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cylinder wings 5 serving to assist in lifting the machine and the propeller 10 drivign the same forward. If the engine is mounted so as to rotate in a vertical plane its drive 5 shaft 6 may also serve as the propeller shaft. The wings 5 serving to assist the propeller 10 in driving the machine forward. How- ever the engine may be mounted it will serve as a gyroscope and tend to maintain 10 the equilibrium of the machine and prevent the same from capsizing, thus performing the function of a stabilizer. What I claim is: 1. In a device of the character described 16 the combination with an aeroplane frame, of a motor carried thereby and bodily rotatable .relative thereto, a plurality of cylinders car- ried by the motor and radiating therefrom, lengthwise blades carried by the cylinders 20 and extending laterally therefrom at an angle of inclination to the plane of cylinder
rotation, and a propeller rotatably mounted upon said frame and having operative con- nection with the motor. 2. In a device of the character described, 25 the combination with an aeroplane frame, of a motor carried thereby and bodily rotatable relative thereto, a plurality of cylinders car- ried by the motor, and radiating therefrom, lengthwise blades carried by the cylinders 30 and extending laterally therefrom, and a propeller rotatably mounted on said frame and having an operative connection with the motor. In testimony whereof I have signed my 35 name to this specification in the presence of two subscribing witnesses. HARRY R. DECKER. Witnesses: J. W. YEAGLEY, E. TRUERBECK.