Matches in DBpedia 2015-10 for { ?s ?p "Gyro Motor Company was an American aircraft engine manufacturer.The Gyro motor company was formed in 1909 by Emile Berliner to pursue production of rotary engines. His designs were improvements of the Addams-Farwell rotary engine Berliner used in early helicopter experiments. The engines at the time of his 1901 experiments were 20 lbs per hp. Addams-Farwell built a custom engine that weighed 3-4 lb per hp."@en }
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- Gyro_Motor_Company comment "Gyro Motor Company was an American aircraft engine manufacturer.The Gyro motor company was formed in 1909 by Emile Berliner to pursue production of rotary engines. His designs were improvements of the Addams-Farwell rotary engine Berliner used in early helicopter experiments. The engines at the time of his 1901 experiments were 20 lbs per hp. Addams-Farwell built a custom engine that weighed 3-4 lb per hp.".