Henry Ford family sole ownership of the company. By the mid-1920s, sales of the Model T began to decline due to rising competition. Other auto makers offered payment plans through which consumers could buy their cars, which usually included more modern mechanical features and styling not available with the Model T. Despite urgings from Edsel, Henry refused to incorporate new features into the Model T or to form a customer credit plan. By 1926, flagging sales of the Model T finally convinced Ford to make a new model. He pursued the project with a great deal of technical expertise in design of
Ford Model N roadster, like the R, had fenders attached to running boards, and a mechanical oiler. Differences from the R included Model N-style 28-inch tires and the pointed trunk. The Model S Roadster was based on the same chassis as models N, R, and S runabout before it. Making its appearance during Ford fiscal/model year 1908, the S Roadster had an enclosed cowl, full fenders and fender aprons, and a third "rumble" seat. Like R and S runabouts, the SR used a McCord pressure oiler. Like Model R, the S Roadster was equipped with 30-inch tires. The S Roadster and Model K