratton. The Flyer had a body made of hard wood slats that from a distance you might easily mistake it for a kids pedal car. If fact it wasn't much larger than a kids pedal car. However, it had twin bucket seats and a breezy open air design.
Besides its buckboard body, the Flyer was distinguished by having five wheels on the ground. The fifth wheel supplied the power and was called the Smith Motor Wheel.
https://www.american-automobiles.com/...
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Smith Flyer A single driving wheel car