Marine Engine Collection of Mystic Seaport
Motor-Sachs-Wankel Mac - 10 Sachs
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Engine Builder: Fichtel & Sachs, Germany Model: Mac - 10 Sachs Make: Motor-Sachs-Wankel Inboard/Outboard: Outboard Engine Type: Gasoline Production Date: Late 1960's to 1970's Engine Design: Other Overall Condition: Good Rebuilt/Restored: Untouched Horsepower: 9 (about) Cylinders: none Bore: N/A Stoke: N/A Coolant: Air & Water Accession:MiscOtbd 41 Remarks: Donated on 8/17/08. Engine states "Made in Italy". Propellor not installed but tied to lower unit. Engine turns over freely. Generator provides 6 volts/17 watts for running lights or battery charging. Engine is a rotary piston Wankel. Fuel is SAE 30 oil mixed with gasoline (50:1 ratio). Uses about 1/2 gallon fuel per hour at medium load. Engine cooling is by forced air from a finned flywheel, shaft cooling is by forced water traveling up a tube aft of the propeller. Engine weight is 77 pounds, speeds up to 25 mph, (RPM: 4400-4800) Operation and Maintenance Instructions and Parts List (dated 1973) are in engine file. Engine has a Bing carburetor and a Bosch flywheel magneto.
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