The Hammer-Sommer was an

automobile A car or automobile is a motor vehicle with Wheel, wheels. Most definitions of ''cars'' say that they run primarily on roads, Car seat, seat one to eight people, have four wheels, and mainly transport private transport#Personal transport, pe ...

built in

Detroit Detroit ( , ; , ) is the largest city in the U.S. state of Michigan. It is also the largest U.S. city on the United States–Canada border, and the seat of government of Wayne County. The City of Detroit had a population of 639,111 at th ...

Michigan Michigan () is a state in the Great Lakes region of the upper Midwestern United States. With a population of nearly 10.12 million and an area of nearly , Michigan is the 10th-largest state by population, the 11th-largest by area, and the ...

by the Hammer-Sommer Auto Carriage Company Ltd. from 1902 to 1904. The Hammer-Sommer came only as a five-seater, detachable

tonneau A tonneau ( or ) is an area of a car or truck open at the top. It can be for passengers or cargo. A tonneau cover in current automotive terminology is a hard or soft cover that spans the back of a pickup truck to protect the load or to improve ...

model. The vehicle came equipped with a 12 hp opposed two-cylinder engine, mounted beneath the body, and had a

planetary transmission An epicyclic gear train (also known as a planetary gearset) consists of two gears mounted so that the center of one gear revolves around the center of the other. A carrier connects the centers of the two gears and rotates the planet and sun gea ...

. The company claimed the vehicle would reach . The company was eventually split separately into the Hammer and Sommers companies.

References

* Defunct motor vehicle manufacturers of the United States Motor vehicle manufacturers based in Michigan Cars powered by boxer engines Defunct companies based in Michigan {{Veteran-auto-stub