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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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    Early American Automobiles For Sale

    1941 Other Makes AK 3/4 Ton City Delivery Truck 1941 Chevrolet Model AK 3/4 Ton City Delivery Truck, Completed in Shell Oil

    $34,900.00
    End Date: Friday Dec-23-2016 14:30:00 PST
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    1936 Other Makes VERY RARE HUPMOBILE, ALL-STEEL, HIGHLY ORIGINAL, CAN'T FIND ANOTHER AT THIS $$!!

    $37,995.00
    End Date: Tuesday Jan-3-2017 2:04:39 PST
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    1928 Hupmobile 2 dr. 6 Cyl. 28 Hupmobile Model A Classic Show 6 Cylinder Car 2 Door WMS

    $9,900.00
    End Date: Wednesday Dec-21-2016 6:20:54 PST
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    1941 Graham Hollywood S N/A 1941 Graham Hollywood S

    $70,000.00
    End Date: Tuesday Dec-20-2016 15:21:35 PST
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    1930 GRAHAM PAGE-615 FIRST SERIES N/A 1930 GRAHAM PAGE-615 FIRST SERIES 43,200 Miles Green

    $200.00 (0 Bids)
    End Date: Thursday Dec-15-2016 7:00:14 PST
    Buy It Now for only: $15,000.00
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    1935 Other Makes Buddy 40H V-Cab 40h V-Cab 1935 Stewart "Buddy Stewart" 40H V-Cab Pickup

    $38,900.00
    End Date: Thursday Dec-22-2016 15:15:00 PST
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    1928 Elcar Sedan 8 cylinder 1928 Elcar Antique Car Needs Restoration Rare Vintage Model

    $5,875.00 (3 Bids)
    End Date: Saturday Dec-10-2016 13:35:48 PST
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    1940 Powerhorse Tractor 1940 Powerhorse Tractor 0 Orange/Cream Tractor Manual

    $23,000.00
    End Date: Monday Dec-12-2016 13:26:33 PST
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    1916 Overland Model 86 N/A 1916 Overland Model 86 0 Green Car Inline 6 Cylinder 3-Speed Manual

    $24,995.00
    End Date: Saturday Dec-17-2016 12:38:09 PST
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