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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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    1934 Other Makes 1934 PIERCE-ARROW 836A, BELIEVED JUST 2 OWNERS! RESTORED, GORGEOUS PRE-WAR CAR!

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    1949 Other Makes SALOON 1949 JAGUAR BARN FIND SURVIVOR MARK 5 1949 JAGUAR SALOON 48 50 51 52

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    1911 Other Makes EMF Model 30 Speedster 1911 EMF Model 30 Speedster

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    1941 Hudson Six Deluxe 1941 hudson

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    1937 Ford Peretto Brothers Custom Convertible 1937 Ford Custom 1951 Oakland Roadster Show Winner !! George Barris

    $16,900.00 (2 Bids)
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    1931 Other Makes Stutz Pak-age-car delivery truck van 1931 stutz Pak-age-car

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    1937 Alvis Speed 25 -- 1937 Alvis Speed 25 94,085 Miles White Crested Eagle 19.82 SC Manual

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    1909 Kelsey MOTORETTE delux 1909 KELSEY MOTORETTE VERY RARE

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    1940 Powerhorse Tractor -- 1940 Powerhorse Tractor Tractor Manual

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