The Sweany was a most original steam car driven by four small 3 hp single-cylinder engines acting directly on each wheel. Steam at 150 psi was provided by a single water-tube magnesia-lined boiler mounted at the front of the car. Hardly surprisingly, it never went into production.[1]
[1]Georgano, G. N., Encyclopedia of American Automobiles, (New York, E. P. Dutton & Co., 1968), p. 193.