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The Rotary Automobile & The Rotary Motor Vehicle Co.

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Rotary
The Rotary Motor Vehicle Co.
Boston, MI
1904-1905

The Rotary and sometime known as the Intrepid was a American Automobile with a strange engine with two crankshafts, two connecting rods and one piston. Despite the name the Rotary engine it was not a revoling engine.

The Boston, MA based Rotary Motor Vehicle Co. was built in 1904 and 1905.

The Rotary automobile was produced as a Roadster only. The company specialized in boat engines, but they got into the automobile business with their strange and unorthodox one cylinder eight horsepower engine.

1904 Rotary Roadster
1904 Rotary Roadster

The Rotary engine was claimed to be completely vibrationless and was entirely different from other engines of 1904 and 1905. Two cylinders and one crankshaft was the accepted theory for engine construction. However the Rotary produced an engine that worked very well with two crankshafts. The crankshafts were contra-rotating, weighted and each had a piston rod. Perfect synchronization was necessary in order to produce smoth easy power.

1904 Rotary Engine
1904 Rotary Engine

1909 American Automobile
1909 American Automobile

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    Other Makes: Ford Custom 1946 ford 2 dr coupe 390 v 8 auto custom chopped top project

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    Other Makes: 306 1949 diamond t 306

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    Other Makes SERIES 12 1921 le zebre type d series 12 roadster right side driver a rare find

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    Other Makes: Crosley sedan 2 door 1947 crosley sedan

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    Other Makes Super Six 1947 hudson super six 2 door 38 000 orginal miles

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    Other Makes 1910 flanders horseless carriage

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    Other Makes: 2 DOOR SUPER 6 ESSEX SUPER SIX 2 DOOR SUPER 6 SEDAN 1926 essex 2 door 49.000 mi 2 door super 6 all original stored inside since 1961

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    Other Makes Yes 1941 graham hollywood super charged very rare car one of 12 in known

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    Other Makes: CT4 Triple Pumper Firetruck Fire Truck 1933 ahrens fox ct 4 firetruck delivered new to covington ky unrestored

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