THE LIFTING POWER OF A SCREW PROPELLER FOR AERONAUTICAL WORK. DIAGRAM SHOWING METHOD OF INSTRUMENTAL WORK IN BUILDING TUNNEL ON CURVE. The Second Experimental Apparatus Which Was Propelled by a 1% Horse Power Gasoline Motor. The Aeronautical Experimenters Grouped Around Their Second Apparatus. The Final Apparatus Which Driven by a 10-Horse-Power Electric Motor Raised 220 Pounds. THE LIFTING POWER OF A SCREW PROPELLER FOR AERONAUTICAL WORK. Aeronaut Louis Goddard Pedaling the First Experimental Six-Bladed Propeller with Which a Lift of 6.6 Pounds Was Obtained., scientific american, 1905-12-09
Keywords:
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