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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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    1936 Other Makes AUBURN BOAT TAIL SPEEDSTER 1936 AUBURN BOAT TAIL SPEEDSTER AMAZING CAR TWO TONE ABSOLUTELY STUNNING W@W!

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    1948 Other Makes FRESH NOSTALGIA DRAG BUILD, CUSTOM EVERYTHING, 1,000+ HP, ONE-OF-A-KIND CROSLEY

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    1931 Other Makes REO 1931 REO Flying cloud

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    1931 Other Makes Coupe 1931 Chevrolet 3 Window Coupe Streetrod

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    1928 Other Makes Peerless Sedan 1928 Peerless Sedan - Sole Survivor!

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    1933 Other Makes CT4 Triple Pumper Firetruck Fire Truck 1933 Ahrens-Fox CT4 Firetruck *$627 Per Month* Covington, KY! Unrestored!

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    1948 Other Makes Fiat 1948 FIAT 3 DOOR WOODY WAGON,HOT-RAT ROD,GASSER,4.3 V-6,9" FORD,MUSTANG FRONT,NR

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    1949 Kaiser-Frazer Deluxe Kaiser-Frazer Deluxe

    $9,995.00 (0 Bids)
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    1922 Other Makes Haynes Blue Ribbon Speedster 1922 Haynes Blue Ribbon Speedster - 1 of 3! CCCA Full Classic!

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