The Duplex was a Canadian

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 by the United Iron Works Company, of

Montreal Montreal ( ; officially Montréal, ) is the List of the largest municipalities in Canada by population, second-most populous city in Canada and List of towns in Quebec, most populous city in the Provinces and territories of Canada, Canadian ...

in 1923. The engine was an unconventional

4-cylinder The engine configuration describes the fundamental operating principles by which internal combustion engines are categorized. Piston engines are often categorized by their cylinder layout, valves and camshafts. Wankel engines are often categorize ...

two-stroke engine A two-stroke (or two-stroke cycle) engine is a type of internal combustion engine that completes a power cycle with two strokes (up and down movements) of the piston during one power cycle, this power cycle being completed in one revolution of t ...

with two pistons per cylinder, which the makers claimed gave excellent fuel economy. The Duplex had a 110-inch wheelbase, and the proposed

tourer Touring car and tourer are both terms for open cars (i.e. cars without a fixed roof). "Touring car" is a style of open car built in the United States which seats four or more people. The style was popular from the early 1900s to the 1930s. Th ...

was priced at CDN$1750. The prototype was displayed at the 1923 Montreal Show, but there was very little interest shown, and production never eventuated.

References

Vintage vehicles Defunct motor vehicle manufacturers of Canada {{Vintage-auto-stub