The Smith Flyer was an American automobile manufactured by the A.O. Smith Company in Milwaukee from 1915 until about 1919 when the manufacturing rights were sold to Briggs & Stratton and it was renamed to Briggs & Stratton Flyer. The Smith Flyer is a small, simple, lightweight, two-seat vehicle with a wooden frame that doubles as the body and as the suspension. A small gasoline engine is mounted on a fifth wheel, or motor wheel, to drive the Flyer. The wheelbase was 62 inches (1575 mm), the wheels were 20 inches (508 mm) in diameter, and the width was 30 inches (762 mm). Since the 5th wheel was directly driven by the engine, the engine was started with the driving wheel lifted slightly in the air, and then when the engine was running smoothly, the driver lowered the engine (by means of a l